B1 · متوسط فصل 11

فن إضافة التفاصيل: كيف تتحدث الإنجليزية بدقة واحترافية؟

4 القواعد الإجمالية
43 أمثلة
7 دقيقة

Chapter in 30 Seconds

Elevate your communication by seamlessly weaving extra details and formal precision into your English sentences.

  • Distinguish between essential and non-essential information.
  • Apply commas correctly to structure complex thoughts.
  • Master formal prepositional phrasing to sound professional.
Add detail, gain clarity, sound professional.

ما ستتعلمه

أهلاً بك يا بطل! لقد وصلت لمرحلة رائعة في رحلتك، وحان الوقت لتنتقل من مجرد صياغة جمل بسيطة إلى التعبير عن أفكارك بعمق وذكاء. في هذا الفصل، سنكتشف معاً كيف تضيف تفاصيل إضافية لكلامك دون أن تفقد سلاسته، تماماً كالمحترفين. سنتعلم الفرق الدقيق بين جمل الوصل الضرورية التي تحدد هوية الشخص أو الشيء، وبين المعلومات الإضافية التي نضعها بين فاصلتين لتجميل المعنى؛ وستعرف سر عدم استخدام كلمة (that) في الجمل التي تكتفي بتقديم تفاصيل إضافية. هل تتخيل نفسك في اجتماع عمل أو تكتب بريداً رسمياً؟ هنا تبرز أهمية تعابير مثل (to whom) أو (for which)، والتي ستتقنها لتبدو لغتك أكثر رقياً. ليس هذا فحسب، بل ستتعلم كيف تصف أجزاءً من مجموعة بدقة متناهية باستخدام (all of whom) أو (none of which). تخيل أنك تقدم عرضاً تقديمياً وتود الإشارة لزملائك الذين ساعدوك، أو تصف مشاريع معينة واجهت فيها تحديات؛ هذه القواعد هي مفتاحك لتفعل ذلك بكل ثقة. بنهاية هذا الفصل، ستصبح قادراً على بناء جمل مركبة ومعقدة بلمسة احترافية تجعل السامع يدرك فوراً أن مستواك في الإنجليزية أصبح متقدماً ومتميزاً. هل أنت مستعد للبدء؟

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: Use relative clauses to combine two short sentences into one fluid, detailed statement.
  2. 2
    By the end you will be able to: Employ formal prepositional structures in professional correspondence.

دليل الفصل

نظرة عامة

As you navigate the B1 level in English, you're moving beyond basic sentences and starting to express more nuanced and complex ideas. This chapter is your key to unlocking that next level of clarity and sophistication. We're diving into the essential skills for adding extra information and formal details, which are crucial for sounding natural and precise, especially in written English or more formal spoken contexts.
Mastering these structures will significantly enhance your ability to communicate effectively, ensuring your message is always understood exactly as you intend.
You'll learn how to seamlessly weave in additional facts and explanations without making your sentences clunky or confusing. This isn't just about sounding fancy; it's about being clear and concise, whether you're describing a person, an object, or a situation. We'll explore different types of relative clauses – the building blocks for this kind of detail – and show you how to use commas to manage the flow of information.
This includes understanding the subtle yet powerful difference between essential and non-essential information.
Furthermore, we'll equip you with the tools to handle more formal language. This is vital for academic writing, professional emails, or even just impressing an English speaker with your command of the language. By the end of this guide, your B1 English grammar will feel much more robust, allowing you to articulate complex thoughts with confidence and precision, making your English sound truly advanced.

كيف تعمل هذه القاعدة

At the heart of adding extra information and formal details are relative clauses. These are parts of a sentence that describe a noun, giving us more specific data about it. They typically start with words like who, whom, which, that, or whose.
The critical distinction here is between defining and non-defining relative clauses.
A defining relative clause provides essential information that pinpoints *which* specific noun you're talking about. If you remove it, the meaning of the main sentence changes or becomes unclear. For instance,
The student who answered the question correctly passed the exam.
Here,
who answered the question correctly
tells us *which* student.
We don't use commas with defining clauses, and we can often use that instead of who or which.
In contrast, a non-defining relative clause adds extra, non-essential information. It's like a bonus detail. The sentence would still make sense and identify the noun without it.
These clauses are always set off by commas. For example,
My brother, who lives in London, is visiting next week.
The main point is
My brother is visiting next week.
The fact that he lives in London is just additional info. You *must* use who for people and which for things in non-defining clauses; that is never used.
For more formal contexts, especially in writing, we often place prepositions *before* the relative pronoun. Instead of saying
The colleague I spoke *to*
, formal English prefers
The colleague to whom I spoke.
Similarly,
The project *which I am working on*
becomes
The project on which I am working.
This structure elevates the formality and precision of your language.
Finally, to describe quantities within a previously mentioned group, we use relative clauses with quantifiers. These are also non-defining and use commas. We say
quantifier + of + whom/which.
For instance,
I invited ten friends to the party, all of whom accepted.
Or,
She bought three books, none of which she had read before.
This allows you to elegantly provide specific details about a subgroup, enriching your descriptions without creating separate sentences.

الأخطاء الشائعة

Learning to correctly add extra information is vital for your B1 English grammar, but it's easy to make a few common errors.
  1. 1✗ Using 'that' in non-defining clauses or forgetting commas.
✗ My car, that is red, is fast.
✓ My car, which is red, is fast.
*Explanation:* Non-defining clauses, which add extra, non-essential details, always use which (for things) or who (for people) and are separated by commas. 'That' is only for defining clauses.
  1. 1✗ Incorrectly placing prepositions in formal relative clauses.
✗ The person who I sent the email to was out of office.
✓ The person to whom I sent the email was out of office.
*Explanation:* In formal English, prepositions should precede whom (for people) or which (for things).
  1. 1✗ Not using 'of whom'/'of which' correctly with quantifiers.
✗ I have two brothers, both who live abroad.
✓ I have two brothers, both of whom live abroad.
*Explanation:* When quantifying a previously mentioned group in a non-defining clause, use
quantifier + of whom
(for people) or
quantifier + of which
(for things) after a comma.

محادثات حقيقية

A

A

Did you enjoy the concert last night?
B

B

Yes, it was fantastic! The lead singer, who has an incredible voice, really brought the house down. And the band, which had a new drummer, sounded tighter than ever.
A

A

"I'm finalizing the report for the CEO."
B

B

Right. Did you get the figures from Sarah?
A

A

Yes. The data, all of which was verified by her department, confirms our initial projections. The CEO, to whom I will present the findings directly, expects a thorough explanation.
A

A

Have you seen John recently?
B

B

"Oh, John? My old classmate, whom I haven't seen in ages, is actually coming to my party next week. He's bringing his new dog, which I hear is a Golden Retriever."

أسئلة شائعة

Q

When should I use 'which' instead of 'that' when adding extra information?

You use which when the information is extra, or non-essential, and set off by commas. For example,

The new office, which is on the third floor, has great views.
If the information is essential to identify the noun, you use that (or which without commas), like
The office that is on the third floor has great views.

Q

What's the main difference between to whom and who...to?

To whom is a formal structure where the preposition comes before the relative pronoun, typically used in written English or very formal speech (e.g.,

The client to whom I sent the email
). Who...to is an informal and more common structure in everyday spoken English (e.g.,
The client who I sent the email to
). Both are grammatically correct but convey different levels of formality.

Q

Can I use all of that or none of that instead of all of which or none of which?

While all of that or none of that can be used in some contexts, particularly informally, when referring back to a *previously mentioned noun or clause* as part of a non-defining relative clause, you should use

all of which
or
none of which.
For example,
She mentioned several problems, all of which need attention.

Q

Why are commas so important when adding extra information with relative clauses?

Commas are crucial because they signal whether the information is essential or non-essential. Using them correctly prevents misunderstandings and makes your writing clearer. Incorrect comma usage can completely change the meaning or make a sentence ungrammatical.

السياق الثقافي

Native English speakers use these patterns constantly, though often unconsciously. The more formal structures (like prepositions before whom/which and quantifiers) are far more common in written English – reports, academic papers, formal emails – than in casual conversation. In daily speech, speakers tend to opt for simpler, less formal constructions like splitting the preposition from the relative pronoun or rephrasing entirely.
Understanding this distinction helps you sound natural whether you're chatting with a friend or writing a professional document.

أمثلة رئيسية (2)

1

The profile that has the blue checkmark is the real one.

الملف الشخصي اللي عليه علامة التوثيق الزرقاء هو الحقيقي.

جمل الوصل: الفرق في المعنى بين المحددة وغير المحددة
2

My laptop, which I bought only last month, is already lagging.

اللابتوب بتاعي، اللي اشتريته الشهر اللي فات بس، بطيء بالفعل.

جمل الوصل: الفرق في المعنى بين المحددة وغير المحددة

نصائح وحيل (4)

🎯

خدعة الإشارة بالأصبع

لو قدرت تشاور على الشيء وتقول: THIS one!، يبقى دي جملة وصل محددة (Defining clause). ما تحتاج فواصل.
frontend.learn_grammar.from_rule: جمل الوصل: الفرق في المعنى بين المحددة وغير المحددة
💡

الفواصل هي دليلك

دايماً افتكر الفواصل! هي العلامة اللي بتقول إن المعلومة دي زيادة. لو شلت الجملة وفضل المعنى واضح، يبقى محتاج فواصل:
My house, which is blue, is big.
frontend.learn_grammar.from_rule: العبارات غير المحددة: إضافة معلومات إضافية (مع الفواصل)
💡

متى تستخدم 'Whom'

إذا كنت تستطيع استبدال الضمير بكلمة 'him' أو 'her'، فاستخدم 'whom'. فكر فيها هكذا: 'to him' تصبح to whom.
frontend.learn_grammar.from_rule: حروف الجر الرسمية في الجمل الوصلية (to whom, for which)
⚠️

الفاصلة هي المفتاح!

إياك تنسى الفاصلة قبل المحدد! هي اللي بتعرف القارئ إن دي معلومة إضافية، وبتحمي جملتك من إنها تكون طويلة ومربكة:
I have three sisters, all of whom are doctors.
frontend.learn_grammar.from_rule: جمل الوصل مع محددات الكمية (أيهم، أيهما)

المفردات الرئيسية (5)

clause a part of a sentence containing a verb define to explain the nature or meaning of something formal appropriate for official or serious situations quantifier a word expressing amount, like all or none preposition a word showing relationship like to, for, or with

Real-World Preview

users

Professional Introduction

Review Summary

  • Noun + that/who + verb
  • Noun, + which/who + verb, + rest
  • Prep + whom/which
  • Quantifier + of + whom/which

أخطاء شائعة

You don't need 'he' if 'who' already acts as the subject. The extra 'he' is redundant.

Wrong: My brother, who lives in Paris, he is a chef.
صحيح: My brother, who lives in Paris, is a chef.

When using a formal structure, the preposition moves to the front, and the object pronoun is removed.

Wrong: The person that I spoke to him was nice.
صحيح: The person to whom I spoke was nice.

Use 'which' or 'whom' to connect the clause to the main sentence, not 'them'.

Wrong: I have many books, all of them are new.
صحيح: I have many books, all of which are new.

القواعد في هذا الفصل (4)

Next Steps

You've unlocked a higher level of English precision! Keep practicing, and don't be afraid to use these structures in your daily writing.

Write a formal email to a professor describing your research interests.

تدريب سريع (5)

املأ الفراغ بـ 'that' أو 'which'. تذكر قاعدة الفواصل!

Tokyo, ___ is the capital of Japan, is a huge city.

✓ Correct! ✗ Not quite. Correct answer: which
هذه جملة وصل غير محددة (معلومة إضافية عن مكان فريد)، لذا يجب أن نستخدم 'which' ولا يمكن استخدام 'that' أبداً.

frontend.learn_grammar.from_rule: جمل الوصل: الفرق في المعنى بين المحددة وغير المحددة

لاقي الغلطة في الجملة دي وصلحها.

Find and fix the mistake:

The new cafe that has a rooftop terrace is very popular.

✓ Correct! ✗ Not quite. Correct answer: The new cafe, which has a rooftop terrace, is very popular.
الجملة بتوصف ميزة إضافية في المقهى، فلازم نستخدم فواصل وكلمة which بدل that.

frontend.learn_grammar.from_rule: العبارات غير المحددة: إضافة معلومات إضافية (مع الفواصل)

أي جملة تعني أن المتحدث لديه أكثر من أخ؟

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: My brother who lives in London is a doctor.
عدم وجود فواصل يعني أنها جملة وصل محددة (Defining clause)، وهذا يحدد *أي* أخ من بين عدة إخوة.

frontend.learn_grammar.from_rule: جمل الوصل: الفرق في المعنى بين المحددة وغير المحددة

ابحث عن الخطأ في هذه الجملة التي تتحدث عن شخص محدد ومعروف بالفعل.

Find and fix the mistake:

Mr. Smith that is my teacher is very kind.

✓ Correct! ✗ Not quite. Correct answer: Mr. Smith, who is my teacher, is very kind.
بما أننا نعرف اسمه، فالمعلومة إضافية. نحتاج إلى فواصل و 'who' بدلاً من 'that'.

frontend.learn_grammar.from_rule: جمل الوصل: الفرق في المعنى بين المحددة وغير المحددة

اختار ضمير الوصل وعلامة الترقيم الصح.

My best friend ___ is a brilliant artist, just had her first exhibition.

✓ Correct! ✗ Not quite. Correct answer: , who
بما إن 'صديقتي المقربة' شخص محدد، فالمعلومة إنها فنانة هي معلومة إضافية، عشان كده محتاجين فواصل و who للأشخاص.

frontend.learn_grammar.from_rule: العبارات غير المحددة: إضافة معلومات إضافية (مع الفواصل)

Score: /5

أسئلة شائعة (6)

جمل الوصل المحددة (Defining) بتحدد لك *أي* شيء بتتكلم عنه (أساسي ومهم جداً). أما جمل الوصل غير المحددة (Non-defining) فبتعطيك معلومة زيادة بس عن شيء أنت تعرفه بالفعل (إضافة).
دائماً استخدم الفواصل في جمل الوصل غير المحددة. هي كأنها أقواس حوالين المعلومة الإضافية، عشان تبين إنها مش أساسية.
ببساطة بتضيف معلومة «زيادة» عن اسم إحنا عارفينه أصلاً. فكر فيها كملحوظة جانبية، زي:
My mom, who is 50, loves tea.
أسهل طريقة هي الفواصل! دايماً بتلاقيها بين فاصلتين. ولو شلتها، الجملة هتفضل مفهومة:
Paris, which is in France, is beautiful.
كلمة 'who' تعمل كفاعل، بينما 'whom' تعمل كمفعول به. في الجمل الرسمية التي تبدأ بحرف جر، نستخدم 'whom' دائماً، مثل: to whom.
يساعدك على التواصل بدقة واحترافية، وهو ضروري في الكتابة الأكاديمية والعمل، مثل:
the report for which I was responsible
.