现在完成时的被动语态ppt课件.ppt

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1、现在完成时的被动语态Revisionv一般现在时的被动语态：v一般将来时的被动语态：am/are/is donewill/shall be doneExercise 11. Sailing races (held) on the lake at 11:30Tuesday. 2. Food (serve) between 12:00 and 14:00 every day.3.Nobody (allow) to enter the stadium without a ticket.4.Whoever breaks the law (punish)will be heldis servedis a

2、llowedwill be punished探究发现v1. Over time I have been changed quite a lot.v2. Since the 1970s many new applications have been found for me.v3. The important problem has been discussed for nearly two weeks.v4. The ink has not been removed from the clothes.v5. Havent your problem been solved?v6. How man

3、y buildings have been bulit in you school?我的发现v1. 以上几句的时态和语态是v2.以上几句中1、2、3、是该时态的句式，4是 句式，5是 句式，6是 句式。现在完成时现在完成时的被动语态的被动语态肯定肯定否定否定一般疑问一般疑问特殊疑问特殊疑问Grammar learningv一、结构v肯定式：v否定式：v一般疑问式：v特殊疑问式：主语+have/has been done主语+have/has not been doneHave/Has +主语+been done特殊疑问词+have/has +主语+been donev1.变换句子The chi

4、ldren have already been told the good news. (否定句) (一般疑问句) (就the children提问)2.补全句子(1) Im sorry, but the letters (not print) yet.(2) The plan (discuss) for nearly two hours.(3) She (not hear) from since then.Exercise 2The children have not been told the good news yet.Have the children been told the go

5、od news yet?Who have been told the good news yet?have not been printedhas been discussedhas not been heardv二、用法1.现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，通常与already, yet, just, never, recently等副词连用。The machine has already been repaired.机器已经被修好了。2.表示一个被动的动作或状态开始于过去，持续到现在，并可能持续下去，常与for或since引导的时间状语连用。Th

6、e plan has been discussed for nearly two hours.这个计划已经被讨论了将近两个小时了。v三、注意事项 1.动词短语变被动式不能漏掉介词或副词The old man has taken care of the little girl.The little girl has been taken care of by the old man.2.含有双宾语的主动语态，在变为被动语态时一般将间接宾语变为主语。如果把直接宾语改为主语，则在间接宾语前加to或for。主动：My mother has given me a shirt.被动：I have been

7、 given a shirt by my mother.被动：A shirt has been given to me by my mother.Exercise 3将下面句子变成被动语态。1. I have asked her to help you. She has been asked to help you (by me).2. We have planted many trees on the hill in the last 5 years. Many trees have been planted on the hill in the last 5 years (by us).3

8、. He has sent me an e-mail. I have been sent an e-mail (by him). An e-mail has been sent to me (by him).Consolidation1. More than 100 famous films (show) in the city since July.2. Since your work (finish), you can have a rest now.3. How many cars (make) in the factory since 1990?4. Three new school

9、(open) in our city in the past 5 years.5. its the first time that the old computer (check) since I bought it.6. Great changes (take) place in my hometown and you can see that a lot of factories (set) up.have been shownhas been finishedhave been madehave been openedhas been checkedhave takenhave been

10、 set7. We want to sit at the table near the window. Im sorry, but it (take) already.8. its said that the bridge (close) for repairs for month. has been takenhas been closed改错改错1. A personal computer has bought by us.2. Many problems has been found with our new computer.3. A PC has been builded the w

11、ay we wanted.4. Our computer just has been joined to the internet.5. The computer was used every day since we bought it.6. A lot of e-mails had written on the computer in the past 5 years.beenhavebuilthas justhas been usedhave been writtenHomework v1. finish the exercise after class.v2. preview the passage Andy- the Android on page 23.