文档介绍：被
目录
被动语态的构成
被动语态的使用要点
同学们的问题
练习题
构成
英语中有两种语态:主动语态和被动语态
主动语态表示主语是谓语动作的执行者,
被动语态表示主语是谓语动作的承受者,
其构成为be+过去分词
e9. They will widen the road·(主动)二
The road will be widened.(被动)
(一)1被动语态各种时态形式表
般时态进行时
完成时
现在
am
am
has
as
is being asked
过去
was
asked
being asked had been asked
Were
were
将来
all
rill
have been asked
过去将来
2情态动词的被动语态
含有情态动词的谓语变为被动态时,结构为
般形式:情态动词(can, could,may,must, might,must, should,need
等)+be+过去分词
完成式:情态动词(can,coud,may,must, might, must, should,need
)+have+过去分词
eg. This can be done by hand
The project might have been completed earlier
They shouldn't have been told about the plan
3祈使句的被动态
(19肯定祈使句的被动语态结构为
et+宾语+be过去分词
(2)否定祈使句的被动语态结构为
don t let宾语+be+过去分词=lt+宾语+not+be+过去分词
eg. Let us do it at once. Let it be done at once
Don't forget to water the flowers
(Let it not be forgotten to water the flowers
Don' t let the flowers be forgotten to be watered.
Note:1问代词作主语时,改为被动语态要用By+特殊疑问句”结
构
eg Who invented the machine? By whom was the machine
invented?)
2疑问代词作宾语时,改为被动语态要用疑问代词作主语
eg. What have you done to improve the quality?
What has been done by you to improve the quality?)
3反问疑问词改为被动语态时,把宾语改为主语
eg. He can jump over the wall, cant he?
(The wall can be jumped over by him, can't it?
二被动语态的使用要点
·
appear, rise, die, happen occur, lie, belong to, break out, take place # AiEe
于此类动词
Eg. Great changes have been taken place in my hometown
Great changes have taken place in my hometown.( IEH)
英语中有些动词(短语动词)表示某种状态或情况,有“拥有·,容纳,适合
缺少,明白”等意,这类动词不能用于被动语态,常见的有
ack,ft,mean,hold,have,cost, resemble()ast, become,
contain,fa等
Eg. The book costs 10 yuan
Her mother is resemble by Jane. i
Jane resembles her mother. (E)
Note
当have作吃,接受,经历,度过解时,虽然用作行为动词,但
般不用于被动语态。
eg. The children had a most enjoyable holiday
(正)
A most enjoyable holiday was had by the
children.(误)
(2)但当have作得到,获得,欺骗解,或同某些
介词、副词结合构成及物性短语动词时,可用于
被动语态
eg. She has been had in the d