定语从句讲解
用（关系代词的
Unit 1 《school life »
Grammar (1)
n定语从句的定义及其作用：
定语从句是又称形容词性从句,在句子中起定语作用,修饰一个名词或代词，有时也可修饰一个句子.受定语从句修饰的词叫先行词.
定语从句的作用和作定语的形容词、介词词
组、分词词组相似，有时可以相互转换，例女口：金发女孩可译作a blonde girl ，a girl with blonde hair 或a girl who has blonde hair。定语从句通常由关系代词that/ which/ who/ whom/ which/ as 或关系畐U词when/ where/ why引导，这些词既指代主句中要说
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明的名词或代词,又充当从句中的某个句 子成分。定语从句可分为：限制性定语从句 和非限制性定语从句。
定语从句一般都紧跟在它所修饰名词后面，所 以如果
在名词或代词后面出现一个从句， 根 据它与前面名词或代词的逻辑关系来判断 是否是定语从句。 川 Th 定语从句的k 必Which was written by J.K.
relative pron. （thal ativ 指人或物adVe Wh ）ich 指物 /
3关系词在从句中充当成分en / where / why ）
找出下列句中的定语从句；分析定语从句三要 素
1. You are the right man whom we are looking for.
2. I ' ve spent all the money that was given by my parents.
3. I will never forget the day when I joined the party.
4. This is the factory where the machines are made.
IV 关系代词的用法:
1先行词（名词或代
词）
2关系词1
V课堂练习
1找出下列各句中的定语从句，并分析其先行
词：
1 The fan that you want is on the desk.
2 The woma n you saw in the park is our geography teacher.
3 Here is the girl whose brother works in this shop.
4 That ' s the child whose drawing we were looking at just now.
5 This is the boy whose sister is a famous sin ger.
2把下列每对句子合并成含有定语从句的主从复合句
1. The man is in the n ext room. He brought our textbooks here yesterday.
2. The magaz ine is mine. He has take n it away.
3. The students will not pass the exam. They don ' t study hard.
4. The letter is from my sister. I received it yesterday.
5. The play was won derful. We saw it last ni ght.
6. The train was late. It was going to Nanning.
Grammar (2)
修饰物体时关系代词that和which的区分
♦使用that的情况：
1■当先行词是nothing, something, anything, all,
each, little, few, none, the one 等词时。
e.g. Do you have any thi ng that is importa nt to
tell me?
2. 当先行词被all, any, some, no, not, every, each
等修饰时。
e.g. I have some books that are very good. 3•当先行词被形容词最高级、序数词所修饰时。
e.g. This is the first book that I bought mysel
f.
The biggest bird that I caught is this bird.
4. 主句是以which或who开头的特殊疑问句时
e.g. Which is the bike that you lost?
Who is the woman that was praised at the meeti ng.
5. 当先行词在从句和主句中都作表语时，无论先
行词是人还是物.
e.g. China is no Ion ger the country that she
was.
6■如有两个定语从句，其中一个已用which引导, 另一个宜用that .
e.g. Edis on built up a factory which produced
things that had never been seen before.
7■在there be句型中,只用that.
e.g. He asked for the latest book (that) there is on
the subject.
8.当先行词被the very, the last, the next, the only等
词修饰时。
e.g. This is the very book that I lost yesterday.
9.当先行词又有人又有物时。
e.g. I won ' t forget the things and the persons
that I saw.
♦只能使用which的情况。
1、非限制性定语从句中。
e.g. She lost the game, which depressed her
really.
2、在介词之后。
e.g. This is a house in which lives an old man.
She has collected 600 stamps, 60% of which are Germa n stamps.
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