内容正文:
专题二 第四讲 被动语态
英语的语态是通过动词形式的变化表现出来的,用以说明主语与谓语动词之间的关系。英语中有两种语态:
主动语态和被动语态。被动语态,即不知道动作执行者或强调动作承受者的一种语态。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,即行为动作的对象。一般说来,只有需要动作对象的及物动词才
有被动语态,而不及物动词和系动词是没有被动语态的。
如:He opened the door. 他打开了这扇门。(主动语态)
The door was opened. 这扇门被打开了。(被动语态)
一、被动语态的构成
被动语态由“助动词 be+及物动词的过去分词”构成。被动语态的时态变化只改变 be的形式,过去分词部分
不变。疑问式和否定式的变化也如此。 各种时态的被动语态举例(以动词 do为例)
1.一般现在时(am/ is/ are +done)
English is spoken by lots of people in the world. 世界上的许多人都说英语。
The classroom is cleaned by the students every day. 学生们每天都打扫教室。
2.一般过去时(was/ were +done)
The cup was broken by the boy. 杯子被那个男孩打碎了。
My bike was stolen. 我的自行车被偷了。
3.一般将来时 (will/ shall be +done)
A new road will be built next year. 明年要修一条新马路。
4.过去将来时 (would/should be +done)(了解)
I thought thousands of people would be helped. 我认为将有数千人得到帮助。
5. 现在进行时 (am/ is/ are being +done)
The problem is being discussed now. 问题正在被讨论。
6. 过去进行时 (was/ were being +done)
The machine was being repaired at this time yesterday. 昨天这时,机器正在被修理。
7.现在完成时(have/ has been + don