A1 Verb System 10 min read Easy

The Verb 'To Be' (Hastan): I am, You are...

In Persian, the verb 'to be' (hastan) always comes last and changes its ending to match the subject.
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Grammar Rule in 30 Seconds

In Persian, the verb 'to be' is a suffix attached to the end of the word.

  • I am = -am (من هستم)
  • You are = -i (تو هستی)
  • He/She is = -ast (او هست)
Subject + [Noun/Adjective] + [Suffix]

Overview

The verb 'to be' is the backbone of description and identity in any language, and Persian is no exception. The infinitive form is hastan (هستن), but you'll rarely see it in this state. Instead, you will encounter its conjugated forms, which function as the Persian equivalents of "am," "is," and "are." Understanding hastan is your first major step toward forming basic, yet complete, sentences.

Unlike English, where 'to be' appears near the beginning of a descriptive sentence (e.g., "I am a student"), Persian places it at the very end. This is a non-negotiable rule of Persian grammar, which follows a Subject-Predicate-Verb word order. The sentence structure feels like "I a student am." This might seem counterintuitive at first, but its consistency makes it a reliable pattern to learn.

Crucially, the Persian verb 'to be' exists in two primary forms in the present tense: a full, emphatic form derived from the stem hast- (هست-), and a more common, contracted suffix form (known as a clitic or copula). The full form emphasizes existence ("There is a book"), while the suffix form simply links a subject to its description ("The book is good"). Mastering the distinction between these two is fundamental to sounding natural.

How This Grammar Works

Persian grammar is built on a Subject-Object-Verb (SOV) foundation. For simple descriptive sentences, this translates to a Subject-Predicate-Verb (S-P-V) structure. The subject is who or what you're talking about, the predicate is the description, and the conjugated form of 'to be' is the verb that finalizes the thought.
For example, to say "The weather is cold," you structure it as: havā (The weather) + sard (cold) + ast (is).
One of the most efficient features of Persian is that the verb endings contain all the information about the subject. The ending -am on a verb can only mean "I," just as -im can only mean "we." This is why Persian is a pro-drop language, meaning you can—and often should—drop the subject pronoun (like man for "I" or shomā for "you"). The sentence khoshhāl hastam (خوشحال هستم) is a complete and correct way to say "I am happy"; the man (من) is understood.
The core mechanism you must learn involves two distinct patterns for 'to be':
  1. 1The Standalone Verb (hast-): This form is built from the stem hast- and always appears as a separate word at the end of the sentence. It is used to assert existence, ask if something is available, or for emphasis. Think of it as the more forceful, complete version of the verb.
  • dar pārs, qahve hast. (در پاریس، قهوه هست) — In Paris, there is coffee. (Stating its existence).
  1. 1The Suffix Verb (Enclitic Copula): This is the more common form for everyday descriptions. Here, the verb isn't a standalone word but a suffix that attaches directly to the preceding word (the predicate). For the third person, the form is ast (است), which also gets shortened. For all other persons, it's just the personal endings (-am, -i, -im, etc.) latching onto the end of the description.
  • in qahve khub ast. (این قهوه خوب است) — This coffee is good. (Linking the subject to a quality).

Formation Pattern

1
To correctly use the verb 'to be,' you need to memorize two sets of conjugations: the full form and the suffix form. They serve different purposes and follow different rules.
2
1. The Full hast- Form (For Existence & Emphasis)
3
This form is straightforward. You take the stem hast- and add the standard present tense personal endings. The only exception is the third-person singular (u), which is simply hast with no ending. This form always stands as a separate word.
4
Formula: Subject + (Predicate) + hast- + Personal Ending
5
| Pronoun (Persian) | Pronoun (Latin) | Personal Ending | Full Verb Form (Persian) | Full Verb Form (Latin) |
6
|---|---|---|---|---|
7
| من | man (I) | -am (ـم) | هستم | hastam |
8
| تو | to (you, informal) | -i (ـی) | هستی | hasti |
9
| او / آن | u / ān (he/she/it) | (none) | هست | hast |
10
| ما | mā (we) | -im (ـیم) | هستیم | hastim |
11
| شما | shomā (you, formal/pl.) | -id (ـید) | هستید | hastid |
12
| آنها / ایشان | ānhā / ishān (they) | -and (ـند) | هستند | hastand |
13
Example usage: man dar dāneshgāh hastam. (من در دانشگاه هستم) — "I am at the university."
14
2. The Suffix Form (The Copula for Description)
15
This form is more common in daily speech and writing. Instead of a full word, the personal ending attaches directly to the predicate (the adjective, noun, or prepositional phrase). This is trickier because of pronunciation rules.
16
Formula: Subject + Predicate-Personal Ending
17
Rule A: Predicate ends in a consonant.
18
Simply attach the ending. For the third person, use ast.
19
man khub + -am → man khubam. (من خوبم) — I am good.
20
u khub + ast → u khub ast. (او خوب است) — He/She is good.
21
Rule B: Predicate ends in a vowel ā (ا) or u (و).
22
Insert a linking y (ی) before the ending to avoid a direct vowel clash. This is a fundamental phonetic rule in Persian.
23
man dānā + y + -am → man dānāyam. (من دانایم) — I am knowledgeable.
24
to dāneshju + y + -i → to dāneshjuyi. (تو دانشجویی) — You are a student.
25
For the third person ast, the a is dropped after a vowel, and it becomes -st. u dānāst. (او داناست).
26
Here is a table demonstrating the pattern:
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| Pronoun | Ending | Example (consonant-final word: sard, cold) | Example (vowel-final word: zibā, beautiful) |
28
|---|---|---|---|
29
| man | -am | sardam (سردم) | zibāyam (زیبایم) |
30
| to | -i | sardi (سردی) | zibāyi (زیبایی) |
31
| u | ast / -st | sard ast (سرد است) | zibāst (زیباست) |
32
| mā | -im | sardim (سردیم) | zibāyim (زیباییم) |
33
| mā | -id | sardid (سردید) | zibāyid (زیبایید) |
34
| ānhā | -and | sardand (سردند) | zibāyand (زیبایند) |

When To Use It

The choice between the full hast- form and the suffix form (copula) depends entirely on meaning and context. Using the wrong one is a common and obvious error for learners.
  • 1. For Identity and Description (Use the Suffix Form/Copula)
When you are simply linking a subject to its definition or quality (A = B), the suffix form is the default choice. This is the most common use case.
  • in sib ast. (این سیب است) — This is an apple.
  • ānhā pezeshkand. (آنها پزشکند) — They are doctors.
  • pedaram mo’allem ast. (پدرم معلم است) — My father is a teacher.
  • 2. To State or Ask About Existence (Use the Full hast- Form)
When you want to say that something exists or ask if it is available, you must use the full form derived from hast-. This often translates to "there is" or "there are."
  • At a shop: shir hast? (شیر هست؟) — Is there milk? / Do you have milk?
  • Stating a fact: dar tehrān, metro hast. (در تهران، مترو هست) — In Tehran, there is a metro system.
  • You would never say *shir ast? in this context; it would be meaningless.
  • 3. For Location (Both Forms Possible, Subtle Difference)
When indicating location, both forms are often grammatically correct, but carry different nuances.
  • Suffix form (neutral statement): man dar khāne-am. (من در خانه‌ام) — I am at home. (Simple statement of fact).
  • Full hast- form (emphatic or clarifying): man dar khāne hastam. (من در خانه هستم) — I am at home. (Could be used to emphasize your location, perhaps in response to someone looking for you).
In most neutral contexts, the suffix form is more common for location.
  • 4. For Possession (with dāshtan)
While dāshtan (داشتن) is the verb 'to have', the verb 'to be' is often used colloquially in questions about availability, which can feel like possession.
  • ghalam dāri? (قلم داری؟) — Do you have a pen? (Direct question with 'to have').
  • ghalam hast? (قلم هست؟) — Is there a pen? (Indirect, asking about general availability).

Common Mistakes

Navigating the two forms of 'to be' and Persian word order leads to several predictable errors. Being aware of them is the first step to avoiding them.
  • Mistake 1: Confusing hast (هست) and ast (است)
This is the single most common error. hast is for existence; ast is for description. Memorize this distinction. Saying *in ketāb khub hast is incorrect; the right sentence is in ketāb khub ast because you are describing the book, not claiming it exists.
| Context | Correct Persian | Incorrect Persian | Meaning |
|---|---|---|---|
| Asking for coffee | qahve hast? (قهوه هست؟) | *qahve ast? | "Is there any coffee?" |
| Describing coffee | qahve talkh ast. (قهوه تلخ است) | *qahve talkh hast. | "The coffee is bitter." |
  • Mistake 2: Incorrect Word Order
Never place the verb 'to be' anywhere but the final position in the clause. English speakers are especially prone to this.
  • Incorrect: *man hastam khaste. (I am tired - English order)
  • Correct: man khaste hastam. or man khaste-am. (من خسته هستم / من خسته‌ام)
  • Mistake 3: Forgetting the Linking y (ی)
When a word ends in a vowel, the linking y is not optional. Forgetting it makes the word difficult to pronounce and is grammatically incorrect.
  • Incorrect: *to dānā-i? (Are you wise?)
  • Correct: to dānāyi? (تو دانایی؟)
  • Incorrect: *mā dāneshju-im. (We are students.)
  • Correct: mā dāneshjuyim. (ما دانشجوییم)
  • Mistake 4: Combining 'to be' with the mi- prefix
The continuous/habitual present tense prefix mi- (میـ) is used for almost all verbs (mi-ravam - I go; mi-khoram - I eat) except for the verb 'to be'. hastam and its suffix forms are their own complete present tense.
  • Incorrect: *man khub mi-hastam.
  • Correct: man khub hastam. or man khubam.

Real Conversations

Textbook Persian is formal. Spoken Persian, however, is filled with contractions and shortcuts, especially concerning the verb 'to be.' Understanding these colloquial forms is essential for comprehension.

The most significant change is that ast (است) is almost universally replaced by the suffix -e (ـه) when it follows a consonant. When it follows a vowel, it often sounds the same as the formal contraction -st, but can also be realized as -ye.

Furthermore, the plural endings -id and -and are often shortened.

- hastid (هستید) → hastin (هستین)

- hastand (هستند) → hastan (هستن)

- Suffix -id (ـید) → -in (ـین)

- Suffix -and (ـند) → -an (ـن)

This table shows the transformation from formal to colloquial speech:

| Formal Written Form | Colloquial Spoken Form | Transliteration (Spoken) | Translation |

|---|---|---|---|

| in khub ast. (این خوب است) | in khube. (این خوبه) | in khube | This is good. |

| u kojā ast? (او کجا است؟) | un kojā-st? or un kojā-e? (اون کجاست؟) | un kojāst? | Where is he/she? |

| shomā irāni hastid? (شما ایرانی هستید؟) | shomā iruni hastin? (شما ایرونی هستین؟) | shomā iruni hastin? | Are you Iranian? |

| ānhā khaste hastand. (آنها خسته هستند) | unā khaste-an. (اونا خسته‌ن) | unā khaste-an | They are tired. |

Examples from Texting & Social Media:

In ultra-casual contexts, even more is dropped. You'll frequently see the verb 'to be' fully implied.

- khubi? (خوبی؟) — Standard text message check-in. It's short for (to) khub hasti? ((Are) you well?).

- man ofis-am (من آفیسم) — "I'm at the office." This is a contraction of man dar ofis hastam.

- in film ālie! (این فیلم عالیه!) — "This movie is great!" Here, ālie is the spoken form of āli ast.

Quick FAQ

Q: Can I always drop the pronoun like man or to?

In informal speech, yes, it's very common and natural because the verb ending makes the subject clear. ghazā mikhoram ("(I) am eating food") is more common than man ghazā mikhoram. However, in formal writing or when you want to emphasize or clarify the subject, you should keep the pronoun.

Q: You said ast becomes -e. What happens to hast in speech?

The existential verb hast does not get shortened to -e. It retains its form. qahve hast? (Is there coffee?) stays the same in both formal and spoken contexts. This is a reliable way to tell the two apart. Only the descriptive linking verb ast changes to -e.

Q: What is the difference between to hasti and shomā hastid again?

This is about politeness and number, known as the T-V distinction. to (تو) is the informal, singular 'you' used with close friends, family, children, and peers. shomā (شما) is the formal 'you' used with strangers, elders, authority figures (like a professor), and in any professional setting. shomā is also the only word for the plural 'you' (addressing a group). Using to when shomā is expected is a significant social error.

Q: Is hastan an irregular verb?

Yes, it is considered one of Persian's main irregular verbs. Its irregularity comes from two facts: 1) It does not take the mi- prefix for the present tense, unlike almost all other verbs. 2) It has the dual-form system (hast- vs. the suffix copula), which is unique. Its past tense counterpart, budan (بودن - 'to have been'), is also irregular but follows a more predictable pattern that you will learn later.

Present Tense 'To Be'

Pronoun Suffix Full Form
Man (I)
-am
hastam
To (You)
-i
hasti
Ou (He/She)
-ast
hast
Ma (We)
-im
hastim
Shoma (You pl)
-id
hastid
Anha (They)
-and
hastand

Informal Contractions

Full Informal
hastam
am
hasti
i
hast
e
hastim
im
hastid
id
hastand
an

Meanings

The verb 'hastan' acts as a copula to link a subject to a predicate.

1

Identity

Defining who or what someone is.

“من علی هستم.”

“او معلم است.”

2

State/Condition

Describing how someone feels or a state of being.

“هوا سرد است.”

“من خوشحال هستم.”

Reference Table

Reference table for The Verb 'To Be' (Hastan): I am, You are...
Form Structure Example
Affirmative
Noun + Suffix
Man irani-am
Negative
Ni + Suffix
Man irani nistam
Question
Noun + Suffix + ?
To irani-i?
Short Answer
Suffix
Bale, hastam

Formality Spectrum

Formal
من دانشجو هستم.

من دانشجو هستم. (Self-introduction)

Neutral
من دانشجو هستم.

من دانشجو هستم. (Self-introduction)

Informal
دانشجوم.

دانشجوم. (Self-introduction)

Slang
دانشجوم دیگه.

دانشجوم دیگه. (Self-introduction)

The Copula Web

Hastan

Identity

  • من هستم I am

State

  • خوب هستم I am good
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Examples by Level

1

من ایرانی هستم.

I am Iranian.

2

او معلم است.

He is a teacher.

3

تو خوبی؟

Are you good?

4

ما خوشحال هستیم.

We are happy.

1

هوا امروز گرم است.

The weather is hot today.

2

آیا شما دانشجو هستید؟

Are you a student?

3

آنها در خانه هستند.

They are at home.

4

من خسته نیستم.

I am not tired.

1

این کتاب خیلی جالب است.

This book is very interesting.

2

آیا این راه درست است؟

Is this the right way?

3

ما آماده هستیم که برویم.

We are ready to go.

4

او واقعاً باهوش است.

He is really smart.

1

مسئله این است که وقت نداریم.

The issue is that we don't have time.

2

او در میان دوستانش محبوب است.

He is popular among his friends.

3

آیا این تصمیم عاقلانه است؟

Is this a wise decision?

4

همه چیز آماده است.

Everything is ready.

1

حقیقت این است که او نمی‌داند.

The truth is that he doesn't know.

2

این موضوع پیچیده‌تر از آن است که فکر می‌کنید.

This topic is more complex than you think.

3

او در این زمینه متخصص است.

He is an expert in this field.

4

این یک فرصت طلایی است.

This is a golden opportunity.

1

این امر بدیهی است که زبان در حال تغییر است.

It is self-evident that language is changing.

2

او در کمال آرامش است.

He is in a state of perfect calm.

3

این توافقنامه لازم‌الاجرا است.

This agreement is binding.

4

او در اوج موفقیت است.

He is at the peak of success.

Easily Confused

The Verb 'To Be' (Hastan): I am, You are... vs Hastan vs Budan

Learners mix present and past.

Common Mistakes

✗

Man hastam irani

✓

Man irani hastam

Verb goes at the end.
✗

Ou hast

✓

Ou hast (or just 'e')

In speech, 'ast' becomes 'e'.
✗

Man hastim

✓

Man hastam

Suffix must match subject.
✗

In hast

✓

In ast

Formal writing requires full form.

Sentence Patterns

من ___ هستم.

Real World Usage

Texting constant

خوبی؟

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💡

Drop the H

In casual speech, drop the 'h' from 'hastam' to sound more natural.

Smart Tips

Elide the 'ast' to 'e'.

او معلم است. → او معلمه.

Pronunciation

hastam -> astam

Elision

The 'h' in 'hast' is often dropped in speech.

Question

To irani-i? (rising pitch)

Yes/No question

Memorize It

Mnemonic

Remember 'Am, I, Ast, Im, Id, And' like a rhythmic chant.

Visual Association

Imagine a person wearing a name tag that changes as they walk.

Rhyme

I am -am, you are -i, he is -ast, we are -im, you all -id, they are -and.

Story

Ali is a student. He says 'Man daneshju-am'. His friend says 'To daneshju-i'. They are happy.

Word Web

hastamhastihasthastimhastidhastand

Challenge

Write 5 sentences about yourself using the -am suffix.

Cultural Notes

In Tehran, the suffix is almost always elided.

Derived from Old Persian 'ah-', meaning 'to be'.

Conversation Starters

“

اسم شما چیست؟

Journal Prompts

Describe yourself in 5 sentences.

Common Mistakes

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

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Test Yourself

Fill in the blank.

من دانشجو ___.

✓ Correct! ✗ Not quite. Correct answer: هستم
First person singular is -am.

Score: /1

Practice Exercises

1 exercises
Fill in the blank.

من دانشجو ___.

✓ Correct! ✗ Not quite. Correct answer: هستم
First person singular is -am.

Score: /1

Practice Bank

10 exercises
Complete the sentence. Fill in the Blank

To koja ___? (Where are you?)

✓ Correct! ✗ Not quite. Correct answer: hasti
Match the pronoun to the verb ending. Match Pairs

Match the pairs:

✓ Correct! ✗ Not quite. Correct answer: ["Man (I) - hastam","Ma (We) - hastim","Anha (They) - hastand","Shoma (You pl.) - hastid"]
Identify the formal sentence. Multiple Choice

Which of these is used for addressing a boss or teacher?

✓ Correct! ✗ Not quite. Correct answer: Shoma inja hastid.
Arrange the words to form a correct Persian sentence. Sentence Reorder

hastam / Man / irani (I am Iranian)

✓ Correct! ✗ Not quite. Correct answer: Man irani hastam
Select the correct form for 'She is'. Fill in the Blank

Sara emruz khoshhal ___.

✓ Correct! ✗ Not quite. Correct answer: ast
Fix the verb ending. Error Correction

Shoma daneshju hastim.

✓ Correct! ✗ Not quite. Correct answer: Shoma daneshju hastid.
Translate 'We are friends'. Translation

We are friends.

✓ Correct! ✗ Not quite. Correct answer: Ma dust hastim.
Which sentence means 'Is he here?' Multiple Choice

Select the correct question.

✓ Correct! ✗ Not quite. Correct answer: U inja ast?
Complete with the plural form. Fill in the Blank

Anha (They) dar park ___.

✓ Correct! ✗ Not quite. Correct answer: hastand
Find the error. Error Correction

Man hastam inja. (I am here)

✓ Correct! ✗ Not quite. Correct answer: Man inja hastam.

Score: /10

FAQ (1)

Yes, for identity and state.

Scaffolded Practice

1

1

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish moderate

ser/estar

Persian does not distinguish between permanent/temporary.

French low

être

Persian uses suffixes.

German low

sein

Persian suffixes are clitics.

Japanese moderate

desu

Japanese is SOV.

Arabic low

kana

Persian requires the suffix.

Chinese low

shi

Persian is inflected.

Learning Path

Prerequisites

Next
Persian Present Verb Endings: I do, You do (-am, -i, -ad)

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