现在完成时的被动语态-课件.ppt

1、.Revision Check the homework exercises.Ex1:1 totally 2 revolution 3 artificial intelligence 4 birth 5 simple-minded 6 go by 7 deal with 8 network 9 truly 10 anyway Ex2:revolution;network;went by;totally;truly;simple-minded;Anyway;deal with Ex3:1 totally 2 amazed 3 exciting 4 excited 5 cheaply 6 unlu

2、cky.Are you familiar with these computers?Can you call them?.A wrist-worn PC A wrist-worn PC has been invented has been invented recently.recently.A pen-like computer A pen-like computer has has already already been developed.been developed.The new campus of TianTai High schoolThe new campus of Tian

3、Tai High schoolhas has alreadyalready been built been built.The houses The houses have been destroyed have been destroyed by the storm.by the storm.The Suntown The Suntown has been set up has been set up in Taizhou.in Taizhou.Many high buildings Many high buildings have been built have been built th

4、ere.there.A big swimming pool A big swimming pool has has alsoalso been built been built.Lots of beautiful flowers and trees Lots of beautiful flowers and trees have have been planted been planted .A new bridge A new bridge has been completed has been completed .1.As the year have gone by,I 1.As the

5、 year have gone by,I have been made have been made smaller and smaller.smaller and smaller.2.A wrist-worn PC 2.A wrist-worn PC has been inventedhas been invented recently.recently.3.Many new buildings 3.Many new buildings have been builthave been built in TianTai in TianTai since 1990.since 1990.4.A

6、 new library4.A new library hashas already already been builtbeen built in TianTai in TianTai High school.High school.5.The houses 5.The houses have been destroyedhave been destroyed by the storm.by the storm.6.Several soldiers6.Several soldiers havehave already already been killedbeen killed in the

7、 in the conflict.conflict.Do the underlined parts have something in common?Discovering:.1构成：构成：主动语态主动语态 被动语态被动语态现在完成时现在完成时 have/has doneHe 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

8、 built in this city?The Present Perfect Passive Voice （现在完成时的被动语态）现在完成时的被动语态）have/has been doneLearning the structure:.2.只有及物动词才有被动语态，只有及物动词才有被动语态，不及物动词不及物动词（词组）没有被动语态（词组）没有被动语态,如如:happen,take place,die,appear,disappear,fail,remain,lie,last,sit,stand,break out,come true,belong to等如：等如：What has happe

9、ned to your brother?3但许多不及物动词加介词或副词构成的短语但许多不及物动词加介词或副词构成的短语动词，相当于及物动词，相当于及物 动词，也可以有被动语态。动词，也可以有被动语态。但短语动词是一个不可分割的整体，变为被动但短语动词是一个不可分割的整体，变为被动语态时，语态时，不可丢掉构成短语的介词或副词不可丢掉构成短语的介词或副词。如：。如：eg 1)The child has been taken good care of byGrandma Wang all these years.A notice has been put up on the wall.Example

10、:I have read this book many times.This book has been read many times.1.We have completed all the preparations for the task,and were ready to start.2.This company has produced new types of computers.3.They have interviewed several teachers for the job.4.George has sent some texts and pictures to his

11、friends cellphone.5.They have developed some programmes for the human resource department of their company.1.Change the following sentences into the Present Perfect Passive Voice.Practice:.2.Change the following sentences into the Present Perfect Passive Voice.Put the verbs into correct form.Recentl

12、y we have bought a new personal computer.We have used the computer every day since we bought it.We have just joined our computer to the Internet.However,we have found many problems with it.So we have decided to ask a professional man to fix it.Soon he has fixed the computer.He has built a PC way we

13、wanted.How excited we are!These days we have written a lot of E-mails on the computer.We have decided to write a report about the positive and the negative effects of using computers.-Whats happening in the new area?-New houses_ recently over there.are built B.built C.have built D.have been built2.T

14、his is a photo of the power station that_ in my hometown.A.has set up B.has been set up C.was set up D.is set up 3.There is a police car in front of our neighbors house.What do you suppose _?A.did happen B.has happened C.is happen D.has been happenedDBBExercises:Choose the best answers .5.Every poss

15、ible means _ to prevent the air pollution,but the sky is still not clear.is used B.are used C.has been used D.have been used6.No permission _ for anyone to enter the Building.has been given B.has given C.has to give D.has been giving7.The police found that the house _ and a lot of things _.has broke

16、n into;has been stolen had broken into;had been stolen has been broken into;stolenA.had been broken into;stolenCAD.8.All the preparations for the project _,And were ready to pleted B.had been completed C.complete D.have been completed 9.Great changes _ in the city,and a lot of factories _.have been

17、taken place ;have been set up B.have taken place;have been set upC.have taken place;have set upD.were taken place;were set up10.The book _ under the bench for two days.has put B has been lying C.has been put A.D.has been laidDBB.What has been decidedWhat has been decidedExample:S1:It has been decide

18、d that those who S1:It has been decided that those who do not do heir homework will be asked to return do not do heir homework will be asked to return to school on Saturday.to school on Saturday.S2:It has been decided that those who keep the S2:It has been decided that those who keep the classroom t

19、idy should be allowed to go home classroom tidy should be allowed to go home early everyday.early everyday.S3:It has been decided S4:S3:It has been decided S4:Get into groups of four.Your task is to decide what has been decided for the class.Take turns to make the ideas as interesting or as lively a

20、s you can.Collect the ones you all like best and be prepared to tell them to the class.Play a game:.1.-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 2.When and where to go for the on-salary holiday _yet.(2003 上海春季上海春季)A

21、.are not decided B.have not been decided C.is not being decided D.has not been decided3.All the preparations for the task_,and were ready to start.(2000 北京春季北京春季)completed B.complete A.C.had been completed D.have been completed BD高考链接高考链接:DHomework:1.Finish Exercise 1 on P57.1.Finish Exercise 1 on P57.2.Revise the passive voice.2.Revise the passive voice.