1、高考英语语法复习系列之1-定语从句Part one-基础知识I. 定语可以由形容词、代词、数词、名词、分词、不定式、介词短语等来担任 ， 修饰名词 。
(以分词、介词短语为例）例：The girl behind the tree is Kate.The man driving too fast was a drunk在英语中 ， 修饰名词或代词的句子叫定语从句 。
例：The girl who is behind the tree is Kate.The man who was driving too fast was a drunk定语从句起了形容词的作用 ， 在句中修饰一个名词或代词 。
被修饰的词叫做先行词 ， 引 。

2、导定语从句的词叫关系词 ， 他的作用一是放在先行词与定语从句中间起了连接作用 ， 二是在从句中担当一个成分 ， 并与先行词保持数的一致 。
普通代词与关系代词的区别I have a sister. She works in Shanghai. she 代替 sisterI have a sister who/that works in Shanghai.q 普通代词：只起代替的作用（如上例she)q 关系代词： （如上例who/that）1. 除了代替先行词外 ， 2.它还在定语从句中担任一定的成分 ， 3. 同时连接先行词与它引导的定语从句 。
（把主句和从句连起来）关系词先行词从句成分例句备注关系代词who人主语Do 。

3、 you know the man who is talking with your mother?whom, which和that在从句中做宾语时 ， 常可以省略 ， 但介词提前时后面关系代词不能省略 ， 也不可以用thatwhom人宾语Mr. Smith is the person with whom I am workingThe boy (whom) she loved died in the war.whose人 ， 物定语I like those books whose topics are about history.The boy whose father works abroad is my 。

4、 deskmate. that人 ， 物主语 ， 宾语A plane is a machine that can fly.She is the pop star (that) I want to see very much.which物主语 ， 宾语The book (which) I gave you was worth $10.The picture which was about the accident was terrible.as人 ， 物主语 ， 宾语He is such a person as is respected by all of us.This is the same pen as I。

5、lost yesterday. as做宾语一般不省略关系副词when时间时间状语I will never forget the day when we met there.可用on whichwhere地点地点状语This is the house where I was born.可用in whichwhy原因原因状语I cant imagine the reason why he turned down my offer.可用for whichII. 限制性定语从句与非限制性定语从句的区别：类别语法意义及特征例句限制性定语从句对先行词起修饰限制作用 ， 如果去掉 ， 主句意思就不完整明确 ， 这种从句 。

6、与主句的关系十分密切 ， 写时不用逗号分开 。
The accident happened at the time when I left.非限制性定语从句对先行词作附加的说明 ， 与主句的关系不十分密切 ， 较松散 。
从句和主句之间用逗号分开 ， 相当于一个插入语 ， 不能用that引导 ， 关系代词做宾语时也不能省略 。
His mother, whom he loved deeply, died ten years ago.III. 关系词的选用与判断正确选择关系词是掌握定语从句的关键 。
关系词的选择完全取决于先行词在定语从句中所充当的什么成分 。
关系词一共有九个 ， 它们在从句中所充当的句子成分见下表 。
关系词主语宾语表语定语 。

7、状语说明that人/物人/物不能用于非限定性从句which物物who人whom人whose人/物whenwherewhyas主要用于非限制性的定语从句和suchas, the sameas, asas,结构中 。
IV介词+关系代词：1）介词后面的关系词不能省略 。
2）that前不能有介词 。
3） 某些在从句中充当时间 ， 地点或原因状语的介词+关系词结构可以同关系副词when 和where 互换 。
This is the house in which I lived two years ago.This is the house where I lived two years ago.Do you rem 。

【高考|高考英语语法复习系列之1定语从句】8、ember the day on which you joined our club?Do you remember the day when you joined our club?4）介词的位置变化以及相应的关系词的变化 。
请分析下面两个句子 。
那就是他工作的大学 。
at which he works. which he works at.That is the college where he works. that he works at. he works at.它出生的那一天是1952年8月20日 。
on which he was born which he was born onTh 。

9、e day when he was born wasAug.20,1952. that he was born on he was born on总结：介词的选择是根据先行词与介词的搭配关系而定 。
V. that与which, who, whom的用法区别：情况用法说明例句只用that的情况1 先行词为all, everything, anything, nothing, little, much,等不定代词时 。
2 先行词被all, any, every, each, much, little, no, some, few等修饰时3 先行词有形容词最高级和序数词修饰时4 先行词既指人又指物时5。

10、先行词被the only, the very修饰时6 句中已经有who或which时 ， 为了避免重复时1.He told me everything that he knows.2.All the books that you offered has been given out.3.This is the best film that I have ever read.4.We talked about the persons and things that we remembered.5.He is the only man that I want to see.6.Who is the m 。

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标题：高考|高考英语语法复习系列之1定语从句