外语学习中考复习——被动语态PPT教案

1、外语学习中考复习外语学习中考复习被动语态被动语态A recorder is used in our English class every day. 第1页/共41页use for playoftenFootball is played all over the world.A camera is used for taking photos.第2页/共41页rob yesterdaysend uplast yearA man-made satellite was sent up into space last year.A bank was robbed yesterday.第3页/共41页

2、must plantcover within a few years timeThe tree must be planted on the ground.The ground will be covered with trees in a few years time. 第4页/共41页send toright nowa talk give soonThey will be sent to the hospital right now.A talk will be given soon.第5页/共41页digThe earth is being dug now.eat up alreadyT

3、he food has been eaten up already.第6页/共41页Football is played all over the world.A camera is used for taking photos.A bank was robbed yesterday. A man-made satellite was sent up into space last year. Look and find out the similarities (相相同点同点):第7页/共41页The tree must be planted on the ground. The groun

4、d will be covered with trees in a few years time. They will be sent to the hospital right now. A talk will be given soon. The earth is being dug now. The food has been eaten up already.第8页/共41页当我们不知道谁是动作的执行者当我们不知道谁是动作的执行者, 或或者没有必要指出谁是动作的执行者时者没有必要指出谁是动作的执行者时, 或者只需强调动作的承受者时或者只需强调动作的承受者时, 要用要用被动语态被动语态。

5、被动语态：被动语态：主语主语是动作的是动作的承受者承受者 。被动语态的构成：被动语态的构成：be +vt.p.p.Conclusion: (一一)第9页/共41页一般现在时一般现在时 amis are + vt.p.p.一般过去时一般过去时 waswere +vt.p.p. 情态动词情态动词 aux.v. (mustcancouldmay+ be + vt.p.p.)现在进行时现在进行时 be(am、is、are)+being +vt.p.p.一般将来时一般将来时 will bebe going to be + vt.p.p.现在完成时现在完成时 havehas +been+ vt.p.p.第

6、10页/共41页Turn the following sentences into the passive voice:1. Many people speak English. 2. He bought me a new bike yesterday. English is spoken by many people.I was bought a new bike yesterday.A new bike was bought for me yesterday.第11页/共41页3. The boss made him do the heavy work in the old days. 4

7、. Tom must hand in the composition after class. 5. The rain stopped. 6. The soup tastes delicious.He was made to do the heavy work in the old days. The composition must be handed in after class.第12页/共41页主动语态如何改成被动语态？主动语态如何改成被动语态？1. 主动语态的宾语改成被动语态的主语。主动语态的宾语改成被动语态的主语。2. 主动语态的谓语动词改成被动语态的主动语态的谓语动词改成被动语态

8、的谓语动词。谓语动词。dobe done3. 注意保持时态和人称的一致。注意保持时态和人称的一致。 Conclusion: (二二)第13页/共41页4. 带双宾的谓语动词有两种改法。当把带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必直接宾语改成主语时，谓语动词后必须加适当的介词须加适当的介词: to for. 如如: givebe given to 此类动词还有此类动词还有: pass show send 再如再如: buybe bought for 此类动词还此类动词还有有: make draw cook mend第14页/共41页5. 一些动词不定式在主动语态中省略一些

9、动词不定式在主动语态中省略to作宾语补足语作宾语补足语, 改成被动语态时改成被动语态时, to必必须还原须还原。 注注: 1. 不及物动词（不及物动词（vi.) 不用被动语态不用被动语态。如如:happen、take place 、appear、disappeare.g. A traffic accident _ (happen) just now.happened第15页/共41页2. 连系动词连系动词(Link.v.)不用被动语态不用被动语态。如。如: be、look、seem、feel、sound、smell、taste、get、turn、become e.g. Peking Opera

10、 _ (sound) beautiful.3. 当此动词表示事物的自然属性的时候，当此动词表示事物的自然属性的时候，不用被动语态不用被动语态 。 e.g. The pen _ (write) very fast. This kind of sweater _ (sell) well.soundswritessells第16页/共41页Multiple Choice:1. If the work _, you can go and play games. A. finished B. has finished C. will be finished D. is finished2. It was

11、 raining heavily outside, the children were made _ in the classroom. A. stay B. to stay C. staying D. stayedDB第17页/共41页3. Kate _ the letter before her mother came into her bedroom. A. has written B. was written C. had written D. is writing4. To make our city more beautiful, rubbish _ into the river.

12、 A. neednt be thrown B. mustnt be thrown C. cant throw D. may not throwBC第18页/共41页5. I like my bike. It _ very well. A. rides B. is riding C. is ridden D. has ridden6. I wont come to the party unless Tom _, too. You mean if Tom comes, youll come. A. will invite B. invites C. invited D. is invitedAD第

13、19页/共41页7. Everyone who heard Mr. Greens story _ it. A. laughed at B. was laughed C. laughed D. was laughed at8. The children must _. A. look after B. be taken good care C. look the same D. be taken good care ofDA第20页/共41页9. The woman still doesnt know what _ in her hometown while he was away. A. ha

14、ppens B. happened C. will happen D. was happened 10. I saw you were on foot this morning. Yes. My bike _. A. is mending B. is being mended C. is mended D. is being mending BB第21页/共41页Fill in the blanks using right forms:1. All the students _ (ask) to bring a kite with them last Sunday.2. Are many wa

15、ys _ (try) to stop people from cutting down so many trees?3. What are on show in the museum? Some photos _ (take) by American children.were asked triedtaken第22页/共41页4. This coat _ (wash) well. 5. Must the old people _ (speak) to politely? 6. Im often _ (警告）警告）not to copy others homework. 7. He could

16、nt explain why dinosaurs _ (消失消失). washesbe spokenwarneddisappeared第23页/共41页8. Ill have my bike _ (修理修理) tomorrow. 9. Have you found your necklace _ (偷偷) last week? 10. The PRC was _ (成立成立) on October 1, 1949.mended/repairedstolenfounded第24页/共41页Make dialogues or short passages accroding to the foll

17、owing information(using the passive voice as much as possible)：what when where 1. dialogueTopic:第25页/共41页2. passageTo make our school more beautiful, what things must /mustnt be done?must: pick up throw collect plant grow mustnt: throw draw use spit cut down 第26页/共41页Reading comprehension: Now scien

18、tists are trying to turn deserts into good land again. They want to bring water to the deserts, so people can live and grow food there. However, more and more land is becoming the deserts. Why is this happening? There are two reasonsland and wood. In many places the trees have been cut down because

19、the land was needed for people. 第27页/共41页In other parts, the trees are cut down because their wood is wanted. But many people dont know that in most places the trees wont be replaced（取代）（取代）. The soil in the forests is very thin, but it is protected by the trees. When the trees are cut down, the soi

20、l is washed away by the rain or blown away by the wind. Soon nothing can grow on it. The land becomes a desert. 第28页/共41页Who is to blame（应负责、责备）（应负责、责备）for this? The answer is easy: all of us. There are just too many people in the world. The worlds population is now six billion. You might say: We do

21、nt cut down trees. Yes, but just look around. Youre probably using its products（产品）（产品）right now. 第29页/共41页( ) 1. Scientists are trying to bring _ to the deserts. A. food B. planes C. water D. animals( ) 2. The _ are important to protect the soil. A. rain B. trees C. land D. woodCB第30页/共41页( ) 3. In

22、 most places after the trees are cut down, _. A. they can grow again B. they will disappear forever C. new trees can grow better D. new forests will appearB第31页/共41页( ) 4. The reason for the bad cycle(循环循环) is that _. A. people need more land to grow food B. wood is needed for building houses C. the

23、re are too many rich people on the land D. there are too many people on the earthD第32页/共41页 A great deal of water is needed in large cities. Some cities pump(抽水）抽水）water from wells. Some cities g_ water from lakes or rivers n_. But some cities have to bring water from lakes or rivers many miles away

24、. Complete the passage:etearby第33页/共41页Water is usually b_ to a city from a place higher than the city itself. When water is f_ only in the lower place, it must be pumped up to the city. Then it is s_ to each home. Dams(水坝水坝) are often b_ in a river to keep the water from flowing away.roughtoundentu

25、ilt第34页/共41页Then a new lake is formed. The city knows how much water will be n_ and allows the extra(额外的额外的) water to flow below the dam. I _ this way, the city stores water for its use. There is usually a b_ near the dam. Much important work is d_ there. For example, the water is tasted before it is piped to the city.eedednuildingone第35页/共41页Fill in the blanks with the verbs using right tenses and voices:1. Large numbers of plastic bags _ (use) in the su