英语语法 被动语态的用法

当我们把重点放在动作本身上时,就用到了被动语态,这时,谁,如何执行的动作就不是那么重要了。

看例子: My bike was stolen.

这句话的重点是我的bike被偷了,但是谁偷的我不知道。

有时候被动语态要比主动语态的表达更礼貌些。

看句子: A mistake was made.

在这里,我关注的是事实,一个错误。我没有责备任何人,因为我没说是你犯的错误。

被动语态的形式是主语+to be+动词的过去分词:

A letter was written.

主动语态的句子改写成被动语态的句子时,要注意以下几点:

主动语态句子中的宾语变成被动语态句子中的主语。

动词要变成to be+过去分词形式

主动语态句子中的主语变成被动语态句子中的宾语,或者被省略。

认真阅读以下例句:

Linda writes a letter.

A letter is written by Linda.

Linda wrote a letter.

A letter was written by Linda.

Linda has written a letter.

A letter has been written by Linda.

Linda will write a letter.

A letter will be written by Linda.

Linda can write a letter.

A letter can be written by Linda.

Linda is writing a letter.

A letter is being written by Linda.

Linda was writing a letter.

A letter was being written by Linda.

Linda had written a letter.

A letter had been written by Linda.

Linda will have written a letter.

A letter will have been written by Linda.

Linda would write a letter.

A letter would be written by Linda.

Linda would have written a letter.

A letter would have been written by Linda.

如果主动语态句子中有个2个宾语, 那么,改写成被动语态时一个宾语变成主语,另外一个还继续作宾语。

Linda wrote a letterto me.

A letter was writtento meby Linda.

至于把哪一个宾语改做主语,要看你要强调的是什么:

I was written a letter by Linda. 看到了吗?

by后面的内容,在句子中并不雅观,所以,大多数情况下都是被省略的。

主动语态句子中的宾语变成被动语态句子中的主语,是非常常见的:

They build houses. – Houses are built.

当遇到动词后面没有宾语时,比如不及物动词,如何变成被动语态呢?

.这时通常会用到另外一个结构:

he says – it is said

不过只有感官动词可以,比如 say, think和 know。

They say that women live longer than men.

变成 It is said that women live longer than men.

当然也可以变成: Women are said to live longer than men.

有2个宾语时:

Rachel will give yousome advice.

改成:Some advice will be given to you. 直接宾语做主语,这时间接宾语前要加to,原来的主语省略,当然也可以不省略。

或者:You will be given some advice 间接宾语做主语,动词变被动,后面紧跟原来的直接宾语,原来的主语通常被省略。

给大家几个句子做练习,把它们改成上面的2种被动形式。

I sent hima letter.

The police officer showed usthe way.

Our neighbour gave mea lift.

We have asked hima favour.

They did not offer hera seat. 欢迎大家留言。

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