新目标英语九年级Unit5+被动语态讲解（共27张PPT）.ppt

The Passive Voice被动态被动态 英语中动词有英语中动词有主动语态主动语态和和被动语态被动语态两种两种语态主动语态表示主语是动作的执行者语态主动语态表示主语是动作的执行者,被被动语态表示主语是动作的承受者动语态表示主语是动作的承受者, 在被动语态在被动语态中动作的执行者有时用中动作的执行者有时用by短语表示出来短语表示出来.一般现在时一般现在时(simple present)：： S(主语主语)+am/is/are +过去分词过去分词(done)一般过去时一般过去时(simple past)：： S(主语主语)+was/were +过去分词过去分词(done)waterwatered watereduseused usedstudystudied studiedstopstopped stoppeddodid doneriderode riddenFor examplefind found found makemade madebuild built builtsweep swept swepttake took takenbuy bought boughthave had hadLet’s have a try.sing sang sungtelltold toldgivegave givenShe waters the flowers every day.The flowersevery day.are watered (by her)They do their homework after school.Their homework is done (by them) after school.He plays basketball every week. Basketball is played (by him) every week.My mother sweeps the floor every day.The floor is swept (by my mother) every day.2. I bought a computer last term．． A computer was bought (by me) last term.The light was invented (by Thomas Edison).inventThomas Edison invented the light. Jim rode the motorbike to his factory yesterday.The motorbike was ridden (by Jim ) to his factory yesterday. They had an evening party last week.An evening party was had (by them )last week.The Great Wall was built (by Chinese people) many years ago.Chinese people built the Great Wall many years ago.The students planted many trees yesterday.Many trees were planted (by the students) yesterday. Ann can take good care of the cats ．．The cats can be taken good care of by Ann.情态动词情态动词(model verb)：： S+ can/must/should等情态动词等情态动词 + be+过去分词过去分词 He can carry the basket. The basket can be carried (by him).They can sing some beautiful songs.Some beautiful songs can be sung by them.We should clean the classroom every day.The classroom should be cleaned by us every day.1.People use knives for cutting things.Knives ______ ______ for cutting things.2.The students clean the windows of their classroom twice a month.The windows of their classroom______ _______ twice a month. are usedarecleaned(变被动语态）变被动语态）七嘴八舌3.I found the ticket on the floor.______ ______ ______ ______ on the floor.4.I told her to return the book in time.She ______ _______ to return the book in time.The ticket was found was told3. We found the ticket on the floor .5. Last year we built a library in ourschool.A library _______ _______ in our school last year.6.Now people can use computers to help them.Now computers _______ ______ ______ to help them. was built can be used7. Did you plant many trees at this time last year?_______ ______ _______ _______ at this time last time?8.Must we finish our work today?_______ our work______ _______ today?Were many trees plantedMust be finished9. The foreign friends gave us some wonderful stamps.1) _______ ______ _______ some wonderful stamps.2) Some wonderful stamps _______ ________ _______ _______. we were given were given to us10.The teacher asked Tom to turn on the computer.Tom _______ ________ to turn on the computer.11.In this factory women do most of the work. Most of the work _______ ________ by women in this factory. was asked is done12.He can mend the bike in two days.The bike ______ ______ _______ in two days.13.You must take this medicine three times a day.This medicine _______ _______ ________ three times a day. can be mended must be takenHave a try•1. The emperor invented tea by accident.•2. Many Chinese can speak English.•3. They don’t wash their clothes every day.•4. The boy broke the door of the class.Tea was invented by the emperor by accident.English can be spoken by many Chinese.Their clothes aren’t washed by them every day.The door of the class was broken by the boy.5. We didn’t solve the problem.6. Did Mary finish the work?7. His mother shouldn’t allow him to wear earrings.8. Should we water the trees every day?9. We must stop people walking on the grass.The problem wasn’t solved by us.Was the work finished by Mary?He shouldn’t be allowed to wear earrings by his mother.Should the trees be watered by us every day?People must be stopped walking on the grass.。