At the A1 level, you don't need to use the word 'مشترکا' (moshtarakan) yet, as it is quite formal. Instead, you use the simple word 'با هم' (ba ham), which means 'together.' For example, instead of saying 'We jointly own a house,' an A1 learner would say 'ما با هم یک خانه داریم' (We have a house together). The word 'مشترکا' is like the English word 'jointly'—it's a bit too complex for a beginner who is just learning how to say 'I go' or 'You eat.' However, it's good to know that it comes from the idea of 'sharing.' If you see the word 'مشترک' (moshtarak) on a Wi-Fi sign or a bank account, it means 'shared.' But as an adverb, 'مشترکا' is something you will learn more about as you get better at Persian. For now, focus on 'با هم' for all your 'together' needs!
At the A2 level, you are starting to see more formal words in news headlines or simple stories. You might encounter 'مشترکا' in a sentence like 'They jointly worked on a project.' While you should still mostly use 'با هم' in your own speaking, you can start to recognize 'مشترکا' as a formal way of saying 'together.' Notice the 'an' sound at the end—this is a special way Persian makes adverbs from Arabic words. You might see it in phrases like 'مشترکا تصمیم گرفتند' (They jointly decided). This word is very common when talking about two people doing one thing together, like two students writing one homework assignment. It helps you sound a little more serious and professional when you are talking about work or school projects.
As a B1 learner, you are moving into intermediate Persian where register (formality) becomes important. 'مشترکا' is a great word to add to your vocabulary to distinguish between casual 'togetherness' and professional 'collaboration.' You should use 'مشترکا' when writing formal emails, reports, or discussing news. For example, if you are describing how two companies collaborated, 'مشترکا' is much better than 'با هم.' It shows that you understand the formal grammar of Persian. You should also be careful not to confuse it with the adjective 'مشترک.' Remember: 'مشترک' describes a thing (a shared goal), while 'مشترکا' describes an action (acting jointly). Start practicing this word in your writing to elevate your level from basic to intermediate.
At the B2 level, 'مشترکا' is a word you are expected to use accurately and naturally. This is the target level for this word. You should understand its legal and professional implications. For instance, in a business context, 'مشترکا' implies a partnership or a joint venture. You should be able to use it with a variety of compound verbs like 'سرمایه‌گذاری کردن' (to invest) or 'مدیریت کردن' (to manage). You also need to distinguish it from similar adverbs like 'متفقا' (unanimously) or 'تضامنا' (jointly and severally). At this level, you should also be comfortable hearing this word in fast-paced news broadcasts or reading it in academic articles without hesitation. It is a key tool for describing complex social and professional interactions in a precise manner.
For C1 learners, 'مشترکا' is a basic part of your formal repertoire. You should focus on its nuances in high-level literature, legal codes, and diplomatic language. You might explore how 'مشترکا' is used in the Iranian Civil Code to define property rights or how it appears in historical treaties. At this level, you should also be aware of the stylistic choices between using 'مشترکا' and the prepositional phrase 'به طور مشترک.' A C1 speaker uses these variations to create rhythm and emphasis in their prose. You should also be able to use the word metaphorically in philosophical or abstract discussions about human cooperation. Your mastery should be such that you can explain the subtle difference between 'acting jointly' and 'acting in unison' using 'مشترکا' versus 'هماهنگ'.
At the C2 level, you have a native-like grasp of 'مشترکا.' You understand its etymological roots in Arabic and how the 'tanvin' suffix functions across the entire Persian adverbial system. You can use 'مشترکا' in the most complex sentence structures, including those with multiple clauses and intricate verbal dependencies. You are sensitive to the historical shifts in how collaborative actions have been described in Persian literature, from classical texts to modern legal jargon. For a C2 learner, 'مشترکا' is not just a vocabulary word; it is a precise instrument used to delineate responsibility, ownership, and agency in the most sophisticated academic and professional contexts. You can effortlessly switch between 'مشترکا', 'متضامنا', and 'بالاشتراک' depending on the specific legal or poetic requirement of the text.

مشترکا in 30 Seconds

  • A formal adverb meaning 'jointly' or 'collectively'.
  • Derived from Arabic root 'sh-r-k' with the 'tanvin' suffix.
  • Used in legal, professional, and academic contexts.
  • Indicates shared responsibility, ownership, or collaborative action.

The Persian word مشترکا (pronounced as moshtarakan) is a sophisticated adverb that functions as a cornerstone for describing collaborative actions, shared responsibilities, and joint ventures. At its core, it translates to 'jointly,' 'collectively,' or 'in conjunction with.' Derived from the Arabic root sh-r-k (ش-ر-ک), which pertains to sharing or partnership, the addition of the tanvin suffix (اً) transforms the adjective 'moshtarak' (common/shared) into a formal adverb of manner. In the linguistic landscape of modern Persian, this word is predominantly employed in formal, legal, academic, and professional contexts to indicate that an action was not performed in isolation but rather through a unified effort of two or more parties.

Grammatical Category
Adverb of Manner (قید حالت). It describes how an action is performed—specifically, that it is done in partnership.
Register
Formal and Literary. While you might use 'با هم' (together) in a casual conversation about going to the park, you use 'مشترکا' when discussing a business contract, a scientific research paper, or a diplomatic agreement.

این دو شرکت مشترکا روی پروژه جدید کار می‌کنند.

Translation: These two companies are jointly working on the new project.

Understanding the nuance of 'مشترکا' requires recognizing the difference between mere physical togetherness and functional collaboration. When a group of people acts 'مشترکا', there is usually a shared goal, a shared liability, or a shared ownership involved. In legal documents, if two people are 'مشترکا' responsible for a debt, it implies a specific type of joint liability where both are equally accountable. This precision makes the word indispensable in administrative Persian. Furthermore, the word carries a sense of equality; it suggests that the parties involved are participating on somewhat equal footing, contributing to a single outcome.

بیانیه مشترکا توسط هر دو وزیر امضا شد.

Translation: The statement was jointly signed by both ministers.
Morphology
Root: ش-ر-ک (Sharing) -> مشترک (Common/Shared) + اً (Adverbial suffix) = مشترکاً.

In academic writing, 'مشترکا' is frequently used to credit co-authors or to describe phenomena that result from the interaction of multiple factors. For example, 'The results were jointly analyzed by the teams.' In this context, it elevates the tone of the sentence, providing a level of professional gravity that the simpler 'با هم' lacks. It is also important to note that 'مشترکا' often appears in the context of 'shared accounts' (حساب‌های مشترک) or 'joint ownership' (مالکیت مشترک), though in those specific noun phrases, the adjective form 'مشترک' is used. The adverbial form 'مشترکا' specifically modifies the action—the owning, the signing, the deciding, or the working.

آن‌ها مشترکا تصمیم گرفتند که خانه را بفروشند.

Translation: They jointly decided to sell the house.

Using 'مشترکا' correctly involves placing it within a sentence structure that emphasizes the collaborative nature of the verb. As an adverb, its position is relatively flexible in Persian, but it most commonly appears before the verb or immediately after the subject(s) to emphasize who is doing the sharing. Because it is a formal word, the surrounding vocabulary should ideally match its register. You wouldn't typically use 'مشترکا' alongside heavy slang or very informal verb contractions.

Sentence Position 1: Before the Verb
This is the most standard placement. Example: ما این مسئولیت را مشترکا می‌پذیریم (We jointly accept this responsibility).
Sentence Position 2: After the Subject
This emphasizes the union of the subjects. Example: دولت و بخش خصوصی مشترکا در این طرح سرمایه‌گذاری کردند (The government and the private sector jointly invested in this plan).

هر دو نویسنده مشترکا جایزه نوبل را دریافت کردند.

Translation: Both authors jointly received the Nobel Prize.

One of the key grammatical features of 'مشترکا' is that it can modify complex verbs (compound verbs). In Persian, many actions are expressed as a noun/adjective plus a helper verb (like 'کردن' or 'گرفتن'). 'مشترکا' usually sits just before this entire verbal unit. For instance, in 'تصمیم گرفتن' (to decide), 'مشترکا' would precede 'تصمیم'. However, in very formal writing, it might even split the compound verb, though this is less common. It is also frequently paired with words related to ownership, responsibility, and action, such as 'مالک بودن' (to own), 'انجام دادن' (to perform), and 'مدیریت کردن' (to manage).

والدین باید مشترکا برای آینده فرزندشان برنامه‌ریزی کنند.

Translation: Parents must jointly plan for their child's future.

Another advanced usage is found in passive constructions. 'این گزارش مشترکا تهیه شده است' (This report has been jointly prepared). Here, the adverb emphasizes the collaborative process behind the creation of the object. It highlights that no single individual can claim sole authorship or responsibility. This usage is extremely common in international relations, where joint communiqués are 'مشترکا' issued by multiple nations. The word serves as a linguistic bridge, connecting distinct entities into a single functional unit for the duration of the action described.

کشورهای همسایه مشترکا از مرزها حفاظت می‌کنند.

Translation: Neighboring countries jointly protect the borders.
Common Verbs used with مشترکا
تصمیم گرفتن (to decide), مالک بودن (to own), عمل کردن (to act), استفاده کردن (to use), امضا کردن (to sign).

In the real world, you are most likely to encounter 'مشترکا' in environments where precision and formality are paramount. This is not a word you will hear shouted in a bustling bazaar or used by children on a playground. Instead, it lives in the realms of law, business, news media, and academia. If you tune into a Persian news broadcast like IRINN or BBC Persian, you will hear it frequently during segments on international diplomacy. For example, 'The two presidents jointly emphasized the need for peace.' The word provides a sense of officialdom and mutual agreement that is essential for diplomatic reporting.

بانک‌ها مشترکا سیستمی برای امنیت تراکنش‌ها طراحی کردند.

Translation: The banks jointly designed a system for transaction security.

In the legal sphere, 'مشترکا' is a technical term. When a lawyer drafts a contract for a joint venture, the word is used to define 'Joint and Several Liability' (مسئولیت تضامنی و مشترک). If you are buying property in Iran with a spouse or business partner, the deed might state that the property is held 'مشترکا'. Hearing this word in a legal consultation signals that the rights and obligations are shared. It is also common in the world of non-governmental organizations (NGOs) and international aid. When UNICEF and the World Health Organization launch a campaign, they do so 'مشترکا'.

University lectures and academic seminars are another prime location for this word. A professor might discuss how different biological factors 'مشترکا' contribute to a specific disease. In this context, it implies a synergistic effect—where the whole is greater than the sum of its parts. Similarly, in history books, you might read about how different tribes 'مشترکا' fought against an invader. The word emphasizes the alliance and the unified front. Even in high-end culinary descriptions, you might hear about how different flavors 'مشترکا' create a unique profile, though this is a more metaphorical and poetic use of the term.

این مقاله مشترکا توسط اساتید دانشگاه تهران و شیراز نوشته شده است.

Translation: This article was jointly written by professors from the University of Tehran and Shiraz.
News Context
Used for joint military drills, joint press conferences, and joint economic summits.
Business Context
Used for shared equity, joint marketing campaigns, and shared office spaces.

One of the most frequent mistakes learners make is confusing the adverb 'مشترکا' with the adjective 'مشترک'. While they share the same root, their grammatical functions are distinct. 'مشترک' (moshtarak) means 'common' or 'shared' and is used to describe a noun (e.g., 'هدف مشترک' - common goal). 'مشترکا' (moshtarakan) is an adverb and must modify a verb. You cannot say 'ما یک خانه مشترکا داریم' to mean 'We have a shared house' in a way that sounds natural; instead, you would say 'ما یک خانه مشترک داریم' or 'ما مشترکا مالک یک خانه هستیم' (We jointly own a house).

Incorrect: ما این غذا را مشترک خوردیم.
Correct: ما این غذا را مشترکا خوردیم (or more naturally, 'شریکی').

Another mistake involves register mismatch. Because 'مشترکا' is a high-register word, using it in very casual settings can sound overly stiff or even sarcastic. For instance, telling a friend 'Let's jointly go to the cinema' (بیایید مشترکا به سینما برویم) sounds bizarre. In such cases, 'با هم' (together) is the correct choice. Learners often over-rely on 'tanvin' adverbs because they feel more 'authentic' or 'advanced,' but the key to fluency is knowing when to use the simple word versus the formal one. Using 'مشترکا' for simple daily tasks is a classic 'over-formalization' error.

Finally, there is the confusion between 'مشترکا' and 'متفقا'. While both mean doing something together, 'متفقا' (mottafeghan) specifically implies 'unanimously' or 'with one voice.' You might 'مشترکا' own a car even if you disagree on what color to paint it, but you 'متفقا' decided to buy it. 'مشترکا' focuses on the action of sharing the process or the state, whereas 'متفقا' focuses on the harmony of the decision-making. Misusing these can lead to a lack of precision in formal Persian writing, especially in legal or political contexts where the difference between 'joint action' and 'unanimous agreement' is significant.

Mistake: Wrong Suffix
Using 'مشترکانه' instead of 'مشترکا'. While '-ane' is a Persian adverbial suffix, it is not used with this specific Arabic root in this way. Stick to 'مشترکا'.

Incorrect: آن‌ها به طور مشترکا کار کردند.
Correct: آن‌ها مشترکا کار کردند (or 'به طور مشترک').

To truly master 'مشترکا', one must understand its place within a family of words that describe 'togetherness.' The most common synonym is 'با هم' (ba ham). While 'ba ham' is universal and can be used in any situation, 'مشترکا' is its formal, professional cousin. If 'ba ham' is a t-shirt, 'مشترکا' is a tailored suit. Another close relative is 'به طور مشترک' (be tore moshtarak). This phrase is virtually identical in meaning to 'مشترکا' and is often used interchangeably in formal writing to avoid repetition or to fit a specific rhythmic flow in a sentence.

مشترکا vs. شریکی
'شریکی' (shariki) is the colloquial version. You use 'shariki' when sharing a taxi or a bowl of soup with a friend. You use 'مشترکا' when two corporations share the costs of a satellite launch.
مشترکا vs. دسته جمعی
'دسته جمعی' (daste jam'i) means 'as a group' or 'collectively.' It implies a larger number of people acting as a crowd or a team. 'مشترکا' often implies a more structured partnership, frequently between just two parties.

ما مشترکا مسئولیت را بر عهده گرفتیم.

Translation: We jointly took on the responsibility.

Other alternatives include 'متفقا' (unanimously) and 'همگام' (in step/synchronously). 'همگام' is more metaphorical and often used in the context of 'moving forward together' or 'keeping pace with someone.' For example, 'Moving forward in step with global technology.' In contrast, 'مشترکا' is more functional and administrative. In legal settings, you might also see 'تضامنا' (tazammanan), which specifically refers to joint liability where each party is responsible for the whole. While 'مشترکا' means they share the responsibility, 'تضامنا' is a much stronger legal term often paired with it to ensure total coverage.

این دو نهاد به طور مشترک کنفرانس را برگزار کردند.

Translation: These two institutions jointly (be tore moshtarak) held the conference.

In summary, 'مشترکا' is the gold standard for formal collaborative adverbs. Its Arabic roots give it a sense of historical and legal weight, while its modern usage remains vital in the upper echelons of Persian discourse. By choosing 'مشترکا' over 'با هم', a speaker or writer signals their proficiency in formal Persian and their understanding of professional nuances. It is a word that builds bridges between subjects, turning individual actions into a singular, shared narrative of cooperation.

How Formal Is It?

Formal

"طرفین مشترکا متعهد به اجرای قرارداد می‌باشند."

Neutral

"ما مشترکا روی این پروژه کار کردیم."

Informal

"بیا با هم (not مشترکا) این کار را انجام دهیم."

Child friendly

"بچه‌ها باید با هم (not مشترکا) بازی کنند."

Slang

"شریکی (not مشترکا) بزنیم تو گوشش!"

Fun Fact

While 'Shirk' (polytheism) has a negative connotation in Islamic theology, the exact same linguistic root provides the word for 'Sherkat' (Company) and 'Mosharekat' (Democracy/Participation), which are seen as positive social constructs.

Pronunciation Guide

UK /moʃ.tə.rə.kæn/
US /moʊʃ.tæ.ræ.kæn/
The primary stress is on the final syllable 'kan', which is typical for Persian adverbs ending in tanvin.
Rhymes With
اتفاقا (Ettefaghan) احتمالا (Ehtemalan) ظاهرا (Zaheran) واقعا (Vaghe'an) مثلا (Masalan) تقریبا (Taghriban) قطعا (Ghat'an) عملا (Amalan)
Common Errors
  • Pronouncing it as 'moshtarak-a' (forgetting the 'n').
  • Pronouncing the first 'o' as a long 'u'.
  • Stress on the first syllable.
  • Swallowing the middle 'a' sound.
  • Confusing the 'sh' with a 's' sound.

Difficulty Rating

Reading 7/5

Requires understanding of Arabic tanvin suffixes and formal vocabulary.

Writing 8/5

Using it in the right register without sounding forced takes practice.

Speaking 6/5

Pronunciation is straightforward, but finding the right context is key.

Listening 7/5

Common in news and formal speeches, which are usually fast.

What to Learn Next

Prerequisites

با هم (Together) شریک (Partner) شرکت (Company) کار (Work) تصمیم (Decision)

Learn Next

متفقا (Unanimously) تضامنا (Jointly and severally) مشارکت (Participation) ائتلاف (Coalition) همکاری (Collaboration)

Advanced

تبانی (Collusion) مسئولیت مدنی (Civil liability) حق مالکیت (Ownership right) کنسرسیوم (Consortium) تفاهم‌نامه (Memorandum of Understanding)

Grammar to Know

Arabic Tanvin Adverbs

Words like واقعا (really), تقریبا (approximately), and مشترکا (jointly) use the 'an' suffix.

Adverb Placement

Adverbs usually precede the verb: آن‌ها مشترکا کار کردند.

Compound Verb Modification

The adverb modifies the entire compound verb: مشترکا تصمیم گرفتند.

Subject-Verb Agreement

When using 'مشترکا', the subject is usually plural, so the verb must be plural.

Formal Register Agreement

Using 'مشترکا' requires using formal verb endings (e.g., -and instead of -an in spoken).

Examples by Level

1

ما با هم کار می‌کنیم.

We work together.

A1 uses 'با هم' instead of 'مشترکا'.

2

آن‌ها با هم غذا می‌خورند.

They eat together.

Simple 'together' for daily actions.

3

من و دوستم با هم به مدرسه می‌رویم.

My friend and I go to school together.

Expressing shared movement.

4

ما با هم بازی می‌کنیم.

We play together.

Simple present tense.

5

آن‌ها با هم درس می‌خوانند.

They study together.

Compound verb 'درس خواندن'.

6

ما با هم تلویزیون می‌بینیم.

We watch TV together.

Informal togetherness.

7

من و برادرم با هم زندگی می‌کنیم.

My brother and I live together.

Describing a shared state.

8

آن‌ها با هم صحبت می‌کنند.

They are talking together.

Basic interaction.

1

آن‌ها یک پروژه را مشترکا انجام دادند.

They jointly performed a project.

Introduction of 'مشترکا' in a school context.

2

دو دوست مشترکا یک مغازه باز کردند.

Two friends jointly opened a shop.

Using 'مشترکا' for business start-ups.

3

ما مشترکا برای سفر تصمیم گرفتیم.

We jointly decided on the trip.

Modifying the verb 'تصمیم گرفتن'.

4

هر دو تیم مشترکا برنده شدند.

Both teams jointly won.

Adverb modifying the state of winning.

5

آن‌ها مشترکا از این باغ مراقبت می‌کنند.

They jointly take care of this garden.

Shared responsibility.

6

ما مشترکا یک نامه نوشتیم.

We jointly wrote a letter.

Collaboration on a simple task.

7

آن‌ها مشترکا در یک خانه زندگی می‌کنند.

They jointly live in a house (more formal than 'با هم').

Slightly formalizing a living situation.

8

دو گربه مشترکا از یک ظرف غذا می‌خورند.

Two cats jointly eat from one bowl.

Using the word for shared physical actions.

1

دولت و شهرداری مشترکا این پارک را ساختند.

The government and the municipality jointly built this park.

Formal collaborative action between institutions.

2

دانشمندان مشترکا روی واکسن جدید تحقیق می‌کنند.

Scientists are jointly researching the new vaccine.

Academic/Scientific collaboration.

3

این دو شرکت مشترکا یک محصول تولید کردند.

These two companies jointly produced a product.

Business production context.

4

والدین باید مشترکا مسئولیت تربیت فرزند را بپذیرند.

Parents must jointly accept the responsibility of raising the child.

Abstract responsibility.

5

آن‌ها مشترکا مالک این زمین هستند.

They are jointly the owners of this land.

Modifying the state of ownership.

6

ما مشترکا این بیانیه را صادر کردیم.

We jointly issued this statement.

Formal communication.

7

دو نویسنده مشترکا این کتاب را تالیف کردند.

Two authors jointly authored this book.

Literary collaboration.

8

کشورها مشترکا برای حفاظت از محیط زیست تلاش می‌کنند.

Countries are jointly striving to protect the environment.

International cooperation.

1

این قرارداد مشترکا توسط وکلای هر دو طرف تنظیم شده است.

This contract has been jointly drafted by the lawyers of both parties.

Passive construction with 'مشترکا'.

2

طرفین معامله مشترکا متعهد به اجرای مفاد قرارداد شدند.

The parties to the transaction jointly committed to executing the terms of the contract.

Legal commitment.

3

بودجه این طرح مشترکا از سوی دو وزارتخانه تامین می‌شود.

The budget for this plan is jointly provided by two ministries.

Financial collaboration.

4

آن‌ها مشترکا مدیریت این سازمان بزرگ را بر عهده دارند.

They jointly hold the management of this large organization.

Managerial sharing.

5

پلیس و ارتش مشترکا عملیات نجات را رهبری کردند.

The police and the army jointly led the rescue operation.

Unified leadership.

6

نتایج آزمایش‌ها مشترکا توسط تیم‌های پزشکی تحلیل شد.

The test results were jointly analyzed by the medical teams.

Collaborative analysis.

7

این دو کشور مشترکا مرزهای آبی خود را کنترل می‌کنند.

These two countries jointly control their maritime borders.

Geopolitical cooperation.

8

سهامداران مشترکا درباره آینده شرکت تصمیم می‌گیرند.

Shareholders jointly decide about the future of the company.

Collective decision-making.

1

مسئولیت مدنی این حادثه مشترکا بر عهده پیمانکار و کارفرماست.

The civil liability for this accident lies jointly with the contractor and the employer.

Precise legal liability.

2

این نظریه مشترکا توسط چندین فیلسوف برجسته بسط داده شده است.

This theory has been jointly expanded upon by several prominent philosophers.

Intellectual/Philosophical collaboration.

3

نهادهای بین‌المللی مشترکا برای حل بحران پناهندگان فراخوان دادند.

International institutions jointly issued a call to resolve the refugee crisis.

High-level diplomatic call to action.

4

نیروهای ائتلاف مشترکا به مواضع دشمن حمله کردند.

Coalition forces jointly attacked enemy positions.

Military alliance terminology.

5

این اثر هنری مشترکا توسط یک مجسمه‌ساز و یک نقاش خلق شده است.

This artwork was jointly created by a sculptor and a painter.

Interdisciplinary artistic collaboration.

6

بانک مرکزی و وزارت دارایی مشترکا سیاست‌های پولی را تنظیم می‌کنند.

The Central Bank and the Ministry of Finance jointly regulate monetary policies.

Macroeconomic governance.

7

پژوهشگران مشترکا به این نتیجه رسیدند که تغییرات اقلیمی شتاب گرفته است.

Researchers jointly concluded that climate change has accelerated.

Consensus in academic research.

8

وارثان مشترکا مالکیت اموال متوفی را در اختیار دارند.

The heirs jointly hold the ownership of the deceased's property.

Inheritance law context.

1

حاکمیت ملی و اراده مردمی مشترکا مشروعیت نظام را تضمین می‌کنند.

National sovereignty and the popular will jointly guarantee the legitimacy of the system.

Political philosophy and constitutional theory.

2

عوامل ژنتیکی و محیطی مشترکا در شکل‌گیری شخصیت نقش دارند.

Genetic and environmental factors jointly play a role in the formation of personality.

Scientific determinism and synergy.

3

این دو گفتمان مشترکا فضای سیاسی جامعه را تحت تاثیر قرار داده‌اند.

These two discourses have jointly influenced the political atmosphere of society.

Sociological and discursive analysis.

4

کشورهای منطقه مشترکا پروتکل‌های امنیتی جدیدی را تدوین نمودند.

The countries of the region jointly drafted new security protocols.

Advanced administrative/diplomatic vocabulary ('تدوین نمودن').

5

نبوغ فردی و تلاش گروهی مشترکا منجر به این پیروزی تاریخی شد.

Individual genius and group effort jointly led to this historical victory.

Abstract synthesis of causes.

6

قوای سه‌گانه مشترکا موظف به پاسداری از قانون اساسی هستند.

The three branches of government are jointly obligated to safeguard the constitution.

Constitutional law and collective obligation.

7

نوآوری و سرمایه مشترکا موتور محرک اقتصاد دانش‌بنیان محسوب می‌شوند.

Innovation and capital are jointly considered the driving engine of the knowledge-based economy.

Economic theory and metaphor.

8

اخلاق و قانون مشترکا چارچوب رفتارهای اجتماعی را تعیین می‌کنند.

Ethics and law jointly determine the framework of social behaviors.

Ethical and legal philosophy.

Common Collocations

مشترکا تصمیم گرفتن
مشترکا مالک بودن
مشترکا مدیریت کردن
مشترکا امضا کردن
مشترکا سرمایه‌گذاری کردن
مشترکا مسئول بودن
مشترکا منتشر کردن
مشترکا استفاده کردن
مشترکا عمل کردن
مشترکا تحقیق کردن

Common Phrases

حساب مشترک

— A shared bank account. Note that 'moshtarak' is the adjective here.

ما یک حساب مشترک در بانک داریم.

منافع مشترک

— Common interests or mutual benefits.

کشورها بر اساس منافع مشترک همکاری می‌کنند.

درد مشترک

— A shared pain or common suffering (often used poetically).

این فقر، درد مشترک همه ماست.

زبان مشترک

— A common language or mutual understanding.

هنر، زبان مشترک همه انسان‌هاست.

مرز مشترک

— A shared border between two countries.

ایران و عراق مرز مشترک طولانی دارند.

فصل مشترک

— Common ground or an overlapping section.

فصل مشترک این دو نظریه، عدالت است.

اشتراک مساعی

— Cooperation of efforts (very formal).

با اشتراک مساعی می‌توانیم موفق شویم.

به اشتراک گذاشتن

— To share (something online or physically).

من عکس‌ها را در اینستاگرام به اشتراک گذاشتم.

وجوه مشترک

— Common aspects or similarities.

این دو فرهنگ وجوه مشترک زیادی دارند.

دشمن مشترک

— A common enemy.

آن‌ها برای مقابله با دشمن مشترک متحد شدند.

Often Confused With

مشترکا vs مشترک

This is the adjective (common/shared). Use it to describe a noun, not an action.

مشترکا vs متفقا

Means 'unanimously'. Joint action (مشترکا) doesn't always require total agreement, just shared effort.

مشترکا vs مستقیما

Means 'directly'. Sounds similar but has the opposite meaning regarding involvement of others.

Idioms & Expressions

"آشپز که دو تا شد، آش یا شور می‌شود یا بی‌نمک"

— Too many cooks spoil the broth. Used when joint management ('مشترکا') leads to failure.

نباید مشترکا تصمیم بگیرید، چون آشپز که دو تا شد...

Proverbial
"شریک دزد و رفیق قافله"

— To run with the hare and hunt with the hounds (being a fake collaborator).

او ادعا می‌کند مشترکا کار می‌کند اما شریک دزد است.

Informal/Idiomatic
"یک دست صدا ندارد"

— One hand alone makes no sound. Used to encourage acting 'مشترکا'.

باید مشترکا کار کنیم، چون یک دست صدا ندارد.

Proverbial
"هم‌کاسه شدن"

— To share a bowl (to be in cahoots or close collaboration).

آن‌ها برای این توطئه با هم هم‌کاسه شدند.

Informal
"بار کج به منزل نمی‌رسد"

— A crooked load won't reach its destination (dishonest joint ventures fail).

این همکاری مشترکا بر پایه دروغ است و بار کج...

Proverbial
"پای کسی را در کفش دیگری کردن"

— To interfere in someone's business (opposite of respectful joint action).

ما باید مشترکا کار کنیم نه اینکه پایمان را در کفش هم کنیم.

Informal
"هم‌سنگر بودن"

— To be in the same trench (to be brothers-in-arms).

ما در این مبارزه مشترکا هم‌سنگر هستیم.

Literary
"سرِ یک سفره نشستن"

— To sit at the same table (to share resources or be part of one group).

خانواده‌ها مشترکا سر یک سفره نشستند.

Cultural/Neutral
"هم‌پیاله بودن"

— To be drinking companions (close, often suspect, collaboration).

آن دو نفر سال‌هاست که مشترکا هم-پیاله هستند.

Informal
"دست در دست هم"

— Hand in hand (working jointly in harmony).

بیایید مشترکا و دست در دست هم کشور را بسازیم.

Literary/Poetic

Easily Confused

مشترکا vs مشترک

Same root, different part of speech.

Moshtarak is an adjective (e.g., shared room); Moshtarakan is an adverb (e.g., to live jointly).

اتاق مشترک (Shared room) vs. مشترکا زندگی کردن (To live jointly).

مشترکا vs مشارکت

Both relate to sharing.

Mosharekat is a noun meaning 'participation' or 'partnership'.

مشارکت مردم (People's participation) vs. مشترکا کار کردن (Working jointly).

مشترکا vs شرکت

Commonly known as 'company'.

Sherkat is the entity; Moshtarakan describes the mode of action.

شرکت نفت (Oil company) vs. مشترکا نفت استخراج کردن (To jointly extract oil).

مشترکا vs تضامنا

Both appear in legal contracts.

Tazammanan implies a specific type of legal guarantee where each is liable for the whole.

آن‌ها تضامنا مسئول هستند (They are jointly and severally liable).

مشترکا vs متفقا

Both mean 'together'.

Mottafeghan focuses on the unity of opinion or voice.

آن‌ها متفقا رای دادند (They voted unanimously).

Sentence Patterns

A2

[Name] و [Name] مشترکا [Verb].

علی و رضا مشترکا کار می‌کنند.

B1

ما باید این کار را مشترکا انجام دهیم.

ما باید این پروژه را مشترکا انجام دهیم.

B2

این تصمیم مشترکا توسط [Party A] و [Party B] گرفته شد.

این تصمیم مشترکا توسط هر دو شرکت گرفته شد.

C1

مسئولیتِ [Noun] مشترکا بر عهده [Parties] است.

مسئولیت ضرر مشترکا بر عهده شرکاست.

C2

[Abstract Noun] و [Abstract Noun] مشترکا منجر به [Result] شدند.

فقر و بیکاری مشترکا منجر به افزایش جرم شدند.

B2

طرفین مشترکا متعهد می‌شوند که...

طرفین مشترکا متعهد می‌شوند که به قرارداد پایبند باشند.

B1

آن‌ها مشترکا مالکِ [Noun] هستند.

آن‌ها مشترکا مالک این آپارتمان هستند.

B2

[Noun] مشترکا بین [Parties] تقسیم شد.

سود مشترکا بین سهامداران تقسیم شد.

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Common in formal writing; rare in casual conversation.

Common Mistakes
  • Using 'مشترکا' as an adjective. مشترک

    You should say 'هدف مشترک' (shared goal), not 'هدف مشترکا'. Adverbs modify verbs, adjectives modify nouns.

  • Pronouncing it 'Moshtarak-aa'. Moshtarakan

    The tanvin 'اً' must be pronounced as 'an'. Dropping the 'n' makes the word unrecognizable in formal speech.

  • Using it for eating or playing. با هم

    'مشترکا' is too formal for daily chores or leisure activities. It sounds unnatural in those contexts.

  • Saying 'به طور مشترکا'. به طور مشترک

    After 'به طور' (in a ... manner), you must use the adjective form, not the adverb form, because 'به طور' already provides the adverbial function.

  • Confusing it with 'مستقیما' (Directly). مشترکا

    Learners sometimes mix up these tanvin adverbs. 'Directly' means without anyone else; 'Jointly' means with someone else.

Tips

Tanvin Suffix

Remember that the suffix 'اً' is only used with certain Arabic-derived words. You cannot add it to native Persian words. 'مشترکا' is a perfect example of this rule.

Professionalism

If you are writing a CV or a business proposal, use 'مشترکا' to describe team achievements. It sounds much more impressive than 'با هم'.

Root Recognition

If you see 'Sh-R-K', think 'Sharing'. This will help you remember 'Sherkat' (Company), 'Sharik' (Partner), and 'Moshtarakan' (Jointly).

The Final 'N'

Don't let the 'n' sound drop. In Persian, adverbs like this are one of the few places where the 'n' is very distinct and crisp.

Liability Check

When reading contracts, 'مشترکا' is a red flag word that tells you that you are not acting alone. Pay close attention to what follows.

Variety

Alternate between 'مشترکا' and 'به صورت مشترک' in long paragraphs to keep your Persian writing elegant and less repetitive.

News Cues

In news broadcasts, 'مشترکا' often signals the beginning of a report about an alliance or a meeting between leaders.

Equality

Using 'مشترکا' often implies a sense of mutual respect and equal contribution between the parties involved.

Tanvin vs. Ane

Avoid saying 'مشترکانه'. While it sounds like it could be a word, it is not used in standard Persian. Stick to 'مشترکا'.

Process vs. Agreement

Use 'مشترکا' for the process of doing something together, and 'متفقا' for the agreement on doing it.

Memorize It

Mnemonic

Imagine two 'Mush' (mice) sharing a 'Track' (running path). They are running 'Moshtarakan' (jointly) on the track.

Visual Association

Visualize a document with two different colored pens signing at the bottom simultaneously. This represents the 'joint' nature of the word.

Word Web

Partner (شریک) Company (شرکت) Together (با هم) Jointly (مشترکا) Participation (مشارکت) Subscription (اشتراک) Common (مشترک) Shared (اشتراکی)

Challenge

Try to write three sentences about your favorite hobby, but imagine you are doing it with a business partner. Use 'مشترکا' instead of 'با هم' to see how it changes the tone.

Word Origin

The word is of Arabic origin, specifically the passive participle form (Muftara'un) of the VIII form of the root Sh-R-K (ش ر ک). In Arabic, 'Mushtarak' means shared or common. Persian adopted this word and added the Arabic tanvin suffix '-an' (اً) to create an adverb.

Original meaning: The root Sh-R-K originally refers to the act of 'associating' or 'sharing' something with another. In religious contexts, 'Shirk' refers to associating partners with God, but in secular contexts, it became the basis for partnership and companies.

Semitic root (Arabic) integrated into Indo-European (Persian) grammar.

Cultural Context

No specific sensitivities, but ensure you don't confuse 'Sharik' (partner) with 'Sherkat' (company) when discussing joint ventures.

The word 'jointly' in English has a similar legalistic feel. Just as you wouldn't say 'We jointly went to get ice cream' in English, you avoid 'مشترکا' for trivial tasks in Persian.

The 'Joint Comprehensive Plan of Action' (JCPOA) is referred to in Persian as 'برجام' (Barjam), but the concept of joint action is central to its description. The phrase 'درد مشترک' (Common Pain) is a famous line from a poem by Ahmad Shamlou, emphasizing collective human suffering. Legal codes regarding 'Malekiyat-e Moshtarak' (Joint Ownership) are fundamental to Iranian property law.

Practice in Real Life

Real-World Contexts

Legal Contracts

  • مشترکا و متضامنا (Jointly and severally)
  • مسئولیت مشترک (Joint responsibility)
  • امضای مشترک (Joint signature)
  • حقوق مشترک (Joint rights)

Academic Writing

  • تحقیق مشترک (Joint research)
  • تالیف مشترک (Joint authorship)
  • تحلیل مشترک (Joint analysis)
  • یافته‌های مشترک (Joint findings)

International News

  • بیانیه مشترک (Joint statement)
  • عملیات مشترک (Joint operation)
  • نشست مشترک (Joint meeting)
  • همکاری‌های مشترک (Joint cooperations)

Business/Finance

  • سرمایه‌گذاری مشترک (Joint venture)
  • حساب مشترک (Joint account)
  • مدیریت مشترک (Joint management)
  • مالکیت مشترک (Joint ownership)

Social/Family Law

  • سرپرستی مشترک (Joint custody)
  • اموال مشترک (Joint property)
  • زندگی مشترک (Married life/Shared life)
  • تصمیمات مشترک (Joint decisions)

Conversation Starters

"آیا شما و همسرتان مشترکا برای هزینه‌ها تصمیم می‌گیرید؟ (Do you and your spouse jointly decide on expenses?)"

"به نظر شما دو کشور چگونه می‌توانند مشترکا با آلودگی هوا مبارزه کنند؟ (How do you think two countries can jointly fight air pollution?)"

"آیا تا به حال پروژه‌ای را مشترکا با کسی انجام داده‌اید؟ (Have you ever performed a project jointly with someone?)"

"در شرکت شما، مدیران چگونه مشترکا تصمیمات بزرگ را می‌گیرند؟ (In your company, how do managers jointly make big decisions?)"

"چرا مالکیت مشترکا در برخی موارد باعث اختلاف می‌شود؟ (Why does joint ownership sometimes cause disputes?)"

Journal Prompts

درباره زمانی بنویسید که مجبور بودید مشترکا با کسی که دوست نداشتید کار کنید. (Write about a time you had to work jointly with someone you didn't like.)

مزایا و معایب داشتن حساب بانکی مشترکا با دیگران چیست؟ (What are the pros and cons of having a bank account jointly with others?)

چگونه والدین می‌توانند مشترکا مسئولیت‌های خانه را تقسیم کنند؟ (How can parents jointly divide household responsibilities?)

یک بیانیه مشترک خیالی بین دو ابرقهرمان بنویسید. (Write an imaginary joint statement between two superheroes.)

نقش همکاری‌های مشترکا در پیشرفت علم را توصیف کنید. (Describe the role of joint collaborations in the progress of science.)

Frequently Asked Questions

10 questions

Technically yes, but it sounds very strange. In Persian, using high-register words for low-register activities is usually seen as a mistake or a joke. Stick to 'با هم' or 'شریکی' for daily life. For example, 'We ate pizza together' should be 'ما با هم پیتزا خوردیم'.

Yes, in formal writing, the 'alif' with 'tanvin' (اً) is mandatory. In informal digital typing, people sometimes just write 'مشترکا' without the strokes, but the 'alif' is always there and the 'n' sound is always pronounced.

There is no difference in meaning. 'به طور مشترک' is a prepositional phrase, while 'مشترکا' is a single-word adverb. Writers often switch between them to make the text sound more varied and professional.

Not necessarily. It implies that the action is shared, but the exact percentages would need to be specified elsewhere. However, in the absence of details, it often suggests an equal partnership.

Yes, it can be used for any number of parties—three companies, ten countries, or a whole group of heirs. It simply means the action is not individual.

Occasionally, especially in modern social poetry, but classical poetry tends to use more Persian-rooted words or different Arabic forms like 'شرکت'.

The most common term is 'سرمایه‌گذاری مشترک' (Joint Investment) or 'همکاری مشترک'. The adverb 'مشترکا' would be used to describe how the companies are working within that venture.

The opposite would be 'منفردا' (individually) or 'مستقلا' (independently). For example, a director might have the power to sign 'منفردا' (alone) or only 'مشترکا' (with another director).

The word 'اشتراک' (Eshtarak) means 'subscription,' which you use for internet services. 'مشترک' (Moshtarak) means 'subscriber.' 'مشترکا' isn't usually used for the internet unless you are talking about two people jointly owning a subscription.

Yes, 'مشترکا' is understood and used in Dari (Afghanistan). In Tajik, which uses the Cyrillic alphabet, it is written as 'муштаракан' and used in similar formal contexts.

Test Yourself 192 questions

writing

Write a sentence about two companies working together using 'مشترکا'.

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writing

Translate: 'They jointly decided to sell the house.'

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writing

Use 'مشترکا' in a sentence about a science experiment.

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writing

Write a formal email sentence about shared responsibility.

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writing

Translate: 'Both authors jointly received the prize.'

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writing

Describe a joint bank account using the word 'مشترک'.

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writing

Write a sentence about two countries and a shared border.

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writing

Use 'مشترکا' in a sentence about a musical performance.

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writing

Translate: 'The contract was jointly signed.'

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writing

Write a sentence about parents' joint duties.

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writing

Translate: 'We jointly used the office.'

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writing

Write a sentence about a joint investment.

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writing

Use 'مشترکا' to describe a group decision.

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writing

Translate: 'This report was jointly prepared.'

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writing

Write a sentence about two cities sharing a resource.

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writing

Use 'مشترکا' in a sentence about a coalition.

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writing

Translate: 'They are jointly the owners of this car.'

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writing

Write a sentence about a joint statement by two ministers.

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writing

Use 'مشترکا' to describe a shared living situation (formal).

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writing

Translate: 'The problem was jointly solved.'

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speaking

Pronounce the word 'مشترکا' clearly.

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speaking

Say 'We work jointly' in formal Persian.

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speaking

Explain what 'مشترکا' means in your own words (in Persian).

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speaking

Say 'They jointly decided' in Persian.

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speaking

Use 'مشترکا' in a sentence about a business partner.

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speaking

Say 'Jointly signed' in Persian.

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speaking

Describe a shared house using 'مشترکا'.

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speaking

Say 'Joint responsibility' in Persian.

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speaking

Use 'مشترکا' in a sentence about two countries.

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speaking

Say 'We jointly own this' in Persian.

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speaking

Pronounce 'به طور مشترک'.

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speaking

Say 'They jointly managed the team'.

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speaking

Use 'مشترکا' in a sentence about a research project.

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speaking

Say 'Both ministers jointly spoke'.

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speaking

Explain the difference between 'با هم' and 'مشترکا' in Persian.

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speaking

Say 'The contract was jointly drafted'.

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speaking

Use 'مشترکا' in a sentence about a bank account.

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speaking

Say 'We jointly strive for success'.

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speaking

Pronounce 'مشارکت' and 'مشترکا'.

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speaking

Say 'They jointly achieved the goal'.

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listening

Listen to the sentence: 'آن‌ها مشترکا تصمیم گرفتند.' What did they do?

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listening

Listen: 'این پروژه مشترکا انجام شد.' How was the project done?

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listening

Listen: 'ما مشترکا مسئول هستیم.' What is the speaker saying about responsibility?

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listening

Listen: 'هر دو شرکت مشترکا سرمایه‌گذاری کردند.' Who invested?

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listening

Listen: 'بیانیه مشترکا امضا شد.' What happened to the statement?

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listening

Listen for the word 'مشترکا' in this news clip (simulated).

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listening

Listen: 'آن‌ها مشترکا مالک خانه هستند.' Who owns the house?

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listening

Listen: 'ما مشترکا از دفتر استفاده می‌کنیم.' Do they share the office?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'طرح مشترکا اجرا شد.' Was the plan executed alone?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'دانشمندان مشترکا تحقیق می‌کنند.' Who is researching?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'این کتاب مشترکا نوشته شده.' How was the book written?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'هر دو وزیر مشترکا بیانیه دادند.' How many ministers spoke?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'آن‌ها مشترکا مدیریت می‌کنند.' What is their job?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'مشترکا برای آینده تصمیم بگیرید.' What is the advice?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'سود مشترکا تقسیم شد.' How was the profit divided?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
error correction

آن‌ها مشترک تصمیم گرفتند.

Correct! Not quite. Correct answer: آن‌ها مشترکا تصمیم گرفتند.
error correction

ما به طور مشترکا کار کردیم.

Correct! Not quite. Correct answer: ما به طور مشترک کار کردیم.
error correction

این یک هدف مشترکا است.

Correct! Not quite. Correct answer: این یک هدف مشترک است.
error correction

آن‌ها مشترکانه نامه را نوشتند.

Correct! Not quite. Correct answer: آن‌ها مشترکا نامه را نوشتند.
error correction

من و دوستم مشترکا به سینما رفتیم.

Correct! Not quite. Correct answer: من و دوستم با هم به سینما رفتیم. (Register error)
error correction

او مشترکا مالک است.

Correct! Not quite. Correct answer: او مالک مشترک است (or 'آن‌ها مشترکا مالک هستند').
error correction

ما مشترکا نان خریدیم.

Correct! Not quite. Correct answer: ما با هم نان خریدیم.
error correction

بیانیه مشترک صادر شد.

Correct! Not quite. Correct answer: بیانیه مشترکا صادر شد (or 'بیانیه مشترک صادر شد' is also okay as an adjective).
error correction

آن‌ها مشترکا تصمیم گرفت.

Correct! Not quite. Correct answer: آن‌ها مشترکا تصمیم گرفتند.
error correction

این کار مشترکا بود.

Correct! Not quite. Correct answer: این کار مشترک بود.

/ 192 correct

Perfect score!

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