高中英语语法被动语态教学内容

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被动语态

一、语态的基本概念和种类

语态是动词的一种形式,用来表明主语与谓语动词之间的关系。英语动词有两种语态:主动语态和被动语态。

主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。谓语动词为主动语态的句子叫主动句,谓语动词被动语态的句子叫被动句。一般来说,主动语态侧重于行为者,被动语态侧重于动作的对象或动作本身。如:主动句:They built this bridge.他们修的这座桥。

被动句:This bridge was built by them.这桥由他们建造。

二、被动语态的构成

被动语态由“be+及物动词的过去分词”构成,助动词be有人称、数和时态的变化,其变化规则与be作为系动词的变化完全一样。

英语主动语态的时态共有十六种,而被动语态只有十种。

三、主动语态变被动语态

主动语态转换成被动语态分三步走:第一步是将主动语态中的宾语放在句首,第二步是将主动语态中的谓语变成被动形式,第三步是将主动语态中的主语放在被动句的谓语之后,在前面再加上介词by,引出动作的执行者。简言之,主动语态变被动语态时,主语与宾语交换位置,谓语变为被动形式,执行者前加by。

主动语态:We speak Chinese.

(主语) (谓语) (宾语)

Chinese is spoken by us.

(主语) (谓语) (宾语)

主动语态转换成被动语态分三种情况:

第一种句型:主语+谓语+宾语,主语与宾语交换位置。例如:

I sent an email last night.昨天夜里我发了一封电子邮件。(主动结构)

An email was sent (by me) last night.一封电子邮件昨天夜里(由我)发出了。(被动结构)

第二种句型:主语+谓语+宾语+宾语,将其中任意一个宾语与主语交换位置。例如:

My parents bought me a new computer.我的父母亲给我买了一台新电脑。(主动结构)

A new computer was bought for me.有人给我买了一台新电脑。(被动结构)

I was bought a new computer.有人给我买了一台新电脑。(被动结构)

第三种句型:主语+谓语+复合宾语,将其中的宾语提到句首,而将宾语补足语仍留在原来的位置。例如:

We found him lying under the tree.我们发现他躺在树底下。(主动结构,宾语补足语为现在分词。)

He was found lying under the tree.他被发现躺在树底下。(被动结构,主动结构的

宾语补足语lying under the tree在此变成了主语补足语。)

四、八种常用时态的被动语态举例

1、一般现在时is/am/are done

A lot of books are kept in our school library.我们学校图书馆有许多藏书。

Radio is used in everyday life.收音机用于日常生活。

2、一般过去时was/were done

A thief was caught last night.一个小偷昨晚被抓了。

They were asked to speak at the meeting.他们被邀请在会议上讲话。

3、现在进行时is/am/are being done

A new library is being put up in their school now.他们学校正在建新图书馆。

The watch is being repaired.这块表正在修理。

4、过去进行时was/were being done

The door was being painted at that time.那时门还在油漆。

The equipment was being examined at this time yesterday.昨天这个时间正在检查设备。

5、一般将来时shall/will be done

The class meeting will be held next Saturday afternoon.班会下周六下午召开。

The thieves will be arrested.这些小偷将被逮捕。

6、过去将来时should/would be done

They said the work would be finished the next day.他们说这项工作第二天就能完成。

7、现在完成时have/has been done

My bag has been stolen.我的包被偷了。

Many stamps have been collected by me since last year.从去年开始我收集了许多邮票。

8、过去完成时had been done

She said this airport had never been used.她说这个机场没有使用过。

五、被动语态的用法

1、当不知道谁是动作的执行者时,用被动语态。例如:

His bike has been stolen.他的自行车被人偷走了。

This window was smashed last night.这扇窗户昨天晚上被打破了。

2、在没有必要或不想指出谁是动作的执行者时,用被动语态。例如:

China was liberated in 1949.中国是一九四九年解放的。

I was told you were late this morning.我听说你今天早晨迟到了。

3、强调或突出动作的承受者时,用被动语态。例如:

The plan has already been made.计划已经制定好了。

Wu Ying may be elected secretary of the Party committee.吴英可能当选为党委书记。

用被动语态时,如需同时指出动作的执行者,可用“介词by+动作执行者(宾格)”这一结构。例如:

Midnight was written by Mao Dun.《子夜》是茅盾写的。

This picture can't have been drawn by him.这张画不可能是他画的。

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