定语从句什么情况下,关系代词前需要加介词?

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定语从句什么情况下,关系代词前需要加介词?

2023-03-22 03:50| 来源: 网络整理| 查看: 265

定语从句中关系代词前加介词的情况主要有以下几种:

根据定语从句中的谓语动词确定介词。如果谓语动词是不及物动词或者与介词构成固定搭配,那么就需要在关系代词前加上相应的介词。例如:

The book about which we are talking is very interesting. (talk about)

The man to whom you spoke is a famous writer. (speak to)

The house in which he lives is very old. (live in)

根据定语从句修饰的先行词确定介词。如果先行词表示时间、地点、原因、方式等概念,那么就需要在关系代词前加上与之相对应的介词。例如:

This is the day on which he was born. (on 表示时间)

This is the place where he works. (where 相当于 in which 表示地点)

This is the reason for which he left. (for 表示原因)

This is the way by which he solved the problem. (by 表示方式)

根据句子的意思确定介词。有时候,即使先行词和谓语动词都没有固定搭配的介词,也可以根据句子要表达的意思选择合适的介词来修饰先行词或者补充谓语动词。例如:

He has many friends, some of whom are foreigners. (of 表示部分)

He wrote a letter, at the end of which he asked for help. (at 表示位置)

He gave me a book, from which I learned a lot. (from 表示来源)

希望我的回答能够帮到你。如果你还有其他问题或想法,请在评论区留言。谢谢!



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