雅思定語從句是什麼？相信很多人都想知道吧？以下是小編爲您整理的雅思定語從句相關資料，歡迎閱讀！
一、引導定語從句的關係詞
指代人
who，whom，that
指代事物
which，that, as
所屬關係
whose，of which
指地點
where
指時間
when
指原因
why
二、關係代詞that和which在很多情況下可以互換，但下列情況只用that。
All that can be done has been done.
Do you have anything that you don’t understand ?
There is little that can be believed about it .
The book doesn’t say much that amuses children.
先行詞是all ,everything,nothing,anything,something,much,little,none等不定代詞，引導定語從句用that 。
Hamburg is the most beautiful city that I’ve ever seen.
This is the best TV that is made in China.
The first museum that he visited in China was the History Museum.
先行詞被形容詞最高級或序數詞修飾時，引導定語從句用that 。
I’ve read all the books that you lent me.
No sample that we nave received is satisfactory.
Please send us any information that you have about the subject.
He is the only person that was present at the time.
先行詞被any,some,no,much,few,little,every,all,very,only,last修飾時，引導定語從句用that 。
The famous writer and his works that the radio broadcast have aroused great interest among the students.
A victim is a person,animal or thing that suffers pain,death,harm,etc.
先行詞中既有人又有事物時，引導定語從句用that .
Who that you have ever seen can do it better ?
Who that you are talking to is the young fellow ?
Who做先行詞時，引導定語從句用that 。
三、不用that，而用which，who，whom的情況
He made the same mistakes again ,which made his parents very angry.
Yesterday I bought a dictionary,which cost me more than 100 yuan .
Mr Smith,who gave a talk several months ago,will come again.
My uncle has come back from abroad,whom I haven’t met for along time.
在非限制性定語從句中，指事物用which，指人用who或whom。
Her bag ,in which she put all her money,has been stolen.
This is the ring on which she spent 1000 dollars.
Xiao Wang ,with which I went to the concert, enjoy it very much.
在介詞後面，指事物用which，指人用whom。
四、Where 引導的定語從句
先行詞是表示地點的名詞或含有地點意義的抽象名詞，用引導定語從句。從句做狀語。
This is the town where (= in which ) I spent my childhood.
The table where (= at which ) she is sitting is a new one.
I’ll show you the paint where you failed.
注意 1:
若定語從句缺主語或謂語，用which或that引導定語從句。
The library where students often study was on fire last night.
The library,which was built in the 1930s,needs repairing.
The library which you visited yesterday was built in 1990.
注意 2: 區分where引導的`定語從句和狀語從句
Where前面有被修飾的地點名詞時，是定語從句，否則是狀語從句。
When you read books ,you had better make a mark at the spot where you have any questions.
When you read books , you had better make a mark where you have any questions.
五、When 引導的定語從句
先行詞是表示時間的名詞，用when引導定語從句。從句作狀語。
I’ll never forget the day when (= on which ) I met you.
This was the time when ( =at which ) he left for Beijing .
We will put off the outing until next week, when we won’t be busy.
注意：
若定語從句缺主語或賓語，用which或that引導定語從句。
I’ll never forget the day when we first met in the park.
I’ll never forget the time which/that I sent on campus.
I’ll never forget the time which/that was spent with you.
六、why引導的定語從句
先行詞是表示原因的名詞，用引導定語從句。從句作狀語。
This is the reason why ( = for which ) I didn’t come here.
The reason which/that she gave was not true.
七、whose引導的定語從句
表示所屬關係。
The river whose banks are covered with trees flows ti the sea.
八、特別注意：如何判斷介詞
1、看定語從句中動詞與介詞的搭配
The girl for which he had fought all his life no longer seemed important to him.
He is the man on whom I think you can depend .
2、看定語從句中形容詞與介詞的搭配
He referred me to some reference books with which I am not very familiar.
Dolphins might be trained to cooperate with fishermen and help them by finding or even catching fish, in all of which activities dolphins are expert.
3、根據先行次判斷，所用的介詞與先行詞 搭配
The rate at which wild animals are being destroyed has increased.
This is our classroom ,in the front of which there is a teacher’s desk.
4、名詞/代詞/數詞+ of +which/whom
The committee consists of 20 members, 5 of whom are women.
The book contains 50 poems, most of which was written in 1930s.
There are two left, one of which is almost finished ,and the other of which is not quite.
I have a sentence , the meaning of which I don’t understand.
