forwhich定语从句

关系代词 as 与which引导非限制性定语从句时可以用整个句子作为先行词，指代上文或 下文所说的`一件事。大家不妨来看看forwhich定语从句，欢迎阅读！

for which 是介词＋which结构

关系副词含义相当于”介词＋which结构”，因此常常和”介词＋which”结构互换

其中关系副词有：when，where ，why

介词＋which结构有：

when =in/on which ，where=in/at which ，why =for which

that which在代物时常常可以通用，但有时只宜于用which ，不用that

（1）关系代词前有介词时.

This is the hotel in which you will stay.

（2）如有两个定语从句，其中一句的关系代词是that，另一句宜于用which.

Let me show you the novel that I borrowed from the liberary which was newly open （新开放）to us.

注意2that which在代物时常常可以通用，但有时只宜于用that ，不用which.

（1）先行词是形容词最高级或者它的前面有形容词最高级时

This is the best that has been used against air pollution（反对空气污染）in cities.

English is the most difficult subject that you will learn during these years.

（2）先行词是序数词，或它的前面有一个序数词时

He is the last person that I want to see.

（3）主句中已有疑问词时

Which is the bike that you lost?

（4）先行词既有人又有物时

The bike and its rider that had run over （撞倒了)an old man were taken to the police station.

（5）先行词是all，much，little，something，everything，anything，nothing，none，the one等代词时

You should hand in all that you have.

We haven’t got much that we can offer you.

I mean the one that you talked about just now.

（6）先行词前面有only，any，few，little，no，all，one of，the same，the very等词修饰时

The only thing that we can do is to give you some money.

Li Ming is the only one that got full marks （满分)in our class.

Li Ming is one of the students that want to be teachers in our class.

（7）有两个定语从句，其中一个关系代词已用which，另外一个宜用that

Edison built up a factory（办了一个工厂）which produced things that had never been seen before.

定语从句的关系副词 Where的用法:若先行词指地点且其在定语从句中充当地点状语.

This is the house+I was born in the house. （=I was born there)