1个回答
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？