搜索
被动语态ArecorderisusedinourEnglishclasseveryday.use…forplayoftenFootballisplayedallovertheworld.Acameraisusedfortakingphotos.robyesterdaysenduplastyearAman-madesatellitewassentupintospacelastyear.Abankwasrobbedyesterday.mustplantcoverwithinafewyears’timeThetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.sendtorightnowatalkgivesoonTheywillbesenttothehospitalrightnow.Atalkwillbegivensoon.digTheearthisbeingdugnow.eatupalreadyThefoodhasbeeneatenupalready.Footballisplayedallovertheworld.Acameraisusedfortakingphotos.Abankwasrobbedyesterday.Aman-madesatellitewassentupintospacelastyear.Thetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.Theywillbesenttothehospitalrightnow.Atalkwillbegivensoon.Theearthisbeingdugnow.Thefoodhasbeeneatenupalready.Lookandfindoutthesimilarities(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——willbe／begoingtobe+vt.p.p.情态动词——aux.v.(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：主语是动作的承受者。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。Turnthefollowingsentencesintothepassivevoice:1.ManypeoplespeakEnglish.English2.Heboughtmeanewbikeyesterday.IAnewbike3.Thebossmadehimdotheheavyworkintheolddays.Heisspokenbymanypeople.wasboughtanewbikeyesterday.wasboughtyesterday.wasmadetheheavyworkintheolddays.formetodo4.Tommusthandinthecompositionafterclass.Thecompositionmustbehandedinafterclass.5.Therainstopped.6.Thesouptastesdelicious.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:tofor.如：givebegivento此类动词还有：passshowsend…再如：buybeboughtfor此类动词还有：makedrawcookmend…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。bedone注:1.不及物动词（vi.)不用被动语态。如:happen、takeplace、appear、disappear…e.g.Atrafficaccident____________(happen)justnow.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.PekingOpera_________(sound)beautiful.sounds3.当此动词表示事物的自然属性的时候，不用被动语态。e.g.Thepen__________(write)veryfast.writesThiskindofsweater_______(sell)well.sellsMultipleChoice:1.()Ifthework________,youcangoandplaygames.A.finishedB.hasfinishedC.willbefinishedD.isfinished2.()Itwasrainingheavilyoutside,thechildrenweremade______intheclassroom.4.()Tomakeourcitymorebeautiful,rubbish______intotheriver.A.needn’tbethrownB.mustn’tbethrownC.can’tthrowD.maynotthrow5.()Ilikemybike.It________verywell.A.ridesB.isridingC.isriddenD.hasriddenDBBA3.()Kate_______theletterbeforehermothercameintoherbedroom.A.haswrittenB.waswrittenC.hadwrittenD.iswritingA.stayB.tostayC.stayingD.stayedC6.()—Iwon’tcometothepartyunlessTom______,too.—YoumeanifTomcomes,you’llcome.8.()Thechildrenmust_______.9.()Thewomanstilldoesn’tknowwhat_______inherhometownDDBA.willinviteB.invitesC.invitedD.isinvited7.()EveryonewhoheardMr.Green’sstory_____________it.A.laughedatB.waslaughedC.laughedD.waslaughedatAA.happensB.happenedC.willhappenD.washappenedwhilehewasaway.A.lookafterB.betakengoodcareC.lookthesameD.betakengoodcareof10.()—Isawyouwereonfootthismorning.—Yes.Mybike___________.A.ismendingB.isbeingmendedC.ismendedD.isbeingmendingBFillintheblanksusingrightforms:1.Allthestudents__________(ask)tobringakitewiththemlastSunday.2.Aremanyways_______(try)tostoppeoplefromcuttingdownsomanytrees?3.—Whatareonshowinthemuseum?—Somephotos_________(take)byAmericanchildren.4.Thiscoat_________(wash)well.9.Haveyoufoundyournecklace________(偷)lastweek?6.I’moften_________(警告）nottocopyothers’homework.7.Hecouldn’texplainwhydinosaurs___________(消失).8.I’llhavemybike__________________(修理)tomorrow.5.Musttheoldpeople____________(speak)topolitely?10.ThePRCwas_________(成立)onOctober1,1949.wereaskedtriedtakenwashesbespokenwarneddisappearedmended／repairedstolenfoundedMakedialoguesorshortpassagesaccrodingtothefollowinginformation(usingthepassivevoiceasmuchaspossible)：1.whatwhenwheredialogue2.passageTomakeourschoolmorebeautiful,whatthingsmust∕mustn’tbedone?must:pickupthrowcollectplantgrowmustn’t:throwdrawusespitcutdown………Readingcomprehension:Nowscientistsaretryingtoturndesertsintogoodlandagain.Theywanttobringwatertothedeserts,sopeoplecanliveandgrowfoodthere.However,moreandmorelandisbecomingthedeserts.Whyisthishappening?Therearetworeasons—landandwood.Inmanyplacesthetreeshavebeencutdownbecausethelandwasneededforpeople.Inotherparts,thetreesarecutdownbecausetheirwoodiswanted.Butmanypeopledon’tknowthatinmostplacesthetreeswon’tbereplaced（取代）.Thesoilintheforestsisverythin,butitisprotectedbythetrees.Whenthetreesarecutdown,thesoiliswashedawaybytherainorblownawaybythewind.Soonnothingcangrowonit.Thelandbecomesadesert.Whoistoblame（应负责、责备）forthis?Theansweriseasy:allofus.Therearejusttoomanypeopleintheworld.Theworld’spopulationisnowsixbillion.Youmightsay:Wedon’tcutdowntrees.Yes,butjustlookaround.You’reprobablyusingitsproducts（产品）rightnow.()1.Scientistsaretryingtobring__________tothedeserts.A.foodB.planesC.waterD.animals()2.The_________areimportanttoprotectthesoil.A.rainB.treesC.landD.wood()3.Inmostplacesafterthetreesarecutdo