【人教版】必修二-unit-3-computers-grammar優(yōu)質(zhì)課件

1、Learning about LanguageThe Present Perfect Passive Voice Learning about LanguageThe PrerevisionWill/shall +be + V過去分詞構(gòu)成形式:一般將來時(shí)被動(dòng)語態(tài)(Future Passive Voice)shall 用于第一人稱: I /we , will 用于任何人稱be going to be +V過去分詞be to be +V過去分詞否定句: 一般疑問句:在will/shall后+not把will /shall 提前revisionWill/shall +be The students

2、of class one will clean the playground.The playground will be cleaned by the students of class one. We are going to hold a meeting on Saturday afternoon.A meeting is going to be held (by us) on Saturday afternoon.The twins are to repair the machine tomorrow. The machine is to be repaired (by the twi

3、ns) tomorrow.The students of class one willThe host will give the winner a computer as the prize.獲勝者將被贈(zèng)予一臺(tái)電腦作為獎(jiǎng)勵(lì). The winner will be given a computer as the prize (by the host).一臺(tái)電腦將被贈(zèng)給獲勝者作為獎(jiǎng)勵(lì).A computer will be given (by the host) to the winner as the prize.The host will give the winner Lead-inAre

4、you familiar with these computers? Can you call them?palmtoplaptop/ notebookdesktop PCLead-inAre you familiar with t WW PCwrist-worn/wearable PCA wrist-worn PC has been invented recently.A pen-like computer has already been developed. WW PCA wrist-worn PC Can you make more sentences similar to the s

5、entences above? “have/has been done ?” Can you make more sentences sA calculating machine; replaceThe buildings; destroy ; earthquakeA calculating machine has been replaced with the laptop.The buildings have been destroyed in an earthquake.【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 compute

6、rs grammar優(yōu)質(zhì)課件A calculating machine; replaceA calculating machine has been replaced with the laptop.The buildings have been destroyed in an earthquake.3. The sports meeting has already been held in our school. Do the underlined parts have something in common?Discovering:has/have been done現(xiàn)在完成時(shí)被動(dòng)語態(tài)現(xiàn)在

7、完成時(shí)的被動(dòng)語態(tài)the Present Perfect Passive Voice【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件A calculating machine has been現(xiàn)在完成時(shí)的被動(dòng)語態(tài)的用法 1.表示一個(gè)被動(dòng)的動(dòng)作發(fā)生在說話之前,強(qiáng)調(diào)對(duì)現(xiàn)在造成的影響和結(jié)果.The door has been locked.2.表示一個(gè)被動(dòng)的動(dòng)作或狀態(tài)開始于過去,持續(xù)到現(xiàn)在,并可能持續(xù)下去,常與for 或since引導(dǎo)的時(shí)間狀語連用,或用于How long.?句型中.The import

8、ant problem has been discussed for nearly two weeks.How long has the machine been used? 現(xiàn)在完成時(shí)的標(biāo)志:recently /already/yet for+一段時(shí)間 /since+時(shí)間點(diǎn)【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件現(xiàn)在完成時(shí)的被動(dòng)語態(tài)的用法現(xiàn)在完成時(shí)的標(biāo)志:recently句型He has been sent to study the new technology in the comp

9、any.否定句:He has not been sent to study the new technology in the company.一般疑問句: Has he been sent to study the new technology in the company?特殊疑問句: Where has he been sent to study the new technology?在have /has 后加nothave /has 提前疑問詞+have (has)+主語+been+ V過去分詞.+.?【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】

10、必修二 unit 3 computers grammar優(yōu)質(zhì)課件句型在have /has 后加nothave /has 提前Great changes _ in the city , and a lot of factories _. A. have been taken place ; have been set upB. have taken place; have been set upC. have taken place; have set upD. were taken place; were set upB【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件

11、【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件Great changes _ in the1.They not have finished the homework which should be finished yesterday.2.Does the new program have been developed for the robot?3.How many have teachers been interviewed for the job?Has the new programhave notteachers havecorrect mistakes【

12、人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件1.They not have finished the h二、現(xiàn)在完成時(shí)的被動(dòng)語態(tài)應(yīng)注意的幾個(gè)問題 1.請(qǐng)注意現(xiàn)在完成時(shí)的被動(dòng)語態(tài)的兩個(gè)助動(dòng)詞,即have/has和been,兩者缺一不可。 2. 請(qǐng)注意與一般過去時(shí)的被動(dòng)語態(tài)的區(qū)別。一般過去時(shí)的被動(dòng)語態(tài)所表示的動(dòng)作或狀態(tài)與現(xiàn)在的情況沒有聯(lián)系,而現(xiàn)在完成時(shí)的被動(dòng)語態(tài)則強(qiáng)調(diào)與現(xiàn)在情況的聯(lián)系. The bridge was built last year. 這橋是去年建成的。The bridge has

13、been built. 這橋已經(jīng)建好了?！救私贪妗勘匦薅?unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件二、現(xiàn)在完成時(shí)的被動(dòng)語態(tài)應(yīng)注意的幾個(gè)問題【人教版】必修二 u三、 鞏固練習(xí)1.How many times_ not to play with fire? Im sorry. Ill never do that again. A. do you tell B. had you told C. are you told D. have you been told 2.The fire _ to the fift

14、h floor. _ all the people _? A. has got; Have; been savedB. has been got; Have; saved C. has got; Do; save D. has got; Have; saved3.Do you know the thief _ by the police? has caught B. has been catchingC. was caught D. has been caught 【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers gr

15、ammar優(yōu)質(zhì)課件三、 鞏固練習(xí)【人教版】必修二 unit 3 computHomework:準(zhǔn)備月考【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件Homework:準(zhǔn)備月考【人教版】必修二 unit 3 c3.請(qǐng)注意一些特殊動(dòng)詞,如borrow, finish, begin, buy, start, return, marry, open, join等構(gòu)成的現(xiàn)在完成時(shí)的被動(dòng)語態(tài)不能與表示一段時(shí)間的狀語連用。若要表達(dá)相應(yīng)的意思,則需改換動(dòng)詞或時(shí)態(tài)。如: 誤 How long has this

16、book been bought?正 How long ago was this book bought?但這類動(dòng)詞的否定式可表示動(dòng)作的持續(xù)過程,具有連續(xù)性,因而可與since或for引導(dǎo)的時(shí)間狀語連用。如:No books have been bought since last week.自上周以來,沒有人來買過書?！救私贪妗勘匦薅?unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件3.請(qǐng)注意一些特殊動(dòng)詞,如borrow, finish, b4.This is one of the happiest days _

17、 spent in my life.A. that have ever been B. that have never beenC. which was ever D. which we have never5.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 been decided【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit

18、3 computers grammar優(yōu)質(zhì)課件4.This is one of the happiest 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)A. are not decided B. have not been decided C.

19、 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) completed B. complete C. had been completed D. have been completed BDD【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件1. How long _ at this jExample: I h

20、ave 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 h

21、is 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 :【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件Example: I have read this boo2

22、. Change the following sentences into the Present Perfect Passive Voice. Put the verbs into correct form. Recently 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 wi

23、th 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 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 com

24、puters.【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件2 . Change the following sente8. All the preparations for the project _,And were ready to start. completed B. had been completed C. complete D. have been completed9. Great changes _ in the city , and a lot of factories

25、_. have been taken place ; have been set upB. 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 D. has been laidDBB【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3

26、 computers grammar優(yōu)質(zhì)課件8. All the preparations for thWhat has been decidedExample: S1: It has been decided that those who do not do heir homework will be asked to return to school on Saturday. S2:It has been decided that those who keep the classroom tidy should be allowed to go home early everyday.S3

27、: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 as you can.Collect the ones you all like best and be prepared to tell them to the class.Play a game:【人教版】必修二 unit 3 computers grammar優(yōu)

28、質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件What has been decidedExample: He has been writing the report for two days.變?yōu)楸粍?dòng)語態(tài)的結(jié)構(gòu)是： The report has been written by him for two days. 【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件He has been writing the report5.Some new oil fields

29、_ since 1976.A. were opened up B. has opened up C. have been opened up D. had been opened up6.The silence of the library_ only by the sound of pages being turned over.A. has been broken B. breaks C. broke D. was broken7.-_ the sports meet might be put off.-Yes, it all depends on the weather.A. Ive b

30、een told B. Ive told C. Im told D.I told為D,C,B,D,C,A和A 【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件5.Some new oil fields_ sin1.現(xiàn)在完成時(shí)被動(dòng)語態(tài)肯定句主語+has/ have been +P.P.+.(P.P.=動(dòng)詞的過去分詞形式)Her motorbike has been stolen.她的摩托車被盜了。All the offices have been linked by computer.所有的售票處

31、由計(jì)算機(jī)聯(lián)網(wǎng)工作。2.現(xiàn)在完成時(shí)被動(dòng)語態(tài)否定句主語+has/ have +not+ been+ P.P.+.The task has not been finished yet.任務(wù)尚未完成。Many skilled workers have not been trained in the company.這家公司并沒有培養(yǎng)多少熟練工人?！救私贪妗勘匦薅?unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件1.現(xiàn)在完成時(shí)被動(dòng)語態(tài)肯定句【人教版】必修二 unit 3 3.現(xiàn)在完成時(shí)被動(dòng)語態(tài)一般疑問句句型1Has he(

32、she, it,單數(shù)名詞)+been+P.P.+.?Has a new computer been bought?買了一臺(tái)新電腦嗎?Have they been sent abroad to study Eng-lish?他們已經(jīng)被派往國外學(xué)英語了嗎?4.現(xiàn)在完成時(shí)被動(dòng)語態(tài)特殊疑問句疑問詞+have (has)+主語+been+ P.P.+.?What has been bought by Tom?湯姆已經(jīng)買了什么東西?Who have been helped by the new computer?誰已經(jīng)得到這種新計(jì)算機(jī)的幫助?How many buildings have been bui

33、lt in this school?這所學(xué)校已經(jīng)建造了多少座大樓? Where has the car been repaired?這輛小汽車已經(jīng)在哪里修理好了? 【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件【人教版】必修二 unit 3 computers grammar優(yōu)質(zhì)課件3.現(xiàn)在完成時(shí)被動(dòng)語態(tài)一般疑問句【人教版】必修二 unit 1構(gòu)成： 主動(dòng)語態(tài) 被動(dòng)語態(tài)現(xiàn)在完成時(shí) 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