被动语态专题讲解课件

1、被动语态（The Passive Voice）：1）主动语态和被动语态：英语动词有两种语态，即主动语态（The Active Voice）和被动语态（The Passive Voice）。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如：Many students study English.(主动语态) English is studied by many students.(被动语态) 被动语态：当主语为动作的承受者时，用被动语态。结构：be+动词过去分词1) We clean the classroom every day. The classroom is clean

2、ed (by us) 2) Teachers allow students to wear their own clothes. Students are allowed (by teachers) to wear their own clothes.一般现在时一般现在时被动语态的用法:1.只知道动作的承受者;如,A note was passed up to the speaker.2.强调动作的承受者;如,Table tennis is played all over China.3.不需要指出动作的发出者.如，Another bridge has been built across th

3、e Changjiang River.2)被动语态的结构：被动语态由“助动词be+及物动词的过去分词”构成，助动词be有人称、数的变化,其变化规则与be作为连系动词时一样。如：The desk is made of wood. The desks are made of wood.He is asked a question by the teacher.I was given a nice present by my friend yesterday.被动语态的基本结构:be + PP(动词的过去分词）一般现在时: v. be + PP. am is areOur classroom is

4、cleaned everyday.I am asked to study hard.Knives are used for cutting things+ PP.be + PP(动词的过去分词）被动语态的基本结构:一般过去时: S + 动词的过去式was were+ PP.I was invited to the concert. 我应邀参加了音乐会.Cars were invented in 1885. 汽车是在1885年发明的.被动语态的基本结构:be + PP(动词的过去分词）一般将来时: will + V.be+ PP(动词的过去分词）1.A new hospital will be

5、built in our city.2.Many more trees will be planted next year.被动语态的基本结构:be + PP(动词的过去分词)现在进行时: be + Vingbeing+ PP(动词的过去分词）This question is being discussed at the meeting. 这个问题正在会上讨论.Many trees are being cut down . 许多树正在被砍伐.am is are+被动语态的基本结构:be + PP(动词的过去分词）过去进行时: was were + Vingbeing+ PP(动词的过去分词）W

6、hen I called , tea was being served. 我来访时,正值上茶之际.When I came back, the boy was being beaten. 我回来时,有人正打男孩呢.被动语态的基本结构:be + PP(动词的过去分词）现在完成时: have has + PPbeen+ PP(动词的过去分词） My car has been repaired. 2. This book has been translated into many languages.3. Many man-made satellites have been sent up into

7、space by many coutries.被动语态的基本结构:be + PP(动词的过去分词）过去完成时: had + PPbeen+ PP(动词的过去分词）Tom looked at the lanterns that had been lighted and placed near the opening. 汤姆望着那些已经点着并放在洞口附近的提灯.The portieres that hung across the folding doors had been taken down for the summer. 折门上面的门帘夏天已经取下来了.被动语态的基本结构:be + PP(动

8、词的过去分词）过去将来时: would + V.be+ PP(动词的过去分词）He said that the bridge would be built next year. 他说这座桥明年将建成.Another half-hour and all doors would be locked. 再过半小时,所有的门都要上锁.被动语态的基本结构:be + PP(动词的过去分词）情态动词 + V.be + PP(动词的过去分词）This must be done as soon as possible. 这件事必须尽快做.These stairs are very dangerous. They

9、 should be repaired. 这楼梯很危险,应该修理了.Cross the road very carefully. Look both ways, or you might be knocked down. 过马路时要非常小心，要看两边,不然会被车撞倒的.含有情态动词的被动语态：1) Teenagers should be allowed to get their ears pierced.2) This must be done as soon as possible.3) It can be repaired.结构：情态动词be+动词过去分词主动句变为被动句所遵循的4个步骤：

10、1 把原主动句中的宾语变为被动句的主语。2 把动词变为被动形式即be +过去分词，并注意其人称和数随主语的变化，而动词的时态则保持不变。3 原主动句的主语如需要则放在by后面以它的宾格形式出现（注代词的宾格），如不需要则可省略。4 其它的成分（定语、状语）不变。主动句与被动句之间的转换 We bought some books. 主语 谓语动词主动语态的过去式 宾语 Some books were bought ( by us ) 主语 谓语动词被动语态的过去分词 介词+ 宾语 For example:IloveEnglish.Englishis lovedby me.如何将主动语态变为被动语

11、态?Many people speak English.(主动语态)English is spoken by many people.(被动语态)The naughty boy broke the window yesterday.(主动语态)The window was broken ( by the naughty boy) yesterday.(被动语态)We can repair this watch in two days.This watch can be repaired in two days.They should do it at once.It should be don

12、e at onceAll the 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.Uncle Wang is mending my bike now.My bike is being repaired by Tom now.They are planting trees over there.

13、 Trees are being planted over there by them.There are two books to be read. There are two more trees to be planted. Bruce writes a letter every week. A letter is written by Bruce every week.2. Li Lei mended the broken bike this morning. The broken bike was mended by Li Lei this morning.3. He has wri

14、tten two novels so far. Two novels have been written by him so far.4. They will plant ten trees tomorrow. Ten trees will be planted by them tomorrow.5. Lucy is writing a letter now. A letter is being written by Lucy now.6. You must lock the door when you leave. The door must be locked when you leave

15、.5)Exercises:一.选择填空:Windows_ of glass.be made B. is made C. are made D. been made2. The house_ in 2004.is built B. is building C. was built D. used3. A coat can_ for keeping warm.be used B. is used C. been used D. usedCCA4. Watches_ Shanghai last long. A. are made in B. is made C. are made from D. m

16、ade5. This desk is made _ wood. A. of B. from C. in D. by6. The things on show were _ the old days. A. used B. used to C. used for D. used in7. Silk _ in Hangzhou and Suzhou. A. is produced B. are produced C. produced D. is produces AADA 1.Our school _in 2002.(开办)2.The young trees must_well.(照顾)3. _

17、 this building_(建成)last year?4.The book _ _(写)by him last year.5. The bridge _ _(不建造)in1989.6.The 29th Olympic Games will_ _ (举行) in Beijing in 2008.was openedbe looked afterWas built was writtenwasnt builtbe held将下列句子由主动句变为被动句或由被动句变为主动句：Zheng Jie invented this special pen.变被动句 2)The bike was fixed

18、up by Jimmy. 变主动句3) People use sunglasses to protect their eyes.4) Teachers allow students to put up hands in class.This special pen was invented Zheng Jie. Jimmy fixed up the bikeSunglasses are used (by people) to protect eyes.Students are allowed (by teachers) toput up hands in class.用所给动词的正确形式填空：

19、 1) The bike _(fix) up by Xiao Ming yesterday. 2) Sunglasses _ (use) for protecting peoples eyes. 3) A picture _(put) up on the blackboard. 4) French_ (speak) in France. 5) Teenagers should _(allow) to choose their own clothes.was fixedare usedis putis spokenbe allowed练习一 请把下列的主动句变为被动句（注意时态的一致）1 He

20、wrote an article last week.An article was written by him last week. 2 The people make history.History is made by people.3 Do people use Chinese only in China?Is Chinese used by people only in China?4 They didnt visit the city two years ago. The city wasnt visited by them two years ago.5 Where did yo

21、u make them?Where were they made by you? 一 用适当的形式填空 1 History is _ by the people. ( make) 2 He is often _ to do the work by the teacher. (ask) 3 The book _ by him last year. ( write ) 4 The radio _ last week. ( mend) 5 Some trees _ on the hill this spring. (plant) 6 A new subway _ (build) next year.

22、 7 She _ (take) to the hospital already. 8 Thousands of satellites _ (send) up into the space so far. 9 They said they _ (invite) to the party already. 10 The trains _( produce) in Zhuzhou. 11 Young trees should _(water) often.madeaskedwas writtenwas mendedhave been plantedwill be builthas been take

23、nhave been senthad been invitedare producedbe wateredMultiple Choice:1. ( ) If the work _,you can go and play games. A. finished B. has finished C. will be finished D. is finished 2. ( ) It was raining heavily outside, the children were made _ in the classroom. 4. ( ) To make our city more beautiful

24、, rubbish _ into the river. A. neednt be thrown B. mustnt be thrown C. cant throw D. may not throw5. ( ) I like my bike. It _ very well. A. rides B. is riding C. is ridden D. has riddenDBBA 3. ( ) Kate _ the letter before her mother came into her bedroom.A. has written B. was written C. had written

25、D. is writing A. stay B. to stay C. staying D. stayedC6. ( ) I wont come to the party unless Tom _, too. You mean if Tom comes ,youll come.8. ( ) The children must _. 9. ( ) The woman still doesnt know what _ in her hometown DDBA. will invite B. invites C. invited D. is invited7. ( ) Everyone who he

26、ard Mr. Greens story _ it.A. laughed at B. was laughed C. laughed D. was laughed atAA. happens B. happened C. will happen D. was happened while she was away.A. look after B. be taken good care C. look the same D. be taken good care of10. ( ) I saw you were on foot this morning. Yes. My bike _. A. is

27、 mending B. is being mended C. is mended D. is being mendingB 由 不及物动词+介词或副词构成的被动语态主动句 主语 +不及物动词 +介词 +宾语被动句 主语(原宾语) +be +介词 + by +原主语之宾格She looks after her grandmother. (主动句 )Her grandmother is looked after by her.被动句 )My friends laughed at me all the time. (主动句 )I was laughed at by my friends all th

28、e time. (主动句 )注 :介词不能省略 =及物动词注意：在主动句中see ，watch ，hear，make 等后+宾语+动词原形的结构变为被 动句时一律在see ，watch ，hear， make等后加上to。练习1 We hear birds sing every morning.Birds are heard to sing by us every morning. 2 His father made him stay at home.He was made to stay at home by his father.其他:1. I often hear him sing songs in the next room.He is often heard to sing in the next room.2. The boss makes the workers work fifteen hours a day.The workers are made to work fifteen hours a day.1. Alexande