被动语态 (4)

1、被动语态被动语态A recorder is used in our English class every day. use for playoftenFootball is played all over the world.A camera is used for taking photos.rob yesterdaysend uplast yearA man-made satellite was sent up into space last year.A bank was robbed yesterday.must plantcover with in a few years time

2、The tree must be plantedon the ground.The ground will be covered with trees in a few years time. send to right nowa talkgive soonThey will be sent to the hospital right now.A talk will be given soon.digThe earth is being dug now.eat up alreadyThe food has been eaten up already.Football is played all

3、 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.The tree must be planted on the ground.The ground will be covered with trees in a few years time. They will be sent to the hospital right now.A talk will be given soo

4、n.The earth is being dug now.The food has been eaten up already.Look and find out the similarities (相同点相同点):一般现在时 amis are + vt.p.p. 一般过去时 waswere +vt.p.p. 一般将来时 will bebe going to be + vt.p.p. 情态动词 aux.v. (mustcancouldmay+ be + vt.p.p.)现在进行时 be(am、is、are)+being +vt.p.p.现在完成时 havehas +been+ vt.p.p.被

5、动语态的构成：被动语态的构成：be +vt.p.p.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 。当我们不知道谁是动作的执行者，或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，要用被动语态。Turn the following sentences into the passive voice: 1. Many people speak English. English 2. He bought me a new bike yesterday. I A new bike 3. The boss made him do the heavy work in the ol

6、d days. He is spoken by many people.was bought a new bike yesterday.was bought yesterday.was made the heavy work in the old days.for meto do 4. Tom must hand in the composition after class. The composition must be handed in after class.5. The rain stopped.6. The soup tastes delicious.主动语态如何改成被动语态？主动

7、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。2. 主动语态的谓语动词改成被动语态的谓语动词。do3. 注意保持时态和人称的一致。 4. 带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词: to for.如：givebe given to 此类动词还有： pass show send 再如： buybe bought for 此类动词还有： make draw cook mend5. 一些动词不定式在主动语态中省略to作宾语补足语，改成被动语态时，to必须还原必须还原。be done注注:1. 不及物动词（vi.)不用被动语态不用被动语态。如:ha

8、ppen、take place 、appear、disappeare.g. A traffic accident _(happen) just now.happened2. 连系动词（Link.v.)不用被动语态不用被动语态。如：be、look、seem、 feel、 sound、smell、taste、get、turn、become e.g. Peking Opera _ (sound) beautiful.sounds 3. 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.writesThis kind of s

9、weater _(sell) well. sellsMultiple Choice:1. ( ) If the work _,you can go and play games. A. finished B. has finished C. will be finished D. is finished 2. ( ) It was raining heavily outside, the children were made _ in the classroom. 4. ( ) To make our city more beautiful, rubbish _ into the river.

10、 A. neednt be thrown B. mustnt be thrown C. cant throw D. may not throw5. ( ) I like my bike. It _ very well. A. rides B. is riding C. is ridden D. has riddenDBBA 3. ( ) Kate _ the letter before her mother came into her bedroom.A. has written B. was written C. had written D. is writing A. stay B. to

11、 stay C. staying D. stayedC6. ( ) I wont come to the party unless Tom _, too. You mean if Tom comes ,youll come.8. ( ) The children must _. 9. ( ) The woman still doesnt know what _ in her hometown DDBA. will invite B. invites C. invited D. is invited7. ( ) Everyone who heard Mr. Greens story _ it.A

12、. laughed at B. was laughed C. laughed D. was laughed atAA. happens B. happened C. will happen D. was happened while he was away.A. look after B. be taken good care C. look the same D. be taken good care of10. ( ) I saw you were on foot this morning. Yes. My bike _. A. is mending B. is being mended

13、C. is mended D. is being mendingB Fill in the blanks using right forms:1. All the students _(ask) to bring a kite with them last Sunday.2. Are many ways _(try) to stop people from cutting down so many trees?3. What are on show in the museum? Some photos _(take) by American children.4. This coat _(wa

14、sh) well.9. Have you found your necklace _(偷) last week?6. Im often _(警告）not to copy others homework.7. He couldnt explain why dinosaurs _ (消失).8. Ill have my bike _(修理) tomorrow.5. Must the old people _(speak) to politely?10. The PRC was _(成立) on October 1, 1949.were asked triedtakenwashesbe spoken

15、warneddisappearedmendedrepairedstolenfoundedMake dialogues or short passages accroding to the following information(using the passive voice as much as possible)：1. what when where dialogue2.passageTo make our school more beautiful, what things mustmustnt be done?must: pick up throw collect plant gro

16、wmustnt: throw draw use spit cut downReading comprehension: Now scientists 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 reaso

17、nsland and wood. In many places the trees have been cut down because the land was needed for people. 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）. The soil in the forests is very thin, but it is prot

18、ected by the trees. When the trees are cut down, the soil is washed away by the rain or blown away by the wind. Soon nothing can grow on it. The land becomes a desert. Who is to blame（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 i

19、s now six billion. You might say: We dont cut down trees. Yes, but just look around. Youre probably using its products（产品）right now. ( ) 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

20、. wood( ) 3. In 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 appear( ) 4. The reason for the bad cycle（循环）is that _. A. people need more land to grow food B. wood is needed for building houses C. t

21、here are too many rich people on the land D. there are too many people on the earthCBBD A great deal of water is needed in large cities. Some cities pump(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.Water i

22、s 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) are often b_ in a river to keep the water fromflowing away. Then a new lake is formed. The city knows how muchwater will b

23、e n_ and allows the extra(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.etearbyroughtoundentuilteedednuildingone Fill in the blanks with the verbs using right tenses and voices:1. Large numbers of plastic bags _(use) in the supermarkets