构成bebe++vt.p.p.vt.p.p.ManypeopleEnglishspeakspeakEnglish.isspokenisspokenbymanypeople.当我们不知道谁是动作的当我们不知道谁是动作的执执行者行者，或者没有必要指出谁，或者没有必要指出谁是动作的是动作的执行者执行者时，或者只时，或者只需强调动作的需强调动作的承受者承受者时，时，要要用被动语态用被动语态。。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：情态动词：must(can/could/may)+be+vt.p.p.构成：be+vt.p.p.shall/willbewillbebegoingtobebegoingtobe一般将来时：一般将来时：+vt.p.p.现在进行时：现在进行时：be(am/is/are)+being+vt.p.p.Arecorderarecorderuse…in…isusedisusedinourEnglishclasseveryday.playplayoftenoftenFootballAcamerause…foruse…for……isoftenplayedallovertheworld.isusedisusedfortakingphotos.robrobyesterdayyesterdayAman-madesatelliteAbanksenduplastyearwasrobbedyesterday.wassentupspacelastyear.intomustplantThetreeThegroundbecoveredwithmustbeplantedontheground.willbecoveredwithinafewyears’time.treessendtorightnowTheyAtalkatalkgivesoonwillbesenttothehospitalrightnow.willbegivensoon.digTheearthThefoodeatupisbeingdugnow.hasbeeneatenupalready.Footballisplayedallovertheworld.Acameraisusedfortakingphotos.Abankwasrobbedyesterday.Aman-madesatellitewassentupintospacelastyear.Thetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.Theywillbesenttothehospitalrightnow.Atalkwillbegivensoon.Theearthisbeingdugnow.Thefoodhasbeeneatenupalready.Lookandfindoutthesimilarities(相同点):一般现在时一般现在时：：am/is/are+am/is/are+vt.p.p.vt.p.p.一般过去时：was/were+vt.p.p.一般将来时:willbe/begoingtobe+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，作的承受者时，要用被动语态要用被动语态。。主语是动作的承受者。ChineseIAnewbikeisspokenbymanywasboughtanewbikewasboughtwasboughtyesterday.forformeme•ManypeoplespeakChinese.people.•HeHeboughtboughtmemeanewanewbikeyesterday.bikeyesterday.yesterday.→→•Thebossmadehimdotheheavyworkintheolddays.heavyworkintheolddays.todowasmadeHethe•TomTommusthandmusthandininthethecompositionafterclass.compositionafterclass.ThecompositionThecompositionmustbemustbehandedinhandedinafterclass.afterclass.•Therainstopped.•ThesoupThesouptastestastesdelicious.delicious.stop,tastestop,taste在句中是不及物在句中是不及物动词，后面不能直接带宾语，因动词，后面不能直接带宾语，因此不能变为被动语态。此不能变为被动语态。主动语态如何改成被动语态？1.1.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.bedonepass,show,send…此类动词有：5.5.一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toto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，toto必须还原必须还原。。注:1.不及物动词（vi.)不用被动语态。buybeboughtbeboughtforfor如：givebegivento此类动词还有：drawdraw，，make,cook,make,cook,mendmende.g.happen,appear,disappeare.g.Atrafficaccident________(happen)justnow.happened2.连系动词（Link.v.)不用被动语态。如：be,look,seem,fee...
