定语从句用法

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定语从句用法：关系代词that 的用法

1）不用that的情况

a) 在引导非限定性定语从句时。

(错) The tree, that is four hundred years old, is very famous here.

b) 介词后不能用。

We depend on the land from which we get our food.

We depend on the land that/which we get our food from.

2) 只能用that作为定语从句的关系代词的情况

a) 在there be 句型中，只用that，不用which。

b) 在不定代词，如：anything, nothing, the one, all, much, few, any, little等作先行词时，只用that，不用which。

c) 先行词有the only, the very修饰时，只用that。

d) 先行词为序数词、数词、形容词最高级时，只用that。.

e) 先行词既有人，又有物时。

举例：

All that is needed is a supply of oil.

所需的只是供油问题。

Finally, the thief handed everything that he had stolen to the police.

那贼最终把偷的全部东西交给了警察。

定语从句的.种类和用法

用来说明主句中某一名词或代词（有时也可说明整个主句或主句中一部分）而起定语作用的句子叫作定语从句。

一、关系代词引导的定语从句

1. 关系代词用来指代先行词是人或物的名词或代词

句子成分 用于限制从句或非限制性从句 只用于限制性从句

代替人 代替物 代替人或物

主语 Who which that

主语 Whom which that

宾语 Whose（=of whom） whose（=of which）

例1：This is the detective who came from London.

例2：The book which I am reading is written by Tomas Hardy.

例3：The desk whose leg is broken is very old.

例4：This is the room that Shakespeare was born in.

2.关系代词的用法

（1）如果先行词是all，much，anything，something，nothing，everything，little，none等不定代词，关系代词一般只用that，不用which.例如：

All the people that are present burst into tears.