内容正文:
动词的被动语态
【用法讲解】
考试要求:
中考要求掌握:动词的主动语态和被动语态区别与使用,不同时态的被动语态形式及情态动词的被动语态形式。英语动词有两种语态:主动语态和被动语态,主动语态表示句子的主语是谓语动作的执行者;被动语态是表示句子的主语是谓语动作的承受者。
如:We often clean the blackboard.(我们是擦黑板的执行者即主动语态)
The blackboard is often cleaned by us. (黑板是clean的承受者即被动语态)。
1. 被动语态的结构
一般现在时:am / is / are + 及物动词的过去分词
一般过去时:was / were + 及物动词的过去分词
一般将来时:will / shall be + 及物动词的过去分词
现在完成时:have / has been + 及物动词的过去分词
现在进行时:am / is / are being + 及物动词的过去分词
过去完成时:had been + 及物动词的过去分词
如:You are wanted on the phone. 有你的电话。
China was liberated in 1949. 1949年中国解放。
The problem will be discussed tomorrow.
明天将对这个问题进行讨论。
Not a book in the library has been taken away.
图书馆里没有一本书被人拿走。
My bike is being repaired.我的自行车正在修理。
The book had been borrowed when I got to the library.
我到了图书馆时,那本书已经借出去了。
2. 主动语态与被动语态的转换
(1)把主动语态的宾语变为被动语态的主语。
(2)把谓语变成被动结构(be+过去分词),根据被动语态句子里主语的人称和数,以及原来主动语态句子中动词的时态来决定be的形式。
(3)把主动语态中的主语放在介词by之后作宾语,将主格改为宾格。
如:All the people laughed at him.
→He was laughed at by all people.
They make the bikes in the factory.
→The bikes are made by them in the factory.
He cut down a tree.
→A tree was cut down by him.
3. 含有情态动词的被动语态
含有情态动词的主动句变成被动句时,由“情态动词+be+过去分词”构成,原来带to的情态动词变成被动语态后“to”仍要保留。
We can repair this watch in two days.
→This watch can be repaired in two days.
They should do it at once.
→It should be done at once.
4.含有双宾语的主动语态变为被动语态
主动语态: 主语 + 谓语动词 + 间接、直接宾语 + 其他
被动语态: 间接宾语 + be + 过去分词 + 直接宾语 + 其他(比较常用)
或:直接宾语 + be + 过去分词 + 介词(for / to) + 间接宾语 + 其他
如:My father gave me a new book on my birthday.
→ I was given a new book on my birthday (by my father).
→ A new book was given to me on my birthday (by my father).
我的父亲在我的生日那天给我买了一本新书。
My father bought me a new computer yesterday.
→ I was bought a new computer yesterday (by my father).
→ A new computer was bought for me yesterday (by my father).
我的父亲昨天给我买了一台新电脑。
5.含有短语动词的主动语态变为被动语态
有些相当于及物动词的短语动词,如“动词+介词”,“动词+副词”等,也可用于被动语态,但要把它们看作一个整体,不能分开。
如: She lo