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1、【被动语态】（一）语态：英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。例如：Many people speak Chinese. 谓语：speak的动作是由主语many people来执行的。被动语态表示主语是动作的承受者，即行为动作的对象。例如：Chinese is spoken by many people. 主语English是动词speak的承受者。（二）被动语态的构成被动语态由“助动词be及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。现以speak为例说明被动语态在各种时态中的构成。一般现在
2、时：amisarespoken一般过去时：waswerespoken一般将来时：willshall bespoken现在进行时：amisare beingspoken过去进行时：was/were beingspoken现在完成时：havehas beenspoken过去完成时：had been + spoken（四）主动语态变被动语态的方法（1）把主动语态的宾语变为被动语态的主语。（2）把谓语变成被动结构（be过去分词） （根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定be的形式）。（3）把主动语态中的主语放在介词by之后作宾语，将主格改为宾格。例如：All the
3、 people laughed at him. He was laughed at by all people.They make the bikes in the factory. The bikes are made by them in the factory.He cut down a tree. A tree was cut down by him.（五）含有情态动词的被动语态含有情态动词的主动句变成被动句时，由“情态动词be过去分词”构成We can repair this watch in two days.This watch can be repaired in two da
4、ys.二、典型例题 （ ）1The Olympic Games _every four years. A are held B were held Care holding Dwill ho1d（ ）2. In the art show，a lot of enjoyment _ _to foreign friends by the Chinese paintings A is giving B is given C will give D has given（ ）3. Today Chinese is becoming more and more popular. It _in. many s
5、chools around the world. A. teaches B. is teaching C. has taught D. is taught（ ）4. Ba Jin, one of the greatest writers in China, _as Peoples Writer. A. is regarded B. has regarded C. is regarding D. regards（ ）5. Usually computers _to search the Internet. A. use B. are using C. are used D. used（ ）6.
6、-Do you often clean your classroom? -Yes. Our classroom _every day. A. clean B. cleans C. is cleaned（ ）7.一Did you hear that water in Tai Lake smelt terrible? 一YesIn fact，it _.Thats all because of the people and the factories around A polluted B was polluted C has polluted Dwas po11ute（ ）8. -Our envi
7、ronment is getting worse than before. -Youre right. But thanks to Earth Day_, people have done more and more useful things to protect(保护)the earth since Earth Day.A. is started B. was started C. has started（ ）9. -I feel very happy that I _to be the host. -Congratulations!A. choose B. am chosen C. wa
8、s chosen D. haven chosen（ ）10. Many trees and flowers _ in our school last year，and they made our school a beautiful garden Aplant Bplanted Chave planted Dwere planted（ ）11.Some famous paintings _in the hall next week. A. will show B. were shown C. is shown D. will be shown（ ）12. A talk on developme
9、nts in science and technology in the school hall next week . A. given B. will be given C. has been given D. gives（ ）13.-Great changes have taken place in this city. -Right. Many modern tall buildings have been _ these days. A. turned upB. put up C. shown up D. fixed up（ ）14.Twelve-year-olds should n
10、ot to drive in China. A. allow B. be allow C. allowed D. be allowed（ ）15.Do you often clean your classroom? Yes, our classroom _ every day.A. clean B. cleans C. is cleaned D. Cleaned（ ）16Susan, why are you still here? They are all ready to start. Im sorry, but I _ when to meet. A. dont tell B. didnt
11、 tell C. havent told D. wasnt told（ ）17Many old houses around our school _ next year and a large green area will appear. A. pull downB. will be pulled downC. will pull downD. are pulled down（ ）18- My watch _. - Dont worry. Lets go to the Lost & Found. A. is lost B. is broken C. has found D. has stopped（ ）19-Did you go to Sams weekend party? -No, I_. A. am not invitedB. wasnt invitedC. havent invitedD. didnt invite（ ）20- How often _ your school sports meeting _? - Once a year.A. does; hold B. was; hold C. is; held D. did; hold
