内容正文:
(
被动语态
)
(
知识精讲
)
一、被动语态
语态是动词的一种形式,表示主语和谓语动词之间的具体关系,分为主动语态和被动语态两种。主动语态表示主语是谓语动词所表示的动作的执行者。被动语态表示主语是谓语动词所表示的动作的承受者。
被动语态是动词的一种特殊形式,一般来说,只有需要动作对象的及物动词才有被动语态。汉语往往用“被、受、给”等被动词来表示被动意义 。其结构是由“助动词be+及物动词的过去分词done”构成的。be本身无词义,但有时态、人称和数的变化,其变化与时态中的变化一致。
各种时态的被动语态结构表(以动词do为例):
时态
被动语态
例句
一般现在时
am/is/are+ done
The classroom is cleaned by us.
教室被我们打扫。
一般过去时
was/were+ done
The kite was made by him yesterday.
昨天,风筝被他制作。
现在进行时
am/is/are+ being+ done
Flowers are being watered by her.
花儿现在正在被她浇。
现在完成时
have/has +been+ done
The work has been finished by Jim.
工作已经被做完。
一般将来时
will/shall/be going to + be done
Trees will be planted by them tomorrow.
明天,树将被他们种。
过去进行时
was/were + being+ done
A letter was being written by her at this time yesterday.
昨天的这个时候一封信正在被写。
过去完成时
had+ been +done
The work had been finished by Jim.
工作早已经被他完成了。
含有情态动词
can/may/must +be +done
He can be found by me.
他不能被发现。
二、被动语态的用法
1. 不知道或没有必要指出谁是动作的执行者时。例:
The bridge was built last year. 这座桥是去年建造的。
He was elect