B1 Relative Clauses 14 min read متوسط

ضمایر موصولی: 'Which' برای اشیاء

یادت باشه، which یه جور چسب قوی برای اضافه کردن اطلاعات مهم به «اشیا», «حیوانات», و «ایده‌ها» هستش.

Grammar Rule in 30 Seconds

Use 'which' to give more information about objects, animals, or ideas without starting a new sentence.

  • Use 'which' only for things and animals, never for people. Example: 'The book which I read.'
  • In non-defining clauses (extra info), always use a comma before 'which'. Example: 'My car, which is old, broke.'
  • In defining clauses (essential info), 'which' can often be replaced by 'that' in informal English.
Object + which + [Verb/Subject + Verb]

مرور کلی

تا حالا شده سعی کنی یه اپلیکیشن پر از باگ رو برای دوستت توضیح بدی بدون اینکه شبیه روبات به نظر بیای؟ احتمالا یه چیزی شبیه این گفتی:
I used that new food delivery app. The app crashed twice.
خب، این جمله درسته، ولی برای کسی در سطح تو یه کم ابتداییه.
تو که نمی‌خوای انگلیسی حرف زدنت مثل یه دفترچه راهنمای خشک و بی‌روح باشه، بلکه می‌خوای مثل تریلر فیلم‌های نتفلیکس جذاب و روان باشه! اینجاست که which وارد بازی می‌شه. این کلمه بهترین اتصال‌دهنده برای اشیاء، حیوانات و ایده‌هاست.
فکر کن which مثل یه چسبه که دو تا فکر مرتبط رو به هم می‌چسبونه تا بتونی داستانت رو بدون اینکه هر پنج ثانیه یک بار نقطه بذاری و متوقف بشی، تعریف کنی. این کلمه دو تا جمله خسته‌کننده رو به یک فکر سطح بالا تبدیل می‌کنه که باعث می‌شه جوری به نظر بیای که انگار واقعا یه سال توی لندن یا نیویورک زندگی کردی.
استفاده از which یعنی اضافه کردن یه طعم و مزه جدید به اسم‌هات. توی دنیای گرامر، ما بهش می‌گیم ضمیر موصولی (relative pronoun). اما تو می‌تونی فقط به عنوان یه «اشاره‌گر» بهش فکر کنی.
در حالی که who فقط برای اکیپ رفقا و خانواده‌ت استفاده می‌شه، which بقیه چیزها رو هندل می‌کنه؛ از آیفونت گرفته تا اون گربه ولگرد محله‌تون، یا حتی اون حس پوچی عجیبی که دوشنبه صبح‌ها داری، یا اون ویدیو تیک‌تاکی که همش تو فکرته. این کلمه بهت اجازه میده بدون اینکه یه جمله کاملا جدید رو شروع کنی، اطلاعات بیشتری درباره یک شیء بدی. توی انگلیسی، ما ازش استفاده می‌کنیم تا مشخص کنیم دقیقا داریم درباره کدوم چیز حرف می‌زنیم، یا اینکه یه فکت «اضافی» بدیم که شاید خیلی ضروری نباشه ولی قطعا جالبه.
مثل دکمه 'Edit' روی یه پست می‌مونه؛ بهت اجازه می‌ده برگردی توی جمله و جزئیاتی که یادت رفته بود رو اضافه کنی. فقط حواست باشه برای آدم‌ها ازش استفاده نکنی، وگرنه بهترین دوستت حس می‌کنه یه توستره!

این گرامر چطور کار می‌کنه

در اصل، which جایگزین یه اسم می‌شه. به جای اینکه اسم رو توی بخش دوم جمله‌ت تکرار کنی، جاش رو با which عوض می‌کنی. فرض کن دو تا ایده داری:
The laptop is on the table
و
The laptop is broken
.
به جای اینکه the laptop رو تکرار کنی، می‌گی:
The laptop, which is on the table, is broken.
می‌بینی؟ چقدر روان‌تر شد. ما به دو روش اصلی از این استفاده می‌کنیم.
اول، حالت «تعریف‌کننده» (defining) که دقیقا می‌گی منظورت کدوم مورده:
The game which I bought yesterday is amazing.
دوم، حالت «توصیفی» یا غیرضروری (non-defining) که یه سری اطلاعات اضافی میدی که اگه نباشن هم آسمون به زمین نمیاد:
My car, which is ten years old, still runs perfectly.
اون ویرگول‌ها رو می‌بینی؟ اونا مثل دستگیره‌های کوچیکی هستن که اجازه میدن اطلاعات اضافی رو برداری و اگه خواستی بندازی دور. اگه اطلاعاتت فقط در حد یه نظر «راستی اینم بگم» هست، از ویرگول استفاده کن.
اگه اون اطلاعات برای اینکه بفهمیم داری درباره چی حرف می‌زنی حیاتیه، ویرگول‌ها رو بذار کنار. همچنین، which گاهی می‌تونه به کلِ یک موقعیت اشاره کنه:
He forgot my birthday, which was really annoying.
اینجا which فقط به روز تولد اشاره نداره، بلکه به این حقیقت که «او تولدم رو فراموش کرد» اشاره می‌کنه. در واقع این ضمیرِ مخصوصِ «درام» ساختنه!

الگوی ساخت

1
ساختن یه جمله با which مثل چیدن یه ست لگو هست. فقط کافیه ترتیب درست رو رعایت کنی:
2
با اسم اصلی شروع کن (همون چیزی که می‌خوای درباره‌ش حرف بزنی).
3
(اختیاری) اگه فقط داری اطلاعات اضافی و غیرضروری میدی، یه ویرگول بذار.
4
کلمه which رو بلافاصله بعد از اسم بیار.
5
در ادامه عمل یا توصیف رو بیار (فعل و بقیه جزئیات).
6
(اختیاری) اگه جمله‌ت هنوز ادامه داره، باکس «اطلاعات اضافی» رو با یه ویرگول دیگه ببند.
7
فکر اصلی‌ت رو تموم کن.
8
مثال:
The pizza (1), which (3) had pineapple on it (4), was delicious (6).
9
یادت باشه: عبارت which باید تا جای ممکن نزدیک به اسم بشینه. اگه خیلی ازش دورش کنی، ممکنه مردم گیج بشن که داری چی رو توصیف می‌کنی. مثلا نگو
I saw a cat in the car which was blue.
الان گربه آبی بود یا ماشین؟ مگه اینکه گربه فیلم آواتار باشه، احتمالا منظورت ماشین بوده!

کی استفاده کنیم

هر وقت خواستی یه شیء رو مشخص کنی یا بدون تکرار مکررات یه جزئیات اضافه کنی، برو سراغ which. این کلمه برای این جاها عالیه:
  • کپشن‌های سوشال مدیا:
    The view, which took my breath away, was worth the hike.
  • نقد و بررسی محصول:
    The headphones, which I ordered on Amazon, arrived broken.
  • ایمیل‌های کاری:
    The report, which contains the final data, is attached below.
  • داستان‌سرایی:
    We stayed in a hotel which used to be a haunted castle.
  • شفاف‌سازی انتخاب‌ها:
    Which is the movie which you wanted to see?
    (صبر کن، اینجا دو تا which داریم! کاملا قانونیه، هرچند شاید یه کم تکراری به نظر بیاد؛ می‌تونی برای یکیشون از that استفاده کنی تا طبیعی‌تر شنیده بشه).
همچنین این کلمه انتخاب اول برای نوشته‌های رسمیه. در حالی که that توی حرف زدن‌های معمولی خیلی رایجه، which یه کم حس «دانشجویی که داره پایان‌نامه می‌نویسه» یا «مدیری که داره ارائه میده» رو داره. اگه داری یه نامه رسمی یا مقاله می‌نویسی، which بهترین دوستته.
توی چت و اس‌ام‌اس؟ می‌تونی استفاده کنی ولی سعی کن صمیمی بمونی:
The coffee which I just spilled is all over my white shirt. FML.

اشتباهات رایج

حتی زبان‌آموزهای حرفه‌ای هم گاهی توی این موارد سوتی می‌دن، پس اگه تو هم اشتباه کردی اصلا نگران نباش.
  • اشتباه انسانی: استفاده از which برای آدم‌ها.
    The teacher which is nice.
    ✗ غلطه! از who استفاده کن. مگه اینکه معلمت هولوگرام باشه، در غیر این صورت لیاقت یه who رو داره.
  • ترومای ویرگول: فراموش کردن ویرگول برای اطلاعات اضافی.
    My phone which is a Samsung is new.
    اگه تو فقط یه گوشی داری، باید ویرگول بذاری:
    My phone, which is a Samsung, is new.
    بدون ویرگول، جوری به نظر میاد که انگار پنج تا گوشی داری و داری دقیقا اون یکی که سامسونگه رو مشخص می‌کنی.
  • فاعل دوبل: اضافه کردن یه ضمیر اضافی.
    The book which I read it was good.
    ✗ نه! خودِ which قبلا جایگزین 'it' شده. توی استفاده از ضمیرها طمع نکن.
  • Which در مقابل What: استفاده از what به جای which.
    The movie what I saw.
    ✗ این خیلی شبیه غیرنیتیوها یا لهجه‌های خیلی خاصه. برای اشیاء همون which یا that رو بچسب.
  • فاصله زیاد: گذاشتن کلمات خیلی زیاد بین اسم و which. این دو تا رو نزدیک هم نگه دار، انگار توی اولین قرار عاشقونه‌شون هستن و واقعا از هم خوششون میاد!

مقایسه با الگوهای مشابه

بزرگترین رقیب which کلمه that هست. در خیلی از موارد، مخصوصا توی انگلیسی آمریکایی، مردم اینا رو به جای هم استفاده می‌کنن.
The car that I want
یا
The car which I want.
هر دو درستن.
اما یه قانون مخفی وجود داره: تو فقط می‌تونی از which برای عبارات توصیفی (اونایی که ویرگول دارن) استفاده کنی. نمی‌تونی بگی
My house, that is red, is on the corner.
✗ این اصلا خوب شنیده نمی‌شه. حتما باید which باشه.
یه تفاوت دیگه با who هست. همون‌طور که گفتیم، who برای آدم‌هاست و which برای اشیاء. حیوانات یه جورایی توی منطقه خاکستری هستن. اگه سگ خونگی خودته که اسمش اسپارکیه، از who استفاده کن. اون عضو خانواده‌ست! اما اگه یه کبوتر رندوم توی پارک رو میگی، از which استفاده کن.
در نهایت، مقایسه‌ش کن با where. کلمه where برای مکان‌هاست، اما اگه یه حرف اضافه اضافه کنی، می‌تونی از which استفاده کنی.
The house where I live
دقیقا معادل
The house in which I live
هست.
دومی خیلی رسمیه؛ یه جورایی حس سریال 'Downton Abbey' رو میده. اکثر مردم فقط می‌گن
The house I live in
، اما which وقتی بهش نیاز داری اون کلاس و دیسیپلین خاص رو بهت میده.

سؤالات رایج

Q

می‌تونم با which جمله سوالی شروع کنم؟

بله، ولی اون یه وظیفه دیگه‌ست!

Which one do you want?
اینجا یه ضمیر پرسشیه. اما which که اینجا یاد گرفتیم یه ضمیر موصولیه که برای چسبوندن جمله‌ها به هم استفاده می‌شه.

Q

کلمه which از that رسمی‌تره؟

کلا بله. توی چت‌های صمیمی، مردم معمولا از that استفاده می‌کنن یا کلا ضمیر رو حذف می‌کنن.

The book I read
رایج‌تر از
The book which I read
هست.

Q

آیا which می‌تونه به یک جمله کامل اشاره کنه؟

صد در صد!

It rained all day, which ruined our picnic.
اینجا which به کلِ این حقیقت که تمام روز بارون بارید اشاره داره.

Q

همیشه قبل از which به ویرگول نیاز دارم؟

نه همیشه. فقط وقتی که اطلاعات «اضافی» باشه و اگه حذفش کنی جمله باز هم معنی بده.

Q

اگه دارم درباره یه شرکت حرف می‌زنم چی؟

شرکت‌ها معمولا به عنوان «اشیاء» در نظر گرفته می‌شن، پس از which استفاده کن.

The company, which was founded in 2010, is now a global giant.

Q

می‌تونم برای حیوان خونگی از which استفاده کنم؟

اگه می‌خوای خیلی سرد و بی‌احساس به نظر بیای، بله. اگه دوسشون داری، از who استفاده کن.

Using 'Which' in Different Roles

Role Structure Example Notes
Subject
Noun + which + Verb
The car which crashed...
'Which' acts as the subject.
Object
Noun + which + Subject + Verb
The car which I bought...
'Which' acts as the object.
With Preposition (Formal)
Noun + Prep + which + Subj + Verb
The house in which I live...
Common in formal writing.
With Preposition (Informal)
Noun + which + Subj + Verb + Prep
The house which I live in...
Common in spoken English.
Sentential
Clause + , + which + Verb
It rained, which was bad.
Refers to the whole situation.

Meanings

A relative pronoun used to introduce a relative clause that provides additional information about a noun that is not a person (objects, animals, concepts, or whole situations).

1

Defining Relative Clause

Used to identify exactly which object we are talking about. The information is essential to the sentence.

“The umbrella which I lost yesterday was blue.”

“Where is the letter which arrived this morning?”

2

Non-Defining Relative Clause

Used to add extra, non-essential information about an object. It is always separated by commas.

“My house, which was built in 1920, needs repairs.”

“The movie, which lasted three hours, was very boring.”

3

Sentential Relative Clause

Used to refer back to the entire previous clause or sentence rather than just a single noun.

“He arrived late, which annoyed everyone.”

“She passed the exam, which was a huge relief.”

Reference Table

Reference table for ضمایر موصولی: 'Which' برای اشیاء
ضمیر به چی اشاره می‌کنه؟ نقش مثال
who
آدم‌ها
فاعل/مفعول جمله پیرو
The student `who` passed.
which
اشیا، حیوانات، ایده‌ها
فاعل/مفعول جمله پیرو
The book `which` I read.
that
آدم‌ها، اشیا، حیوانات، ایده‌ها
فاعل/مفعول جمله پیرو
The car `that` broke down.
whom
آدم‌ها (مفعول رسمی)
مفعول جمله پیرو (رسمی)
The person `whom` I met.
whose
مالکیت (آدم‌ها/اشیا)
ملکی
The artist `whose` work I admire.

طیف رسمیت

رسمی
The vehicle which was acquired last month is performing well.

The vehicle which was acquired last month is performing well. (Purchasing a car)

خنثی
The car which I bought last month is running great.

The car which I bought last month is running great. (Purchasing a car)

غیر رسمی
The car I got last month is great.

The car I got last month is great. (Purchasing a car)

عامیانه
That ride which I copped is fire.

That ride which I copped is fire. (Purchasing a car)

فهم 'Which'

`Which`

اشاره به

  • Things اشیا بی‌جان
  • Animals حیوانات اهلی، حیات وحش
  • Ideas مفاهیم، برنامه‌ها

نقش

  • جمله‌ها رو وصل می‌کنه اطلاعات توصیفی رو بهم پیوند میده
  • جزئیات اضافه می‌کنه اطلاعات ضروری یا اضافی میده
  • از تکرار جلوگیری می‌کنه اسم رو تو جمله دوم جایگزین می‌کنه

ساختار گرامری

  • `اسم + which + جمله پیرو` الگوی استاندارد
  • فاعل/مفعول می‌تونه هر دو نقش رو داشته باشه
  • جمله‌های تعریف‌کننده اطلاعات ضروری

`Who` در برابر `Which` در برابر `That`

`Who`
The person `who` called. اشاره به آدم‌ها
She's the friend `who` helped. فقط برای افراد/گروه‌ها
`Which`
The book `which` I read. اشاره به اشیا، حیوانات، ایده‌ها
The dog `which` barked. می‌تونه تعریف‌کننده یا توضیحی باشه
`That`
The car `that` broke down. می‌تونه به آدم‌ها، اشیا، حیوانات، ایده‌ها اشاره کنه
The student `that` passed. معمولاً جمله‌های تعریف‌کننده

انتخاب ضمیر موصولی مناسب برای یک شیء

1

آیا اسم، یک شخص است؟

YES
از `who` یا `that` استفاده کن
NO
ادامه بده
2

آیا اسم، یک شیء، حیوان، یا ایده است؟

YES
از `which` (یا `that`) استفاده کن
NO
اسمت رو دوباره بررسی کن
3

آیا اطلاعات برای شناسایی اسم ضروری است؟

YES
از `which` (بدون کاما) استفاده کن
NO
از `which` (با کاما) برای اطلاعات اضافی استفاده کن (موضوع B2+)
4

آیا ضمیر موصولی، فاعل جمله پیرو است؟

YES
`which` را نگه دار (قابل حذف نیست)
NO
می‌تونی `which` رو حذف کنی (موضوع B2+)

کاربرد 'Which' در موقعیت‌های مدرن

💬

مکالمات آنلاین

  • پیام دادن به دوستان
  • چت صوتی بازی
  • نظرات آنلاین
🏠

زندگی روزمره

  • سفارش غذا (اپلیکیشن‌ها)
  • گفتگوهای کافیشاپ
  • توضیح مشکلات
📚

دانشگاهی/حرفه‌ای

  • پروژه‌های گروهی دانشگاه
  • مصاحبه‌های شغلی در زوم
  • گزارش‌ها/ارائه‌ها
🎬

سرگرمی

  • زیرنویس نتفلیکس
  • بحث درباره فیلم/سریال
  • کپشن اینستاگرام/تیک‌تاک

مثال‌ها بر اساس سطح

1

I have a car which is red.

I have a car which is red.

2

This is the book which I like.

This is the book which I like.

3

The dog which is in the garden is mine.

The dog which is in the garden is mine.

4

I want the cake which has chocolate.

I want the cake which has chocolate.

1

The phone which I bought yesterday is broken.

The phone which I bought yesterday is broken.

2

Is this the bus which goes to the airport?

Is this the bus which goes to the airport?

3

I lost the keys which were on the table.

I lost the keys which were on the table.

4

The movie which we saw was very funny.

The movie which we saw was very funny.

1

My computer, which is quite old, is very slow.

My computer, which is quite old, is very slow.

2

He forgot my birthday, which made me sad.

He forgot my birthday, which made me sad.

3

The hotel which we stayed in was near the beach.

The hotel which we stayed in was near the beach.

4

I need a job which allows me to work from home.

I need a job which allows me to work from home.

1

The document to which you are referring is lost.

The document to which you are referring is lost.

2

The city, which was founded in 1200, is famous for its art.

The city, which was founded in 1200, is famous for its art.

3

They offered me a promotion, which I immediately accepted.

They offered me a promotion, which I immediately accepted.

4

The criteria by which we judge success are changing.

The criteria by which we judge success are changing.

1

The proposal, the merits of which are debatable, was rejected.

The proposal, the merits of which are debatable, was rejected.

2

He was late for the meeting, which fact he failed to mention.

He was late for the meeting, which fact he failed to mention.

3

The system, which had been failing for years, finally collapsed.

The system, which had been failing for years, finally collapsed.

4

It was a decision from which there was no turning back.

It was a decision from which there was no turning back.

1

The treaty, the signing of which heralded a new era, was brief.

The treaty, the signing of which heralded a new era, was brief.

2

She argued that the law was unjust, which view was widely shared.

She argued that the law was unjust, which view was widely shared.

3

The company went bankrupt, which outcome surprised no one.

The company went bankrupt, which outcome surprised no one.

4

We reached the summit at noon, by which time the fog had lifted.

We reached the summit at noon, by which time the fog had lifted.

به‌راحتی اشتباه گرفته می‌شود

Relative Pronouns: 'Which' for Things در مقابل Which vs. That

Learners often use 'that' after a comma or 'which' without a comma when they shouldn't.

Relative Pronouns: 'Which' for Things در مقابل Which vs. Who

Using 'which' for people or 'who' for objects.

Relative Pronouns: 'Which' for Things در مقابل Which vs. What

Using 'what' to join two sentences.

اشتباهات رایج

The man which is tall.

The man who is tall.

Use 'who' for people, not 'which'.

The book it is good.

The book which is good.

When joining sentences, 'which' replaces 'it'.

I like the cat who is black.

I like the cat which is black.

Animals usually take 'which' unless they are pets with names.

The car which it is red.

The car which is red.

Don't use a double subject ('which' and 'it').

The movie what I saw.

The movie which I saw.

Don't use 'what' as a relative pronoun.

The pen which I write with it.

The pen which I write with.

Remove the object pronoun 'it' at the end.

The house where I bought.

The house which I bought.

Use 'which' for objects, 'where' for locations only if you are talking about the place *in* which something happens.

My car, that is old, broke down.

My car, which is old, broke down.

You cannot use 'that' in non-defining clauses (with commas).

He was late that was annoying.

He was late, which was annoying.

Use 'which' to refer to a whole situation.

The city which I live is big.

The city which I live in is big.

Don't forget the preposition if the verb needs one.

The company who's profits are high.

The company, the profits of which are high.

In very formal English, 'of which' is preferred for inanimate objects over 'whose'.

الگوهای جمله‌سازی

I have a ___ which ___.

The ___ which I ___ is ___.

My ___, which is ___, is ___.

___, which meant that ___.

Real World Usage

Online Shopping very common

I want to return the shoes which I ordered last week.

Job Interviews common

I am looking for a role which offers growth opportunities.

Texting Friends constant

I lost my phone, which is why I didn't call.

Travel/Tourism common

Is this the museum which has the Picasso paintings?

Technical Support occasional

Click the button which is located in the top right corner.

Social Media very common

Check out this sunset, which was taken without a filter!

💡

برای وضوح بیشتر با Which

وقتی می‌خوای دقیقاً بگی منظورت کدوم یکی از بین چند تا شیئه، از which استفاده کن. اینطوری جمله‌ت کاملاً واضح میشه و سوءتفاهمی پیش نمیاد:
I want the shoes which are on the top shelf.
⚠️

با Which سراغ آدم‌ها نرو!

هیچ‌وقت برای اشاره به آدم‌ها از which استفاده نکن! این یه اشتباه خیلی رایجه. برای افراد، گروه‌ها یا مشاغل، همیشه باید who یا that رو به کار ببری:
The girl who is sitting over there is my sister.
🎯

گاهی اوقات میشه Which رو حذف کرد

بعضی وقتا می‌تونی whichthat) رو حذف کنی، مخصوصاً وقتی مفعول جمله پیرو باشه، نه فاعل. مثلاً:
The movie (which) I watched...
ولی اگه فاعل باشه، باید حتماً باشه:
The movie which was great...
🌍

رسمی یا غیررسمی؟

اگه which با حرف اضافه بیاد (مثل
the device with which
), تو نوشته‌های رسمی درسته. ولی تو مکالمه‌های روزمره، معمولاً حرف اضافه رو می‌ندازن آخر جمله:
The device which he fixed with.
💡

فکر کن: 'شیء، حیوان، ایده'

هر وقت شک کردی که باید who استفاده کنی یا which، از خودت بپرس: «آیا این یه آدمه؟» اگه نه، پس به احتمال زیاد which درسته. همین قدر ساده:
I saw a cat which was black.

Smart Tips

Use 'which' instead of 'that' to sound more professional and precise.

I received the file that you sent. I received the file which you sent.

Use ', which' at the end of your sentence to share your opinion.

I passed the test. I am happy. I passed the test, which makes me very happy.

Never use 'that' after a comma in a relative clause. It's always 'which'.

My car, that is blue, is fast. My car, which is blue, is fast.

Try removing 'which' to see if the sentence sounds more natural in speech.

The movie which I saw was great. The movie I saw was great.

تلفظ

/wɪtʃ/

The 'wh' sound

In most modern English dialects, 'which' is pronounced exactly like 'witch' /wɪtʃ/. Some older or regional dialects (like Scottish) might use a voiceless 'w' /hw/.

My car [pause] which is old [pause] broke.

Comma Intonation

In non-defining clauses, there is a slight drop in pitch and a brief pause where the commas are.

Non-defining drop

The cake, ↘ which was chocolate, ↗ was eaten.

The information inside the commas is parenthetical (extra).

حفظ کنید

روش یادسپاری

W-H-I-C-H: Whatever Has Inanimate Characteristics Here.

تداعی تصویری

Imagine a giant question mark (?) turning into a bridge. The bridge connects a box (the object) to a label (the description). The bridge is made of the letters W-H-I-C-H.

Rhyme

For a person use 'who', for a thing 'which' will do.

Story

A robot named 'Which' only collects objects. He picks up a 'ball which is round' and a 'box which is heavy'. He never picks up people because he doesn't understand 'who' they are.

شبکه واژگان

ObjectAnimalIdeaCommaRelativeClauseConnector

چالش

Look around your room. Pick 5 objects and describe them using 'which'. (e.g., 'The chair which is near the window is brown.')

نکات فرهنگی

American style guides (like APA or Chicago) are very strict about using 'that' for defining clauses and 'which' only for non-defining clauses.

British English is more flexible. It is very common to hear 'which' used in defining clauses where an American would almost always use 'that'.

In academic writing globally, 'which' is preferred for its precision, especially when used with prepositions like 'in which' or 'by which'.

From Old English 'hwilc', which was originally a question word meaning 'of what form'.

شروع‌کننده‌های مکالمه

What is a movie which you have seen many times?

Tell me about a hobby which you started recently.

Describe a city which you would love to visit.

Think of a problem in your town which needs to be fixed.

موضوعات نگارش

Write about three objects in your house which are very important to you. Explain why.
Describe a difficult situation you faced recently, which had a surprising outcome.
Compare two technologies which have changed the world. Use both defining and non-defining clauses.
Write a formal letter complaining about a product which did not meet your expectations.

اشتباهات رایج

Incorrect

صحیح


Incorrect

صحیح


Incorrect

صحیح


Incorrect

صحیح

Test Yourself

شکل درست رو انتخاب کن.

I need the book ___ is on the top shelf.

✓ Correct! ✗ Not quite. Correct answer: which
کتاب یه شیء هست، بنابراین which ضمیر موصولی درسته.
اشتباه رو پیدا کن و درستش کن. Error Correction

Find and fix the mistake:

The person which called me was very rude.

✓ Correct! ✗ Not quite. Correct answer: The person who called me was very rude.
which برای اشیا، حیوانات یا ایده‌ها استفاده میشه. برای آدم‌ها باید از who استفاده کنی.
کدوم جمله درسته؟ چند گزینه‌ای

جمله درست رو انتخاب کن:

✓ Correct! ✗ Not quite. Correct answer: The car which broke down needed repairs.
which به درستی به 'the car' اشاره می‌کنه که یه شیء بی‌جانه، و جمله پیرو بلافاصله بعد از اسم میاد.
جمله انگلیسی درست رو بنویس. ترجمه

Translate into English: 'Vi la película que ganó el premio.'

Answer starts with: ["I...

✓ Correct! ✗ Not quite. Correct answer: ["I saw the movie which won the award.","I saw the film which won the award."]
فیلم یه شیء هست، پس which برای معرفی جمله پیرو که اون رو توصیف می‌کنه، استفاده میشه.

Score: /4

تمرین‌های عملی

8 exercises
Choose the correct relative pronoun. چند گزینه‌ای

The car ___ I bought is very fast.

✓ Correct! ✗ Not quite. Correct answer: which
We use 'which' for objects like cars.
Find and fix the mistake. Error Correction

Find and fix the mistake:

The man which lives next door is a doctor.

✓ Correct! ✗ Not quite. Correct answer: The man who lives next door is a doctor.
You must use 'who' for people.
Fill in the blank with 'which' and a comma if necessary.

My bike ___ is in the garage is broken.

✓ Correct! ✗ Not quite. Correct answer: which
This is a defining clause (identifying which bike), so no comma is needed.
Combine the sentences using 'which'. Sentence Transformation

I have a new phone. It has a great camera.

✓ Correct! ✗ Not quite. Correct answer: I have a new phone which has a great camera.
'Which' replaces 'it' and acts as the subject.
Is the following sentence grammatically correct? True False Rule

Paris, that is the capital of France, is beautiful.

✓ Correct! ✗ Not quite. Correct answer: False
You cannot use 'that' in a non-defining clause (between commas). You must use 'which'.
Complete the dialogue. Dialogue Completion

A: Why are you upset? B: I lost my wallet, ___.

✓ Correct! ✗ Not quite. Correct answer: which was annoying
Use a sentential relative clause to comment on the situation.
Which sentence is a 'Non-Defining' clause? Grammar Sorting

Select the non-defining clause.

✓ Correct! ✗ Not quite. Correct answer: The book, which I read yesterday, was good.
Non-defining clauses use commas and provide extra info.
Match the start and end of the sentences. جفت کردن

1. The house... 2. He lied... 3. The dog...

✓ Correct! ✗ Not quite. Correct answer: 1-which I built, 2-which was sad, 3-which barked
All these antecedents (house, situation, dog) take 'which'.

Score: /8

Practice Bank

13 exercises
شکل درست رو انتخاب کن. پر کردن جای خالی

The laptop ___ I use for work is very fast.

✓ Correct! ✗ Not quite. Correct answer: which
کدوم جمله درسته؟ چند گزینه‌ای

جمله درست رو انتخاب کن:

✓ Correct! ✗ Not quite. Correct answer: This is the song which makes me happy.
شکل درست رو انتخاب کن. پر کردن جای خالی

Do you know the café ___ has outdoor seating?

✓ Correct! ✗ Not quite. Correct answer: which
اسم رو با ضمیر موصولی درست مطابقت بده: جفت کردن

فاعل‌ها رو با شکل درست مطابقت بده:

✓ Correct! ✗ Not quite. Correct answer: matched
اشتباه رو پیدا کن و درستش کن. Error Correction

The movie, who was nominated for an Oscar, is streaming now.

✓ Correct! ✗ Not quite. Correct answer: The movie, which was nominated for an Oscar, is streaming now.
جمله انگلیسی درست رو بنویس. ترجمه

Translate into English: 'Ella tiene un perro que siempre duerme en su cama.'

✓ Correct! ✗ Not quite. Correct answer: ["She has a dog which always sleeps on her bed.","She has a dog that always sleeps on her bed."]
کلمه‌ها رو مرتب کن. Sentence Reorder

این کلمه‌ها رو تو یه جمله مرتب کن:

✓ Correct! ✗ Not quite. Correct answer: The book which I recommend is great.
شکل درست رو انتخاب کن. پر کردن جای خالی

The concept ___ he explained was quite complex.

✓ Correct! ✗ Not quite. Correct answer: which
اشتباه رو پیدا کن و درستش کن. Error Correction

I found the keys was under the couch.

✓ Correct! ✗ Not quite. Correct answer: I found the keys which were under the couch.
کلمه‌ها رو مرتب کن. Sentence Reorder

این کلمه‌ها رو تو یه جمله مرتب کن:

✓ Correct! ✗ Not quite. Correct answer: The reason for which he gave the explanation was not clear.
جمله انگلیسی درست رو بنویس. ترجمه

Translate into English: 'El software, sin el cual no podemos operar, requiere una actualización.'

✓ Correct! ✗ Not quite. Correct answer: ["The software, without which we cannot operate, requires an update."]
کدوم جمله بیشترین استفاده رسمی رو از 'which' نشون میده؟ چند گزینه‌ای

کدوم جمله بیشترین استفاده رسمی رو از 'which' نشون میده؟

✓ Correct! ✗ Not quite. Correct answer: The report, for which the deadline passed, was approved.
اشتباه رو پیدا کن و درستش کن. Error Correction

The painting, you bought, is beautiful.

✓ Correct! ✗ Not quite. Correct answer: The painting, which you bought, is beautiful.

Score: /13

سوالات متداول (8)

No, 'which' is strictly for things, animals, and ideas. For people, always use `who` or `whom`.

Use a comma if the information is 'extra' (non-defining). If the information is essential to identify the object, don't use a comma.

In American English, `that` is preferred for essential information. In British English, both are fine. However, only `which` can be used for extra information after a comma.

Yes, but only if it is the object of the clause (e.g., 'The book (which) I bought'). If it is the subject (e.g., 'The book which is on the table'), you must keep it.

It's when `which` refers to the whole previous sentence, not just one word. Example: 'He won, which surprised us.'

Yes, 'which' is the standard pronoun for animals. However, if the animal is a pet with a name, many people use `who`.

It is slightly more formal than `that` in defining clauses, but it is neutral in most other contexts.

It is a formal way to show possession for things. Example: 'The car, the door of which was open...' (Instead of 'whose door').

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish moderate

que / el cual

English distinguishes between 'who' (people) and 'which' (things), whereas Spanish often uses 'que' for both.

French moderate

qui / que / lequel

French relative pronouns change based on grammatical function (subject/object) rather than person/thing.

German partial

der / die / das / welcher

German relative pronouns have gender (masculine/feminine/neuter), while English 'which' is gender-neutral.

Japanese none

Attributive form

Japanese uses word order (modifier before noun) instead of a connecting word like 'which'.

Arabic partial

al-ladhi (الذي)

English 'which' is much simpler as it doesn't change for number or gender.

Chinese low

de (的)

The structure is reversed: [Description] + de + [Noun].

Learning Path

Prerequisites

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