英语定语从句WHICH THAT有什么区别A she found beauty and grace ,which befriended her .为什么用WHICH而不用THATB whoever he is and whatever he is ,he will be punished if anyone breaks the law 为什么用ANYONE不可以用WHOEVER吗

英语定语从句WHICH THAT有什么区别A she found beauty and grace ,which befriended her .为什么用WHICH而不用THATB whoever he is and whatever he is ,he will be punished if anyone breaks the law 为什么用ANYONE不可以用WHOEVER吗
英语定语从句WHICH THAT有什么区别
A she found beauty and grace ,which befriended her .为什么用WHICH而不用THAT
B whoever he is and whatever he is ,he will be punished if anyone breaks the law 为什么用ANYONE不可以用WHOEVER吗

英语定语从句WHICH THAT有什么区别A she found beauty and grace ,which befriended her .为什么用WHICH而不用THATB whoever he is and whatever he is ,he will be punished if anyone breaks the law 为什么用ANYONE不可以用WHOEVER吗
我来给你解释一下,在定语从句中,不允许使用what；在名词性 从句中,不允许使用which.名词性从句包括主语从句,宾语从句,表语从句和同位语从句.
A中,which引导的是一个非限制性定语从句,先行词是beauty and grace.非限制定语从句中不允许使用that.这样翻译：她找到了美丽和优雅,这两样东西成为了她的朋友.
B中,翻译为：无论是谁,无论他是做什么的,只要触犯法律,都会受到惩罚.如果用whoever可以,但是就不要if了.因为用anyone的话是条件状语从句,用whoevery引导让步状语从句,不用if.

希望解决了您的困惑!
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which 是三者
that 是两者

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
先行词为all, everything, anything, nothing, little, much,等不定代词时。
先行词被all, any, every, each, much, ...

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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
先行词为all, everything, anything, nothing, little, much,等不定代词时。
先行词被all, any, every, each, much, little, no, some, few等修饰时
先行词有形容词最高级和序数词修饰时
先行词既指人又指物时
先行词被the only, the very修饰时
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的情况在非限制性定语从句中，只能用which指代物，用who/whom指人
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。
先行词本身是that时，关系词用which, 先行词为those, one, he时多用who。
He has a son, who has gone abroad for further study.
I like the person to whom the teacher is talking.
Those who respect others are usually respected by others.

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A 非限定性定语从句只能用which
B whoever引导一个句子且在句子中做主语 此处已经有if引导了 不再需要一个连词 所只能填一个名词