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高三英语语法重要知识点:定语从句

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2015-12-07

II. 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.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 man that is making a speech?

只用which, who, whom的情况

1.在非限制性定语从句中,只能用which指代物,用who/whom指人

2.在由“介词+关系代词”引导的定语从句中,只能用which指物,whom指人。

3.先行词本身是that时,关系词用which, 先行词为those, one, he时多用who。

 

1.He has a son, who has gone abroad for further study.

 

2.I like the person to whom the teacher is talking.

 

3.Those who respect others are usually respected by others.

III. as、which和that的区别

从句

区   别

例   句

限制性

定语从句中

名词前有such和the same修饰时,关系代词用as,不能用which

He is not such a fool as he looks.

Don’t read such books as you can’t understand.

非限制性

定语从句中

as和which都可以指代前面整个主句。如果有“正如,象”的含义,并可以放在主句前,也可以放在后面,那么用as;而which引导的从句只能放主句后,并无“正如”的意思。

They won the game, as we had expected.

They won the game, which we hadn’t expected.

As is well known, he is a famous film star in the 1980s.

the same... as和

the same ...that

the same... as指同类事物

the same ...that 指原物

That’s the same tool as I used last week.(同类工具,不是同一把)

That’s the same tool that I used last week.那就是我上周用过的工具。

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