动词的语态（ppt课件）-2020-2021学年外研版九年级英语下册.pptx

1、动词的时态目录CONTENTS被动语态的基本结构和用法01主动语态和被动语态的转换02相关习题05主要时态的被动语态03主动形式表示被动意义04PARTONE被动语态的基本结构和用法被动语态的基本结构和用法被动语态的基本结构被动语态的基本结构:助动词be+及物动词的过去分词被动语态的基本结构和用法被动语态的用法在被动语态中,主语是动作的承受者，主要用于下列几种情况:1.不知道动作的执行者时。This watch is made in China.这块手表是在中国制造的。2.没有必要指出动作的执行者时。More trees must be planted every year.每年都必须种更多的

2、树。3.需要强调或突出动作的承受者时。如:Chinese is spoken by more and more people in the world.世界上越来越多的人在说汉语。PARTTWO主动语态和被动语态的转换主动语态和被动语态的转换先将主动句里的宾语变为被动句中的主语,若主动句中的宾语是人称代词,要将宾格变成主格。然后把主动句中的主语然后把主动句中的主语变为被动句中的宾语变为被动句中的宾语,主主格代词变成宾格代词格代词变成宾格代词,并并由由by 引出引出。PART ONEPART TWOPART THREE最后将主动句中的谓语动词变成相应的被动形式。一、“主语+谓语+宾语”句型变为被

3、动语态主动语态和被动语态的转换一、“主语+谓语+宾语”句型变为被动语态主动语态:动作执行者+谓语动词主动形式+动作承受者被动语态:动作承受者+谓语动词被动形式+动作执行者如:We asked him to sing an English song.(变为被动语态)He was asked to sing an English song by us.主动语态和被动语态的转换二、“主语+谓语+双宾语（sb.sth.)”句型变为被动语态谓语动词带双宾语时,既可以将间接宾语转化成主语,也可以将直接宾语转化成主语,则保留直接宾语：若将直接宾语转化成主语，则保留间接宾语，且在被保留的间接宾语前加上介词。S

4、he gave me a book.(变为被动语态)I was given a book by her.(将间接宾语改为主语)A book was given to me by her.(将直接宾语转化成主语）主动语态和被动语态的转换宾语加上宾语补足语一起构成复合宾语。变被动语态时,只把宾语变为被动句的主语,宾语补足语保留在原处,成为主语补足语。三、“主语+谓语+宾语+宾补”句型变为被动语态I heard Jane playing the piano in her room.(变为被动语态)Jane was heard playing the piano in her room.主动语态和被动

5、语态的转换四、主动语态中“四看”(lookat,watch,see,notice)“三让”(let,make,have)“二听”(listen to,hear)“一感觉(feel),变为被动句时,应加上不定式符号to。He makes the girl stay at home.(变为被动语态)The girl is made to stay at home by him.主动语态和被动语态的转换12Jack watered the flowers yesterday.The flowers were watered by Jack yesterday.We often see him pla

6、y basketball on the playground after school.He is often seen to play basketball on the playground by us after school.We took good care of the sick dog.The sick dog was taken good care of by us.PART THREE主要时态的被动语态主要时态的被动语态时态主动语态被动语态例句主动语态被动语态一般现在时do/doesam/is/are doneWe clean the classroom The classr

7、oom is cleaned by us一般过去时didwas/were doneHe made the kiteThe kite was made by him一般将来时will/shall/be going to will/shall/be going to be doneThe will plant trees tomorrowTress will be planted by them tomorrow现在进行时am/is/are doingam/is/are being doneShe is watering the folwers The flowers are being wate

8、red by her现在完成时have/has donehave/has been doneJim has finished the workThe work has been finished by Jim过去进行时was/were doingwas/were being doneShe was writing a letter this time yesterdayA letter was being written by her this time yesterday 过去完成时had donehad being doneJim had finished the work by last

9、 week The work had been finished by Jim by last week 过去将来时would/be going to do would/be going to be doneHe said he would make a kite He said a kite would be made by him主要时态的被动语态根据汉语提示完成句子The sports meeting _in November.运动会将于十一月举行。I wont go there unless he_除非他被邀请,否则我是不会去那里的。No decision_还没有做出决定。PARTFO

10、UR主动形式表示被动意义主动形式表示被动意义01open,lock,write,read,sell,clean,wash,draw,burn,cook等词作不及物动词且它们的主语为物时,可用主动形式表示被动意义。这支钢笔写起来很流物。02二、look,sound,taste,smell等系动词用主动形式表示被动意义。晚饭闻起来不错。This pen writes very smoothly.The dinner smells good.主动形式表示被动意义03三、be worth doing是主动形式表示被动意义。这部电影值得一看。04四、want/need/require+doing相当于“

11、want/need/require+to be done”我的自行车需要修理。My bike needs repairing.=My bike needs to be repaired.This film is worth seeing.PARTFIVE相关习题相关习题As China grows stronger and stronger,Chinese_ in more schools out of our country.A.teachesB.will teachC.is taught D.was taught Mom,can I go out to playfootball with

12、my friends?No.You can do that as soon as your homework_A.is doneB.will be doneC.have doneD.doesIf more trees and flowers_ our city will be more beautiful.A.plantedB.are plantedC.will be plantedD.were plantedI _ TV on Sunday.But on weekdays I cant.A.am allowed watch B.am allowed watchingC.am allowed

13、to watchD.allow to watch-Why are you so excited,Henry?一Havent you heard the news?The 2022 WinterOlympic Games_ in BeijingA.is heldB.was heldC.will be heldD.has been heldCABCC相关习题 The Internet plays an important part in our daily life.More and more things_easily.A.can buyB.buyC.will buyD.can be bough

14、tSo far many peoples lives _with the help of the medical workers.A.are savedB.were savedC.have been savedD.will be savedIt made me very disappointed when my favorite programme_A.canceledB.is canceledC.was canceledD.has canceled lliAre you going to Lucys birthday party?一No,because I_A.have invitedB.h

15、avent invitedC.have been invitedD.havent been invitedI think students _to wear their uniforms at school.A.askB.askedC.are askingD.should be askedDCCDD相关习题I want to borrow the book,but I dont know how long it may_For two weeks.A.borrowB.be borrowedC.keepD.be keptI failed my math test again!Come on!Yo

16、ud better practice more.Too much time_ on computer games in the past.A.wastedB.was wastedC.is wastedD.had wastedEvery day,too much water_in the world.People should save it.A.wastesB.wastedC.is wastedD.was wastedDBC相关习题In the past years,many Chinese large satellites(卫星)_up into space.A.are sentB.were sendingC.will be sentD.have been sentGina went to the doctors yesterday and she_about the importance of good living habits once more.A.toldB.is told C.was toldD.has toldThe books_well and all of them_A.were sold;were sold outB.were sold;were sold upC.sold;were sold outD.sold;sold up D CCGOODBYE