最新现在完成时被动语态ppt幻灯片

A. I’ve been told B. I’ve told
C. I’m told
D. I told
3. All the preparation for the task ____, and we’re ready to start. A. completed B. complete C. had been completed D. have been done
) 后添加上某个介词，如to,of ,at后方可跟上宾语。 [误] Great changes have been taken
place in China since 1978. [正] Great changes have taken place in
China since 1978.
2) open, break, drop等不强调动作发出者时
门已经被锁上了。 （我或别人现在进不去）
3. 动作或状态始于过去, 持续到现在, 并可 能持续下去。常与for或since引导的时间状 语连用，或用于How long．．．？句型中。 如： (1) How long has the machine been used？ 这机器使用有多久了？
(2)He has been told about it for many times. 有人告诉他这事很多次了。 （可能还会有人告诉他）
现在完成时被动语态ppt
1. 复习时态（主动）
现在完成时(have/has + 过去分词) 表示到说话时为止（或到现在为止）已经发 生或完成了（不一定结束）的动作或状态。 过去某一时间开始并一直持续到现在并且有 可能还会持续的动作或状态。
现在完成时的动作或情况虽然发生在过去，
但它强调的是与现在的关系，用来说明现在 的情况。
1. 并不是所有动词都有被动语态 1) happen, take place, break out, belong to, take part in , cost, last等不及物动词或词组
无被动语态。(字典里词后标有vi. 的就是不及物动词。不及物
动词后不能直接跟有动作的对象（即宾语）。若要跟宾语，必须先在其
这本书是他写的。
Exercises
1. Both my brother work at the power
station that ___ in my hometown.
A. has set up
B. has been set up
C. was set up
D. is set up
2. _____ the sports meet will be put off.
1. 主语是行为动作的承受者。如： The Temple of Zhang Fei has been
rebuilt.
张飞庙已经过重建。
（The Temple of Zhang）
Fra Baidu bibliotek
2.表示被动的动作发生在说话之前（即现 在的过去），强调对现在造成的影响和结 果。 如: The door has been locked.
2.一些特殊动词, 如borrow, finish, begin, buy, start, return, marry, open, join等 构成的现在完成时的被动语态不能与 表示一段时间的状语连用。若要表达 相应的意思， 则需改换动词或时态。
如： My brother has had(不能用has bought) this bike for almost four years. 我哥哥的自行车差不多买了四年了。
一些新电脑在昨晚被盗了。 (不知道电脑是谁偷的)
This book was published in 1981.
这本书出版于1981年。
(2) 强调动作的承受者, 而不强调动作的执行者。
如: The window was broken by Mike.
窗户是迈克打破的。
This book was written by him.
二． 句型： 肯定句：主语+have/has+过去分词 否定句：主语+have/has+not+过去分词 +其他. 一般疑问句：Have/Has+主语+过去分词 +其他. 简略答语: Yes, 主语 + have/has.(肯 定)
No, 主语+haven't/hasn't.(否定)
需要注意的问题：
7. --Did you move into the new house? -- No. The rooms ___ yet. A. were being painted B. are painting C. have not painted D. have not been painted
8. Great changes___ in my hometown and a lot of factories ___.
How long has this book been bought? How long ago was this book bought? 这本书买了多久了？
被动语态的用法:
(1) 不知道或没有必要说明动作的执行者是谁。
如: Some new computers were stolen last night.
4. ---- How long ____ at this job? ---- Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed
6. Betty___ injured since last Saturday. A. has been B. was C. is D. has
常用主动语态。如：
[误] The door has been opened of itself. [正] The door has opened of itself. 2. 短语动词不可分割或省略其中的介词 或副词。如： The SARS patients have been taken good care of.