用最简单的句子说下在定语从句中which和that的区别什么时候不能替换,别贴一大堆我会更晕.

用最简单的句子说下在定语从句中which和that的区别什么时候不能替换,别贴一大堆我会更晕.
用最简单的句子说下在定语从句中which和that的区别
什么时候不能替换,别贴一大堆我会更晕.

用最简单的句子说下在定语从句中which和that的区别什么时候不能替换,别贴一大堆我会更晕.
在定语从句中
作主语,先行词是人用who/that
先行词是物用which/that
eg.一个男孩a boy
一个能讲三国语言的男孩the boy who/that can speak three foreign languages
一扇门a door
一扇木制的门the door which/taht is made of wood
作宾语,先行词是人用whom/that(who)
先行词是物用which/that
eg.一个女孩a girl
一个警察正在找的女孩the girl whom/that the police are looking for
一把钥匙a key
一把我昨天弄丢了的钥匙the key which/that I lost yesterday
eg.I saw a tree.Its leaves were black.
→I saw a tree whose leaves were black.
=I saw a tree of which the leaves were black.
先行词指人：
whose + n.=the + n.+ of whom(或of whom + the + n.)
先行词指物：
whose + n.=the + n.+ of which（或of which.+ the + n.)
只能用that的7种情况：
1.先行词是不定代词
2.先行词被all,any,every,few,little等不定代词所修饰
3.先行词是序数词或被形容词的最高级所修饰
4.先行词被the only,the very(就是那个）所修饰
5.先行词既有人又有物时
6.当句子已有who时（为避免重复）
7.关系代词在从句中作表语时
不能用that的2种情况：
1.引导非限定性定语从句时,一般用which,不用that
2.关系代词直接放在介词后面时,要用which/whom

（我只针对不能用THAT的情况）
我只说一个故事你就知道了，牛郎织女故事晓得哇？每年七夕相会，他们靠什么，靠鹊桥！which就是喜鹊，that是乌鸦，你只要记住喜鹊比乌鸦高档精贵就行。
好了，情况一，就是从句中介词提前(也就是拆散人夫妻），比方THAT IS THE KEY FOR WHICH I AM LOOKING.（人家本来LOOKING和FOR 是一对，然后你硬要拆散，拆散...

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（我只针对不能用THAT的情况）
我只说一个故事你就知道了，牛郎织女故事晓得哇？每年七夕相会，他们靠什么，靠鹊桥！which就是喜鹊，that是乌鸦，你只要记住喜鹊比乌鸦高档精贵就行。
好了，情况一，就是从句中介词提前(也就是拆散人夫妻），比方THAT IS THE KEY FOR WHICH I AM LOOKING.（人家本来LOOKING和FOR 是一对，然后你硬要拆散，拆散后那就得让人鹊桥相会，所以用WHICH。
情况二，非限制性定语从句，就是那带逗号的从句，一逗号横在那里，那么成心拆散人家，所以我们要鹊桥相会，晓得了哇？

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只能用that的7种情况：
1.先行词是不定代词
2.先行词被all,any,every,few,little等不定代词所修饰
3.先行词被序数词或被形容词的最高级所修饰
4.先行词被the only,the very(就是那个）所修饰
5.先行词既有人又有物时

6.先行词在从句中作表语时
只能用which的情况,<...

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只能用that的7种情况：
1.先行词是不定代词
2.先行词被all,any,every,few,little等不定代词所修饰
3.先行词被序数词或被形容词的最高级所修饰
4.先行词被the only,the very(就是那个）所修饰
5.先行词既有人又有物时

6.先行词在从句中作表语时
只能用which的情况,
1.在非限制性定语从句中,只用which,不用that.
eg:He passed the exam,which made his parents happy.
2.在由介词+关系代词引导的定语从句中只用which,不用that.
eg:I bought a dictionary ,the price of which is reasonable.

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