1、引导作用 2、替代作用 3、在定语从句中担当某个成分的作用
that Which Who Whom whose
关系代词的用法
指代
人；物 物
人 人 人、物
所作成分 是否可省 略
主语；宾语 作宾语可省
主语；宾语 作宾语可省
主语；宾语 作宾语可省
宾语
可省
定语
不可省
关系副词的用法
When Where
why
关系副词when, where, why的用法
.This is the factory where my father once worked.
This is the factory in which my father once worked.
Summarize:
在定语从句中关系副词都等于一个适当的介 词加上which，在从句中作状语
When=in/at/on/…+which; Where=in/at/on/…+which; Why=for /…+which
• 关系副词when, where和关系代词that, which的区分
同样是修饰一个地点，有时使用where，有时使用that/which； 同样是修饰一个时间，有时使用when， 有时使用that/which
• 13.This is the pen which he bought yesterday.
• 14.The film which they went to see last night was not interesting at all.
• 10.Football is a game which is liked by most boys.
• 11.The factory which makes computers is far away from here.
• 12. He likes to read books which are written by foreign writers.
• 4.Yesterday I helped an old man who had lost his way.
• 5.Mr Liu is the person whom you talked about on the bus.
• 6.Li Ming is just the boy whom I want to see.
• 7.The professor whom you are waiting for has come.
• 8.The girl whom the teacher often praises is our monitor.
• 9.The man whom you met just now is my old friend.
This is the village where I was brought up.
Summarize: 只能用that引导定语从句的几种情 况
1)先行词被序数词或形容词最高级所修饰时。
2）先行词被the only,the very,the same,the last修饰时。
3)先行词是不定代词
关系副词： When, where, why等
关系代词和关系副词的作用：
1.I like the book (which) you bought yesterday.
2.This is the house where he was born.
3. Bill, who was here yesterday, asked me a lot of e man who is shaking hands with my father is a policeman.
• 2.The boys who are playing football are from Class One.
• 3.Those who want to go to the museum must be at the school gate at 7 tomorrow morning.
Correct the following sentences:
1.This is the best film which I have seen.
This is the best film that I have seen.
2.That’s all which want to say.
That’s all that I want to say.
主要看： 从句意思是否完整；完整的话需 用关系副词，若意思不完整则需加关系 代词充当某个成分。
请比较以下句子：
• This is the park that we visited last year.
This is the park where we held a birthday party.
practice
指代
时间
地点
原因
所作成分 是否可省略
状语
否
状语
否
状语
否
判断下列引导词在句中的用法
指代、所作成分、是否可省略
1. He is the model worker whom/who we should learn from.
2. This is the film which I like best.
3. The boy whose father is a professor is one of my best friends.
The Attributive Clause
定语从句
1.定义： 在复合句中用来用来修饰名词或代词的 从句叫定语从句。
2.先行词：被定语从句所修饰的名词或代词叫 先行词（antecedent）。
3.关系代词、关系副词： 引导定语从句的词
关系代词：Who, whom, whose, which, that等
all,few,little,much,something,nothing,anything等.
4）先行词被 all,any,every,each,few,little,no,some等修饰。
5）先行词既有人又有物时。
B.指物时，作介词的宾语，关系代词只能 用which
This is the question about which we’ve had so much discussion.