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1、,Grammar,Unit4,play,often,Football,A camera,use for ,is often played,all over the world.,is used,for,taking photos.,rob yesterday,A man-made satellite,A bank,send up last year,was robbed,yesterday.,was sent up,space last year.,into,被动语态：主语是动作的承受者.,一般现在时： amisare + vt. p.p.,构成： be + vt. p.p.,一般过去时： w
2、aswere + vt. p.p.,send to,right now,They,A talk,a talk give soon,will be sent to,the hospital right now.,will be given,soon.,一般将来时: will be / be going to be + vt.p.p.,must plant,The trees,must be,planted,on the,ground.,Many more trees should be planted by us.,情态动词： must (can/could/may)+be + vt. p.p.
3、,Football is played all over the world. A camera is used for taking photos. A bank was robbed yesterday. A man-made satellite was sent up into space last year. The tree must be planted on the ground. The ground will be covered with trees in a few years time. They will be sent to the hospital right n
4、ow. A talk will be given soon. The earth is being dug now.,Look and find out the tenses (相同点):,B:Answer right or wrong 1.必须照看好孩子们。 The children must be taken good care .( ) The children must be taken good care of .( ) 2.这本书是鲁迅写的。/3.昨天那支笔是他给我的。 This book was wrote by Lu Xun.( ) This book was written
5、by Lu Xun.( ) 3.That pencil was given me by him yesterday.( ) That pencil was given to me by him yesterday.( ),W,R,W,R,W,R,4.这辆自行车能修吗？ Can this bike mended?( ) Can this bike be mended?( ) 5.街道已由他们清理了。 The street has been cleaned by they.( ) The street has been cleaned by them.( ),W,R,W,R,构成： 主动语态 被动
6、语态 have/has done,The Present Perfect Passive Voice （现在完成时的被动语态）,have/has been done,He has been sent to study the new technology in the company. The dirty clothes have not been washed. Have the windows been cleaned? How many shopping centers have been built in this city?,Exercises,1.Both my brother w
7、ork 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. A. Ive been told B. Ive told C. Im told D. I told,3. All the preparations for the task _, and were ready to start. A. completed B. complete C. had been co
8、mpleted D. have been done,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,5.When and where to go for the on-salary holiday _ yet. A. are not decided B. have not been decided C. is not being decided D. has not
9、been decided,6. Betty_ injured since last Saturday. A. has been B. was C. is D. has,7. That book _into at least 20 foreign languages. A. has said to be translated B. has been said to have translated C. is said that it had been translated D. is said to have been translated,注:该句的句型是:It is said that/pe
10、ople (they) said that/that book is said to 根据句意是已经被译成了20 多种文字所以要用现在完成时的被动语态。,8. Hi, Tom, you look tired. - Of course. I _ the living room all day. A. had painted B. painted C. have been painted D. have been painting,9. -Did you move into the new house? - No. The rooms _ yet. A. were being painted B.
11、 are painting C. have not painted D. have not been painted,10. Great changes_ in my hometown and a lot of factories _. A. have been taken place; are being set up B. have taken place; have been set up C. are taken place; had been set up D. took place; will set up,11. Its said that this book_ into Chi
12、nese. A. had translated B. has translated C. was translated D. has been translated,12. You cant move in .The house _. A. is painting B. is being painted C. has painted D. has been painted,13. Millions of pounds worth of damage_ by a storm which swept across the north of England last night. (2005重庆)
13、A. has been caused B. had been caused C. will be caused D. will have been cause,14. Have you ever_ to the exhibition which _for three weeks? A. gone; has been shown B. visited; shown C. been; has been on show D. went; lasted,15. -How long ago _ these eggs_? - Perhaps 15 days. A. will; hatch B. did;
14、hatch C. were; hatched D. have; been hatched,改错,1. A personal computer has bought by us. 2. Many problems has been found with our new computer.,A personal computer has been bought by us.,Many problems have been found with our new computer.,3. A PC has been builded the way we wanted. 4. Our computer
15、just has been joined to the internet.,A PC has been built the way we wanted.,Our computer has just been joined to the internet.,5. The computer was used every day since we bought it. 6. A lot of e-mails had written on the computer in the past 5 years.,The computer has been used every day since we bo
16、ught it.,A lot of e-mails have been written on the computer in the past 5 years.,被动语态的转换方法及特殊用法,主动语态如何改成被动语态？,1. 主动语态的宾语改成被动语态的主语.,2. 主动语态的谓语动词改成被动语态的谓语动词。do,3. 注意保持时态和人称的一致。,4. 带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词: to, for.,be done,pass, show, send,此类动词有：,5. 一些动词不定式在主动语态中省略to作宾语补足语，改成被动语态时，to必须还原。（feel,listen to,hear,let h
