第1个回答 2014-04-15
语态是动词的一种形式,它表示主语和谓语的关系。语态有两种:主动语态和被动语态。如果主语是动作的执行者,或者是说动作是由主语完成的,要用主动语态;如果主语是动作的承受者,或者是说动作不是由主语而是由其他人完成的,则用被动语态。
被动语态的各种时态
A 一般现在时,构成:“am/is/are+过去分词”。
Most paper work is now done by compter. 现在大多数文书工作都是由电脑完成的。
B 一般过去时,构成:“was/were+过去分词”。
We were all moved to tears by th moving story. 我们都被那个感人的故事感动了。
C 一般将来时,构成:“will/shall+be+过去分词”。
More trees will be planed in and aroud our village. 我们村庄的里里外外要种植更多的树。
D 现在进行时,构成:“am/is/are+being+过去分词”。
Is the accident now being looked into? 这个事故现在正在调查中吗?
E 过去进行时,构成:“was/were+being+过去分词”。
The hall was being built last year. I’m not sure if it is completed. 这个大厅去年正在修建,我不知道现在完成了没有。
F 现在完成时,构成“have/has+been+过去分词”。
Has the sports meet been put off until next Friday? 运动会已经推迟到下周五了吗?
G 过去完成时,构成:“had+been+过去分词”。
The fire had been put off when the firefighters arrived. 消防队员到达时,火已经被扑灭了。
H 将来完成时,构成:“will/shall have+been+过去分词”。
The book I’m working on will have been finished by the end of the year. 我正写的这本书今年年末将会完成。
I 过去将来完成时,构成:“would/should have+been+过去分词“。
I was told that the new road would have been officially opened at the end of the year. 据说年底新路将正式开通。
2. 含有情态动词的常用被动句式
A 肯定句式:主语+情态动词+be+过去分词+by...
The computer might be repaired by tomorrow. 电脑明天能修好。
B 否定句式:主语+情态动词+not be+过去分词+by...
These books mustn’t be taken out of the reading room. 这些书不能带出阅览室。
C 一般疑问句式:情态动词+主语+be+过去分词+by...
Must the homework be handed in by tomorrow? 到明天作业必须得交上吗?
D 特殊疑问句式:特殊疑问词+情态动词得一般疑问句式
When can my computer be repaired? 我得电脑什么时候能修好?