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被动语态在英语语法中的大作用

2021-06-03 编辑 : 哈尔滨纳斯达克国际英语
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何时运用被动语态:

(1)强调动作的接受者:America was discovered by Columbus.
(2)不知谁是动作的执行者:You are wanted on the phone.
(3)作客观说明:It is said that the meeting has been put off. (经典句型)


主动变被动的基本方法:(说起来容易,掌握起来需要用心!)

(1)主动语态中的宾语变为被动语态的主语。
(2)谓语动词变为由“be + 过去分词”的形式,配合时态作相应变化。
(3)主动语态主语置于介词 by之后,如无必需,则省略。
(4)不及物动词没有被动语态。

现    在  do (does) →am / is / are + done
We keep the piano in the living-room.
→The piano is kept in the living-room.

过    去  did→was / were + done
They built the bridge in 1980.
→The bridge was built in 1980.

将    来  will/shall do → will/shall + be + done
He will read the book tomorrow.
→The book will be read tomorrow.

现在完成  have/has done → have/has + been + done
We have delivered the newspaper.
→The newspapers have been delivered (by us).

过去完成  had done → had been done
She had seen the film before she came here.
→The film had been seen before she came here.

将来完成  will/shall have done → will/shall have + been + done
By the end of this term we shall have finished 80 texts.
→By the end of this term 80 texts will have been finished.

现在进行  am/is/are doing → am/is/are + being + done
They are drawing the picture.
→The picture is being drawn by them.< /p>

过去进行  was/were doing → was/were + being + done
He was reviewing their lessons at this moment yesterday.
→Their lessons were being reviewed at this moment yesterday.

情态动词   may                       may
              can                         can
              must                      must
             should      do   →     should      + be + done
             ought to                 ought to
             used to                   used to
You must write an article on the subject.
→An article must be written on the subject.


上一篇:非谓语动词之动名词的用法

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