介词加关系代词的规则
介词加关系代词的介词是怎么来的？
介词加关系代词的介词是怎么来的？
介词加关系代词是因为定语从句中的动词是不及物动词，和引导词不能连接，所以在引导词前面需要加上介词，有时和从句中名词不能连接等，这个介词也可以放在从句中。例如：The temple of which the window is broken has been destroyed by some red guards.
介词加关系代词介词遵循的原则？
介词和代词一起用时，介词置于代词前，如by oneself, after all
在句子成分中，介词 代词 一般可以作状语
We have twenty students in the club in all.
My mother often tells me to do things by myself.
Don#39t worry about him. After all , he has been an adult.
There are twenty volunteers in all talking part in the hand -in -hand activity.
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.