介词加关系词
介词加关系代词有哪些？
介词加关系代词有哪些？
常见的有：in which, on which, of which, from which, at which., out of which, under which, above which, 等。
介词加关系代词的用法？
在英语的定语从句中，介词加关系代词相当于一个关系副词，起一个关系副词的作用。
例句：
1.This is the house where Tom lived many years ago.
这是很多年前汤姆住过的房子。
where是关系副词，可换为 in which来引导。
This is the house in which Tom lived many years ago.
2.This is the farm where he worked.
这是他工作过的农场。
where是关系副词，可换为 in which来引导。
This is the farm on which he worked.
3.This is the reason why he didn#39t come to school.
这是他没来上学的原因。
why是关系副词，可换为 for which来引导。
This is the reason for which he didn#39t come to school.
介词加关系代词的用法？
介词放在句末时，who，that，which可省， 但介词在关系代词前时，只能用“介词 which/whom”结构。 含有介词的固定动词词组中，介词不可前置，只能放在原来的位置上。
介词放在句末时，who，that，which可省， 但介词在关系代词前时，只能用“介词 which/whom”结构。 含有介词的固定动词词组中，介词不可前置，只能放在原来的位置上。