1．当先行词指人时，定语从句缺主语，用关系代词 ， 引导。如： The man gave a speech on TV is the president．
The boys are playing football are from Class One. He is the boy often goes to school late. The thief pretended to be a manager was caught stealing a car. This magazine belongs to the teacher teaches us history. 2．当先行词指人时，定语从句缺宾语，用关系代词 ， ， ， 引导。如：
The man you met just now is my friend. She is the old woman I saw this morning. This is the strange man I met yesterday．
3．当先行词指物时，定语从句缺主语，用关系代词 ， 引导。如：
Football is a game is liked by most boys.
The two buildings lay on the River Thames fell down last week. He bought a coat cost little．
4．当先行词指物时，定语从句缺宾语，用关系代词 ， ， ， 引
导。如：
The earthquake you were talking about sounded frightening/shocking. The building we are looking at used to be a hospital.
The car he bought yesterday is a secondhand one． 5．定语从句缺定语，用关系代词 引导。
This is the little girl parents were killed in the great earthquake． We live in a house windows open to the south．
The room window faces south is mine.
He has a friend father is a doctor.
I once lived in a house roof has fallen in.
The classroom door is broken will soon be repaired. 大混合：（1）Yesterday I helped an old man lost his way.
（2）Mr. Liu is the person you talked about on the bus. （3）Do you like the book color is yellow （4） Mr. Ling is just the boy I want to see.
（5）I once lived in a house roof has fallen in.
（6）The number of the people come to visit the city each year rises one million.
（7） Where is the man I saw this morning?
（8）The man gave a speech on TV is the president． （9）He has a friend father is a doctor.
（10）The classroom door is broken will soon be repaired. 单选练习：
1.The place _______interested me most was the Children's Palace.
A. Which B. where C. what D. in which
2．The man ________ coat is black is a cop.
A. who B. whose C. which D. that
3。 I've become good friends with several of the students in my school I met in the English speech contest last year. （10湖南28）
A. who B. where C. when D. which 4。（10山东24） That’s the new machine ______ parts are too small to be seen. A. that B. which C. whose D. What
5。陕西11）The old temple _______ roof was damaged in storm is now under repair. A. where B. which C. its D. Whose 6。（北京27） Children who are not active or diet is high in fat will gain weight quickly. A. what B. whose C. which D. that
7(09天津5)A person ______ e-mail account is full won’t be able to send or receive any e-mails. A. who B. whom C. whose D. whoever
8.(09湖南26)I was born in New Orleans, Louisiana, a city name will create a picture of beautiful
trees and green grass in our mind.
A. which B. of which C. that D. whose
9．The number of the people who _______ cars _______ increasing. A. owns; are B. owns; is C. own; is D. own; are
10．The great day we looked forward to __________ at last.
A. come B. came C. coming D. comes 合并句子构成定语从句：
（1）The boys are from Class One. The boys are playing football
The boys（ ） are from Class One. （2）I found the letter. The letter came yesterday.
I found The letter( ). （3）The man is my friend. You met the man just now
The man ( ) is my friend. （4）This is the pen. He bought the pen yesterday.
This is the pen ( ) （5）I helped the man. The man’s car was broken.
I helped the man ( ).
（6）I once lived in a house. The roof of the house has fallen in. I once lived in a house ( ).
6．.介词+关系代词引导的定语从句 ：介词+which\\whom
关系代词在定语从句中做介词宾语时，从句常由介词+关系代词引导 (1) The school ( ) he once studied in is very famous. (2) The school in he once studied is very famous.
(3) Tomorrow I will bring here a magazine ( ) you asked for. (4) Tomorrow I will bring here a magazine for you asked.
(5) We'll go to hear the famous singer ( ) we have often talked about. (6) We'll go to hear the famous singer about we have often talked. 、 （7）The earthquake you were talking sounded frightening.
注意： 含有介词的动词短语一般不拆开使用，如：look for, look after, take care of等 (1) This is the watch which/that I am looking for. (T) (2) This is the watch for which I am looking. (F) 巩固练习：
1. Good ad often uses words people attach positive meanings. A.in which B.to which C.which D.that
2. Tibet is a beautiful part of China, without ____our country would be incomplete.
A. it B. what C. where D. which
3. As a coach，you should know clearly about the direction _______your team should
develop．
A. to which B. in which C. on which D. for which
4．Both the family and the society exceptional children live are often the key to their -growth and development．
A．which B．what C．in which D．that
5．Safety in schools has been of great concern because of frequent reports about accidents _____ students got injured or killed while in school. A．in which B．for which C．which D．when
6.The English play my students acted at the New Year’s party was a great success.? A.for which B.at which? C.in which D.on which
7.Many people who had seen the film were afraid to go to the forest when they remembered the scenes people were eaten by the tiger. A.that B.by which? C.which D.in which
8.The schools themselves admit that not all children will be successful in the jobs they are being trained. A.in that B.for that C.in which D.for which 9.Mark was a student at this university from 1999 to 2003， he studied very hard and was made chairman of the Students’ Union.
A.during which time B.for which time?C.during whose time D.by that time 10.He was educated at the local high school， he went on to Beijing University.? A.after which B.after that? C.in which D.in that
11. By nine o’clock，all the Olympic torch bearers had reached the top of Mount Qomolangma， appeared a rare rainbow soon. A.of which B.on which C.from which D.above which
12.The house I grew up ________ has been taken down and replaced by an office building.
A. in it B. in C. in that D. in which
13.Gun control is a subject Americans have argued for a long time.
A. of which B. with which C. about which D. into which 14. The music drama， the pop singer Sha Baoliang starts，comes from the story of the“ Butterfly Lovers”. A.which B.of which C.who D.in which 15. is known to us all that the old scientist，for life was hard in the past，still works hard in his eighties. A.It; whom B.As; whom C.As; whose D.What; whom 16. Patience，without you can’t do the work well，is a kind of quality. A.that B.it C.which D.what
17.The National Education Department says that school safety has set off alarm bells with frequent reports of serious accidents students got injured or killed. A.that B.in which C.by which D.for whom
18.For many cities in the world，there is no room to spread out further， _______New York is an example. A. for which B. in which C. of which D. from which 19. If something is“ dog-eat-dog”，it is a situation people have to take care of
themselves and look after their own interests. A. on which B. in which C. by which 答案： B D B C AC D D A AD B C D AC B C B
定语从句中只用that不用which的情况：
D. for which
1．当先行词被the last , the very 和the only修饰时。
例如： This is the very pen that I am looking for. 这正是我找的钢笔。 The only book I want to read is missing. 我唯一想看的书不见了。 2．当先行词有序数词时。
例如： ．You are the first person that I want to ask for.你是我要见的第一个人。 This is the second book that I have ever written.这是我写的第二本书。 3．当先行词被all, every, no , some, few , little, much, both等修饰时，
例如： This is all that I want to say at the meeting.这就是我在会上要说的。 Have you any books that are worth reading? 你有值的看的书吗？ 4．当先行词既指人又指物时。
例如： The professor and his achievement that I heard about are admired by them .我听说的
那位教授和他的成就得到他们的赞美。
Let's talk about the persons and the things that we can remember.让我们谈论能够想起的人
和事。 5．当先行词为anything、everything、nothing时，关系代词用that,不用which；但用something
时，用which或者that均可。
例如： Everything we have seen in China is moving. 我们在中国看见的东西件件感人。 I have nothing that is worth reading. 我没有什么值得一读的东西。