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被动语态被动语态什么叫被动语态？Iclosethe door主主谓谓宾宾isd byme一、被动语态含义 被动语态表示主语是动作的承受者。被动语态表示主语是动作的承受者。 将宾语变主语将宾语变主语 主语变宾语主语变宾语 谓语变谓语变 be+V.pp二、被动语态结构 主主+ be+V.pp+(by sb.)EXERCISE 1.许多树被种。 Many trees are planted (by people). 2.那首歌被唱了许多遍了。 The song is sung many times (by people).八种时态下的被动语态八种时态下的被动语态三、被动语态的时态三、被动语态的时态am/is/are +V.pp1）一般现在时）一般现在时2)一般过去时一般过去时 was/were +V.ppEg:那个杯子昨天被我打破了。那个杯子昨天被我打破了。That cup was broken by me. 3)现在进行时现在进行时 am/is /are being +V.pp Eg: 这里一个新电影院正在被建。这里一个新电影院正在被建。 A new cinema is being built here 4)过去进行时过去进行时 was/were being + V.pp Eg：昨晚八点一个会议正在被召开。：昨晚八点一个会议正在被召开。 A meeting was being held at 8 oclock last night.5)现在完成时现在完成时 has /have been + V.pp eg:工作已经被他们完成了。工作已经被他们完成了。 The work has been finished by them. 6)过去完成时过去完成时 had been + V.pp eg:截止去年底，一个新体育馆已经在北京被完成了。截止去年底，一个新体育馆已经在北京被完成了。 By the end of last year, a new gym had been completed in Beijing.7)一般将来时一般将来时 will be + V.ppEg:如果工厂关闭，成百上千的工作将会被丢如果工厂关闭，成百上千的工作将会被丢 Hundreds of jobs will be lost if the factory closes. 8）过去将来时）过去将来时 should/would be + V.pp Eg:她说消息会被送给她说消息会被送给Tom。 She said that the news would be sent to Tom. 9)情态动词的被动语态情态动词的被动语态 can/may/must be+V.pp Eg:你的作业必须被完成。你的作业必须被完成。 Your homework must be finished.四、句子种类 主+系+表 主+动 主+动+宾 主+动+双宾 主+动+宾+宾补1)主+动+双宾的被动 I give you a book. 主 动 间接宾语 直接宾语 You are given a book (by me). A book is given to you (by me).2) “主主+动动+宾宾+宾补宾补”结构的被动语态，将宾语结构的被动语态，将宾语 变为被动结构中的主语，其余不动变为被动结构中的主语，其余不动.They turned the room into a shop. The room was turned into a shop.主主 动动 宾宾 宾补宾补 3）在使役动词）在使役动词have, make, get以及以及 感官动词感官动词see, watch, notice, hear, feel 等变为被动结构时，要加等变为被动结构时，要加to.I saw a stranger walk into the buildingA stranger was seen to walk into the building. 4) 有些有些动词词组动词词组用于被动结构，用于被动结构，要把它们看作一个整体，要把它们看作一个整体，不能分开不能分开。其中的介词或副词也不能省略。其中的介词或副词也不能省略。 The baby was looked after carefully.She looked after the baby carefully.课堂练习课堂练习（一）改写句子（一）改写句子1. We plant trees in spring every year. _ by us in spring every year.2. She posted the letter yesterday. _ by her yesterday.3. Mr Turner gave me a birthday present. _a birthday present by Mr Turner.4. He is drawing a picture. _ by him.5. You may hand in your homework tomorrow. _ by you tomorrow.6. She is going to write a letter. _ by her.Trees are plantedThe letter was postedI was givenA picture is being drawnYour homework may be handed inA letter is going to be written7. I have given you the new book. _ to you.8. Her bag cannot be found by her. _ her bag.9. Do you often hear her sing Russian songs? _Russian songs by you?10. She doesnt let her son swim in the river. _ in the river by her.11. The bridge was being built by them at this time last year. _ the bridge at this time last year.12. Does she often sing the song? _ by her?The new book has been givenShe cannot findIs she often heard to singHer son isnt let to swimThey were buildingIs the song often sung 1. If city noises _ from increasing，people _ shout to be heard even at dinner A are not kept；will have to B are not kept；have C do not keep；will have to D do not keep；have to 2. The fifth generation computers, _and perfected now. A. developed B. have developed C. are being developed D. will have been developed 3. - _ the sports meet might be put off - Yes，it all depends on the weather A Ive been told B Ive told C Im told D I told ACA4. I need one more stamp before my collection _. A. has completed B. completes C. has been completed D. is completed 5. Rainforests _ and burned at such a speed that they will disappear from the earth in the near future. A. cut B. are cut C. are being cut D. had been cut 6. The new bridge _ by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed7. When part of a pencil is in a glass of water, it looks as if it _. A. breaks B. has broken C. was broken D. had been broken DCBC8. Great changes _ in the city, and a lot of factories _. A. have been taken place; have been set up B. have taken place; have been set up C. have taken place; have set up D. were taken place; were set up 9. That suit _ over 60 dollars. A. had costed B. costed C. is costed D. cost 10. - Look! Everything here is under construction. - Whats the pretty small house that _ for? A. is being built B. has been built C. is built D. is building 11.- Do you like the cloth? - Yes, it _ very soft. A. is feeling B. felt C. feels D. is feltBDAC12. It is difficult for a foreigner _ Chinese A write B to write C to be written D written 13. I have no more letters _ ，thank you A to type B typing C to be typed D typed 14. Take care! Dont drop the ink on your shirt, for it _ easily. A. wont wash out B. wont be washed out C. isnt washed out D. isnt washing out 15. Nobody noticed the thief slip into the house because the lights happened to _. A. be put up B. give in C. be turned on D. go outBCAD16. The computers on the table _ Professor Smith. A. belongs B. are belonged to C. belongs to D. belong to 17. - What do you think of the book? -Oh, excellent. Its worth _ a second time. A. to read B. to be read C. reading D. being read 18. The squirrel was lucky that it just missed _. A. catching B. to be caught C. being caught D. to catch 19. This page needed _ again. A. being checked B. checked C. to check D. to be checked 20. _ many times, the boy still didnt know how to do it. A. Having taught B. Having been taught C. taught D. Teaching DCCDB
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