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1、Welcome to Class 3, Grade 9!The Passive Voicewaterwatered watereduseused usedstudystudied studiedstopstopped stoppeddodid doneriderode riddenFor examplecleanfinishplaysmokeplantcarryfind found found makemade madeinventbuild built builtsweep swept swepttake took takenbuy bought boughthave had hadLets
2、 have a try.sing sang sungtelltold toldgivegave givenShe waters the flowers every day.The flowersWhat does she do every day?every day.are watered by herThey do their homework after school.Their homework is done by them after school.He plays basketball every week. Basketball is played by him every we
3、ek.My mother sweeps the floor every day.The floor is swept by my mother every day.jacketThe jacket is used for keeping warm.The jacket is made in Guangzhou.Guangzhoukeeping warmZhengzhouknivescutting thingssummary 英语中动词有主动语态和被动语态英语中动词有主动语态和被动语态两种语态。主动语态表示主语是动作的两种语态。主动语态表示主语是动作的执行者执行者,被动语态表示主语是动作的承被动
4、语态表示主语是动作的承受者受者, 在被动语态中动作的执行者有时在被动语态中动作的执行者有时用用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+was/were +过去分词过去分词(done)2. I bought a computer last term A computer was bought (by me) last term.The light was invented by Thomas Edison .inventThomas E
5、dison invented the light. Jim rode the motorbike to his factory yesterday.The motorbike was ridden to his factory yesterday. They had an evening party last week.An evening party was had last week.The Great Wall was built by Chinese people many years ago.Chinese people built the Great Wall many years
6、 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.Th
7、ey 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.Our students mustnt smoke cigarettes.Cigarettes mustnt be smoked by our students.Ask and answer waterevery dayat homemy grandmaA: When are
8、 the flowers watered?B: The flowers are watered every day.A: Where are the flowers watered?B: The flowers are watered at home.A: Who are the flowers watered by?B: The flowers are watered by my grandma.A: Are the flowers watered by my grandma at home every day? B: yes, they are.sweepon weekendsin the
9、 kitchenmy motherWhen where whodoafter schoolin the classroomthe childrenbuildlong long agoin BeijingChinese peoplebuylast weekin NingboMary1.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 clas
10、sroom_ _ 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.
11、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 used7. 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 b
12、e finished9. The foreign friends gave us some wonderful stamps.1) _ _ _ some wonderful stamps.2) Some wonderful stamps _ _ _ _. we were given were given to us10.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 wor
13、k _ _ by women in this factory. was asked is done12.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 takenHave a try1. The emperor invented tea by accident.2. Many Chinese can spe
14、ak English.3. They dont 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 arent washed by them every day.The door of the class was broken by the boy.5. We didnt solve the problem.6. Did
15、Mary finish the work?7. His mother shouldnt allow him to wear earrings.8. Should we water the trees every day?9. We must stop people walking on the grass.The problem wasnt solved by us.Was the work finished by Mary?He shouldnt be allowed to wear earrings by his mother.Should the trees be watered by
16、us every day?People must be stopped walking on the grass.Fill in the blanks:Paper ( invent)_ in A.D.105 by Cai Lun in China. It is an important part of our everyday lives, but few people ever think about how it (make) _.Today most paper comes from trees. However, with the concern for the environment (考虑到环境考虑到环境) , more and more paper (produce) _from recycled paper products. Since paper products are of different qualities, they first(sort分类分类)_before they (recycle)_.The sorted material (put) _into a huge machine. was invented is made is produced are sorted are recycled is put
