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1、构成构成 be +vt.p.p.Many peopleEnglishspeakEnglish.is spokenby many people.A recordera recorder use inis used in our English class every day.playoftenFootballA camerause for is often played all over the world.is used for taking photos.rob yesterdayA man-made satelliteA banksend up last yearwas robbed ye
2、sterday.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
3、now.has been eaten up already.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
4、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(相同点相同点):一般现在时一般现在时：am/is/are+vt.p.p.一般过去时一般过去时：was/were+vt.p.p.一般将来时一般将来时:will be/be going to be+vt.p.p.情态动词情态动词：must/can/could/may+be+vt.p.p.现在进行时现在进行
5、时:be(am/is/are)+being+vt.p.p.现在完成时现在完成时:have/has+been+vt.p.p.被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：当我们不知道谁是动作的执行者，或者没有必要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指出谁是动作的执行者时，或者只需强调动作的承受者时，承受者时，要用被动语态要用被动语态。主语主语是动作的是动作的承受者承受者。ChineseI A new bike is spoken by manywas boughta new bikewas bought yesterday.
6、for me 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
7、tastes delicious.stop,taste 在句中是不及物动在句中是不及物动词，后面不能直接带宾语，因此词，后面不能直接带宾语，因此不能变为被动语态。不能变为被动语态。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的谓语动词。谓语动词。do3.注意保持时态和人称的一致。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
8、适当的介词:to,for.be donepass,show,send 此类动词有：此类动词有：5.一些动词不定式在主动语态中省略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，作宾语补足语，改成被动语态时，to必须还原必须还原。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。buybe bought for如如：givebe given to 此类动词还有：此类动词还有：draw，make,cook,mende.g.happen,appear,disappear e.g.A traffic accident _(happen)just now.happene
9、d2.连系动词连系动词（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，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.writes This kind of sweater _(sell)well.sells动词短语的被动语态动词短语的被动语态take care of be taken care of
10、cut down be cut downlaugh at be laughed atlook after be looked after被动语态的动词短语被动语态的动词短语以下这些短语本身即是被动语态的以下这些短语本身即是被动语态的形式，不需再加形式，不需再加 “by”.be covered with 用用.覆盖覆盖be interested in 对对.感兴趣感兴趣be surprised at 对对.感到惊奇感到惊奇be made of/from 用用制成的制成的be known to 出名出名看图，写一篇以看图，写一篇以How to Plant a Tree?How to Plant a Tree?为题目的短为题目的短文，要求内容齐全，上下文连贯文，要求内容齐全，上下文连贯,展开合理想象。展开合理想象。词数：词数：60608080。