定语从句

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成员：刘钰 赵雪媛

定语从句，一个句子跟在一名词或代词（先行词）后进行修饰限定，就叫做定语从句。通俗来讲，从句在整个句子中做定语，这个从句就叫做定语从句。从句在主句中充当定语成分。被修饰的词叫先行词。定语从句不同于单词作定语的情况，它通常只能放在被修饰的词（即先行词）之后。

定语从句由关系词（关系代词、关系副词）引导，关系代词、关系副词位于定语从句句首。

关系代词引导的定语从句

（1）who, whom, that

Is he the man who/that wants to see you?

他就是想见你的人吗？（who/that在从句中作主语）

He is the man whom/ that I saw yesterday.

他就是我昨天见的那个人。（whom/that在从句中作宾语）

（2）Whose 用来指人或物

Please pass me the book whose (of which) cover is green.

请递给我那本绿皮的书。

（3）which, that

The package which / that you are carrying is about to come unwrapped.

你拿的包快散了。

关系副词引导的定语从句

（1）when, where,why

There are occasions when (on which) one must yield.

任何人都有不得不屈服的时候。

Beijing is the place where (in which) I was born.

北京是我的出生地。

Is this the reason why (for which) he refused our offer?

这就是他拒绝我们帮助他的理由吗？

（2）that代替关系副词

His father died the year (that / when / in which) he was born.

他父亲在他出生那年逝世了。