This is the present that he gave me for my birthday.
Do you know everybody who came to the party?
I still remember the night when I first came to the village?
This is the place where Chairman Mao once lived.
I don’t like people who talk much but do little.
The cars which are produced in Hubei Province sell very well.
She is the person that I met at the school gate yesterday.
The book that my grandmother gave me is called “The Great Escape”.
What’s the name of the young man whose sister is a doctor?
The girl whose father is a teacher studies very hard.
I’ll never forget the day when I first came to Beijing.
This is the house where I was born.
1. who 指人，在定语从句中作主语。例如：
The person who broke the window must pay for it.
The boy who is wearing the black jacket is very clever.
Do you know the young man (whom) we met at the gate?
Mr. Lee (whom) you want to see has come.
3. whose 指人，在定语从句中作定语。例如：
The girl whose mother is ill is staying at home today.
I know the boy whose father is a professor.
A dictionary is a book which gives the meaning of words.
Here is the book (which) the teacher mentioned yesterday.
I’ve read the newspaper that(which) carries the important news.
Who is the person that is reading the newspaper over there?
6. when 指时间，在定语从句中作状语。例如：
I’ll never forget the time when we worked on the farm.
He arrived in Beijing on the day when I left.
7. where 指地点，在定语从句中作状语。例如：
This is the house where we lived last year.
The factory where his father works is in the east of the city.
四. 关系代词whom，which 在定语从句中作介词宾语时，可以和介词一起放于先行词与定语从句之间，有时为了关系紧凑也可以将whom与which 与先行词紧挨着书写，而将介词置于定语从句的后面，如：
That was the room in which we had lived for ten years. = That was the room
which we had lived in for ten years.
1. 只能使用that,不用which 的情况：
(1) 先行词是all, few, little, nothing, everything, anything 等不定代词时。例如：
All that he said is true.
(2) 先行词被only, no, any, all,等词修饰时。例如：
He is the only foreigner that has been to that place.
He was the second (person) that told me the secret.
This is the best book (that) I have read this year.
He talked about the people and the things he remembered.
The meeting was put off, which was exactly what we wanted.
The thing about which he is talking is of great importance
---Does the teacher know everybody _______ planted the trees?
---Yes, he does.
A. which B. whose C. where D. who
The letter _______ I received from him yesterday is very important.
A. who B. where C. what D. that
---Where is the scientist ________ gave us the talk yesterday?
---He has gone back to Qinghua University.
A. whom B. who C. whose D. which
I hate people _______ talk much but do little.
A. whose B. whom C. which D. who