被动语态专题复习

课件40张PPT。Diligence is the mother of success. 勤奋是成功之母。The Passive Voice被动语态构成助动词 be + 及物动词的过去分词 be + vt. p. p.Many peopleEnglishspeakEnglish.is spokenby many people.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。何时使用被动语态？被动语态：主语是动作的承受者.一般现在时：
am／is／are + vt. p.p. 构成： be + vt. p.p.一般过去时：
was／were + vt. p.p.情态动词：
must (can/could/may)+be + vt. p.p. 构成： be + vt. p.p. shall /will be
be going to be一般将来时：+ vt.p.p.现在进行时：
be (am/is/are) +being + vt.p.p.A recordera recorder use …in…is used in our English class every day. playoftenFootballA camerause … for …is often played all over the world.is used fortaking photos.rob yesterdayA man-made satelliteA banksend up last yearwas robbed yesterday.was sent upspace last year.into must plantThe treeThe groundbe covered withmust be planted on theground.will be covered with in a few years’ time. trees send to right nowTheyA talk a talk give soonwill be sent to the hospital right now. will be given soon. digThe earthThe food eat upis beingdug now.has been eaten up already.Conlusion( 1 )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.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 soon.The earth is being dug now.The food has been eaten up already. Look and find out the similarities (相同点):一般现在时：am / is / are + vt.p.p. 一般过去时： was / were + vt.p.p. 一般将来时: will be / be going to be + vt.p.p. 情态动词：must /can /could /may + be + vt.p.p.现在进行时: be (am / is / are) + being + vt.p.p.现在完成时: have / has +been + vt.p.p.被动语态的构成：be +vt.p.p.被动语态：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。何时使用被动语态？主语是动作的承受者 。Practise makes perfect熟能生巧 ChineseI A new bike is spokenby manywas boughta new bikewas bought yesterday.for meTurn them into the passive voice. Many people speak Chinese.people.He bought me a new bike yesterday. yesterday.→The boss made him do the heavy work in the old days.heavy work in the old days.to dowas made Hethe Tom must hand in the composition after class. The composition must be handed in after class. The rain stopped. The soup tastes delicious. stop , taste 在句中是不及物动词，后面不能直接带宾语，因此不能变为被动语态。Conlusion( 2 )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.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.be donepass, show, send… 此类动词有：5. 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。注: 1. 不及物动词（vi.)不用被动语态。buybe bought for如：givebe given to 此类动词还有：draw，make, cook, mende.g. happen, appear, disappear e.g. A traffic accident ________(happen) just now.happened2. 连系动词（Link.v.)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 。 e.g. The pen __________(write) very fast.writes This kind of sweater _______(sell) well. sells必背！动词短语的被动语态take care of → be taken care ofcut down → be cut downlaugh at → be laughed atlook after → be looked after被动语态的动词短语以下这些短语本身即是被动语态的形式，不需再加 “by” .be covered with 用...覆盖be interested in 对...感兴趣be surprised at 对...感到惊奇be made of / from 用…制成的be known to 出名Multiple Choice:( ) If the work __ ,you can go and play games.
A. finished
B. has finished
C. will be finished
D. is finishedD 2. ( ) It was raining heavily outside, the children were made __ in the classroom. A. stay B. to stay C. staying D. stayedB3. ( ) Kate _______ the letter before her mother came into her bedroom. has written
was written
had written
is writingC4. ( ) To make our city more beautiful, rub- bish __ into the river.
A. needn’t be thrown B. mustn’t be thrown
C. can’t throw D. may not throwB5. ( ) I like my bike. It __ very well.
A. rides B. is riding
C. is ridden
D. has riddenA6. ( ) —I won’t come to the party unless Tom __ , too.
—You mean if Tom comes ,you’ll come.A. will invite B. invites C. invited D. is invitedD7. ( ) Everyone who heard Mr. Green’s story __ it.laughed at
B. was laughed
C. laughed
D. was laughed atA8. ( ) The children must __ .
A. look after B. be taken good care C. look the same D. be taken good care ofD9. ( ) The woman still doesn’t know what __ in her hometown.A. happens
B. happened
C. will happen
D. was happenedB —Yes. My bike ___.10. ( ) — I saw you came to school on foot this morning. A. is mending B. is being mended 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 _________(wash) well.9. Have you found your necklace ________(偷) last week?6. I’m often _________(警告）not to copy others’ homework.7. He couldn’t explain why dinosaurs ___________ (消失).8. I’ll 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 spokenwarneddisappearedmended／repairedstolenfoundedWriting:看图，写一篇以How to Plant a Tree?为题目的短文，要求内容齐全，上下文连贯,展开合理想象。词数：60—80。 Fill in the blanks with the verbs using right tenses and voices:1. Large numbers of plastic bags ___________(use) in the supermarkets every day.2. _____ our country ____(send) up another man-made satellite last year? 3. Must the old people ____________(speak) to politely?4. Her grandma was still alive when he _________(take) to the hospital.5. English __________(speak) in many counties, but the Chinese ______ (speak) their own language.6. Three quarters of the world’s books______________(write) in English.7. This kind of sweater ___________(sell) well.8. _________ Lesson 50 ___________(teach) next week?are usedDidsendbe spokenwas takenis spokenspeakare writtensellsWillbe taughtGoodbyeGoodbye