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在上一篇文章《一站式掌握定语从句的用法(一)》中，我和大家分享了定语从句的定义、两个概念、分类以及that在关系代词中的用法，今天继续分享其他关系代词的用法。

That is, the usage of which, who, who and who.

第四，关系代词

(2)其用法

当which用于引导定语从句时，其先行词都是指示性的。比如：

He sent me five books, which helped me a lot in my English exam.

This is the ship on which I traveled two months ago.

其中第一句对我英语考试帮助很大，作为五本书的非限制性定语从句，补充这五本书对我英语考试的帮助。

在第二句话中，我两个月前旅行过，作为船的定语从句，意思是这艘船就是我两个月前乘坐的那艘。

[注意]

1.当which在从句中作宾语时，通常可以省略。例如，上面限制性定语从句中的which可以省略，即：

This is the ship I travelled on two months ago.

但是，当前面有介词时，就不能省略。例如，上面的句子可以改为：

This is the ship on which I travelled two months ago.

2.as和which的区别

as和which都可以用来引导定语从句，可以指代整个主句。但是，两者在用法上也有一些不同。

1)两者都可以在定语从句中作主语或宾语，代表整个前一句。比如：

They love each other, as/which is natural.

He doesn't like it, as/which we can see.

2)as表示“就像或就像”，它所引导的非限制性定语从句的位置可以在句首、句尾或句中。which引导的非限制性定语从句只能放在主句之后。比如：

As is known to all, man cannot live without air./Man cannot live without air, as is known to all./Man, as is known to all, cannot live without air.

It is said that he can type 200 words within one minute, which I don't believe.

3)当主句是因果关系时，一般使用。比如：

He is always complaining about everyting, which annoys everyone around him.

4)如果先行词包含这样或相同，用as。比如：

He is not such a fool as he looks.

This is the same book as she lost yesterday.

需要注意的是，先行词包含相同时，定语从句偶尔会被that引导，这与as引导的定语从句是不同的。比如：

She is wearing the dress that she wore at Mary's wedding. She is wearing a skirt that she wore at Mary's wedding. )

她穿着和她妹妹一样的衣服。)

(3) Who?

Who主要用作先行词，一般在从句中充当主语，但有时也可以用作宾语，相当于who。比如：

He's the man who bought these books just now.

The man who I served was wearing a hat.

第一句中的Who是从句中buy的主语，而第二句中的who是served的宾语。

需要注意的是，当介词位于定语从句的开头时，不能用who，而要用who。比如：

She is the girl about whom the man talked at the meeting an hour ago.

Who也可以用来引导非限制性定语从句。比如：

The manager, who comes from Japan, told me to help you with your project.

(4) Who?

当先行词表示人称时，Whom主要用作从句中动词或介词的宾语。比如：

The boy whom you met on the street just now is one of cousins.

He is the man from whom you ought to ask for help.

who也可以用来引导非限制性定语从句。比如：

The soldiers, some of whom come from Alaska, will be sent to Iraq next week.

(5) Whose?

which是所有格形式，所以引导定语从句的时候，后面会跟一个名词。它的前身可能是一个人，也可能是一件事。比如：

The boy whose father is a professor studies very hard.

Are there any rooms whose windows face the sea?

Whose也可以用来引导非限制性定语从句。比如：

I decided to write about Chaplin, whose films are still very popular among a large audience.

一站式掌握英语定语从句的用法(2)和一站式掌握英语定语从句的用法(2)的问题分享结束啦，以上的文章解决了您的问题吗？欢迎您下次再来哦！