作业帮介词+关系代词为什么不能用that举个例子：This was the house in which they lived last year.将in放到后面的话为什么又能用that了
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 14:34:56
介词+关系代词为什么不能用that举个例子：This was the house in which they lived last year.将in放到后面的话为什么又能用that了
介词+关系代词为什么不能用that
举个例子：This was the house in which they lived last year.
将in放到后面的话为什么又能用that了
介词+关系代词为什么不能用that举个例子：This was the house in which they lived last year.将in放到后面的话为什么又能用that了
是这样的
因为如果句子是：
This was the house in that they lived last year.会产生歧义
因为in that在英语中有它自己的意思
in that =because表“因为” 所以定语从句中in that无论如何不会放在一起的
2. 直接用于介词后作宾语的关系代词which不能换成that，直接用于介词后作宾语的关系代词whom不能换成who。但若介词用于句末，则用作宾语的which, whom也可换成that, who，或者省略不写。如： This is a subject which we have talked about a lot. 这是一个我们讨论了许多的问题。(which可以换成that，也可以省略)...
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2. 直接用于介词后作宾语的关系代词which不能换成that，直接用于介词后作宾语的关系代词whom不能换成who。但若介词用于句末，则用作宾语的which, whom也可换成that, who，或者省略不写。如： This is a subject which we have talked about a lot. 这是一个我们讨论了许多的问题。(which可以换成that，也可以省略)
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语法规定，没有什么原因