The Present Perfect Passive Voice 现在完成时的被动语态

some skills
.Agreement ? .Active or passive? .regular or irregular?(verb)
writing 用现在完成时的被动语态重组下列句子。 1. a new hospital for women and children, build, in Beijing A new hospital for women and children has been built in Beijing. 2. more and more trees, cut down, by farmers More and more trees have been cut down by farmers.
discussed, yet we can feel the topic
_____.
A. had changed B. will change
C. was changed
D. has been changed
1.A personal computer has bought by us. A personal computer has been bought by us. 2.Many problems has been found with our new computer. Many problems have been found with our new computer.
【注意】 1) 现在完成时被动语态的两个助动词： have／has和been缺一不可。 2) 注意与一般过去时被动语态的区别。 一般过去时被动语态表示一个被动的动 作发生在过去，其结果对现在没有影响； 而现在完成时被动语态的动作或状态尽 管发生在过去，但侧重说明该动作或状 态对现在造成的影响或结果。
How many experiments have been done by the students this month? 特殊疑问句形式： 疑问词 + have / has + been +及物动词的 过去分词。
现在完成时的被动语态通常有以下两种 情况： 表示过去开始的被动动作一直持续到现 在，常与之连用的时间状语有：for +一 段时间，since +时间状语（从句），
5) 只带有一个宾语的动词变为被动语态 时，将主动语态的宾语变为被动语态 的主语。 e.g. We have built many houses in the past ten years. →Many houses have been built in the past ten years.
6) 带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, tell, pay, lend, pass, promise等，变为被动语态 时，可将其中一个宾语变为主语，另 一个保留不动。 e.g. We have given him the book. →He has been given the book. →The book has been given to him.
现在完成时的被动语态的谓语构成形式：
肯定式： have / has + been ____________________+ 及物动词的过 去分词。

They haven’t been told about it yet. 否定式：_____________________+ have / has + not + been 及物动 词的过去分词。 —Have his books been sold out? —Yes. So you can’t buy one now. 一般疑问句形式： Have / Has +主语+ been 及物动词的过 ______________________+ 去分词。
e.g. The machine has been repaired． 机器已经修好了。(说明动作发生在 过去，对现在有影响，修好了。) The machine was repaired yesterday． 机器昨天修了。(只说明动作发生在 昨天。)
3) 动词短语是一个不可分割的整体，在 被动语态中要保持其完整性，其中的 介词或副词不可省略。 e.g. The orphans have been taken good care of here． 孤儿们在这里受到很好的照顾。
3.A PC has been builded the way we wanted. A PC has been built the way we wanted. 4.The computer was used every day since we bought it. The computer has been used every day since we bought it. 5.A lot of e-mails had been written on the computer in the past 5 years. A lot of e-mails have been written on the computer in the past 5 years.
Finish exercises on the workbooks.
these days, so far, up to now, in the last /
past few years等。
e.g. This class have been taught by Mr. Brown for two years. His Chinese has been improved a lot since he came to China. JK Rowling’s novels have been translated into many foreign languages so far.
表示某被动动作对现在造成的影响或结 果，常与already, yet, just, ever, never, recently等连用。 e.g. The bike has not been repaired yet. I have already been introduced to Mr. Smith.
Read the following poem.
Look at the way your face has been washed Look at the way your hair has been combed Look at the way your shoes have been cleaned You’d better do them again. Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again.
3. about 300 buildings and houses, destroy, in the earthquake About 300 buildings and houses have been destroyed in the earthquake. 4. a lot of money, spend, protect the old temple A lot of money has been spent protecting the old temple.
The Present Perfect Passive Voice
现在完成时的被动语态
The Present Perfect Active Voice
has/have (not)+done
1.We have finished our homework. 2.Tom has cleaned his room so far. 3.The worker hasn’t repaired the bike yet.
从A、B、C、D四个选项中，选出可以 填入空白处的最佳选项。
1. In the last few years thousands of films _____ all over the world. A. have produced B. have been produced C. are producing D. are being produced
4) 并不是所有动词都有被动语态
happen, take place, break out, belong to, cost, last等不及物动词或词组无被 动语态。 [误] Great changes have been taken place in China since 1978. [正] Great changes have taken place in China since 1978.
2. I like these English songs and they _____ many times on the radio. A. taught C. are taught B. have taught D. have been taught
3. Though we don’t know what was