定语从句that和which的区别

定语从句that和which的用法区别

一、that (指人，也可物，从句中作主语或宾语，还可以作表语，作宾语或表语可以省略)

He is not the man that he used to be.

that 在从句中作介词的宾语，介词不提前，反之介词提前，必不用that.

The house that we live in is not large.

The house in which we live is not large.

The house we live in is not large.

二、which 指物 (从句中作主语或宾语，还可以作表语，作宾语或表语可以省略)

That 指物可以与which互换，以下几种情况只用that。

1. 先行词all, everything, nothing, something, anything, little, much 等不定代词

2. 先行词被all, every, no, some, any, little, much 等修饰。

3. 先行词被序数词或形容词最高级修饰时。

4. 先行词被the only, the very, the same, the last 修饰时。

That white flower is the only one that I really like.

This is the very book that I want to have.

The last place that we visited was the chemical works.

5. 有两个或两个以上的分别表示人和物的先行词，从句应用that,而不是其他。

He talked about the teachers and schools that he had visited.

6. 当主句是以who, which 开头的特殊疑问句时，定语从句多用that,而不用who (whom),which。

Who is the person that is standing at the gate?

以上通常是使用于物，人一般不受限制，但如果正式和严谨可以遵循这一原则。

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