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1、Welcome微课视频杜竹青初中英语长治县第五中学（北校）Grammarpassivevoice被动语态Hisfatherwaterstheflowerseveryday.主谓宾(受动者)Theflowersarewateredbyhisfathereveryday.1.Theymakeshoesinthatfactory.主语及物动词宾语Shoesaremade(bythem)inthatfactory.Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)
2、lastterm.3．AmycantakegoodcareofGina．GinacanbetakengoodcareofbyAmy.观察，然后得出各种时态的被动语态构成规则：1）一般现在时：S(主语）+am/is/are+V-ppYouareinvitedtodothis.2）一般过去时：S+was/were+V-ppThestorywastoldbyher.3）一般将来时：S+willbe+V-ppTheproblemwillbediscussedtomorrow.4)情态动词：S+情态动词+be+V-ppTherubbis
3、hcanbeputintothedustbinoverthere.Now,haveyouworkedouttherules?1.WeoftenusearecorderinourEnglishclass.2.Theysetupthenewbuildingin1998.3.Wewilltakehimtothehospital.4.Ihavefinishedthework.Rewritethefollowingsentenceswiththepassivevoice:ArecorderisoftenusedinourEnglishc
4、lass.Thenewbuildingwassetupbythemin1998.Hewillbetakentothehospitalbyus.Theworkhasbeenfinished.Let'spractise!5.Youmustturndowntheradioatonce.6.Wecan’tseestarsinthedaytime.7.Doyoudoyourhomeworkaftersupper?8.Mustwehandinourhomeworknow?Theradiomustbeturneddownatonce.Sta
5、rscan’tbeseeninthedaytime.Isyourhomeworkdoneaftersupper?Mustourhomeworkbehandedinnow?主动---被动的几个变化规则一·带双宾语（间接宾语和直接宾语）的主动变被动有两种改法:(1)把间接宾语（即人）改成主语(2)把直接宾语（即物）改成主语时,谓语动词后必须加适当的介词:to,for.*give/pass/show/send…to...Eg,Thebarbergavemeaterriblehaircut.间接宾语直接宾语Iwasgivenaterr
6、iblehaircutbythebarber.Aterriblehaircutwasgiventomebythebarber.而buy/draw/make/cook/sing…for…Eg,Hisfatherboughthimanewbike.间接宾语直接宾语Hewasboughtanewbikebyhisfather.Anewbikewasboughtbyhisfatherforhim.二·使役动词(make,let,have)和感官动词(see,hear,find,notice)在主动句中后面的动词不带to,但在被动句中后
7、面的动词必须带toEg1MyfathermademegotherealoneIwasmadetogotherealone.2.HeletthemanworkfourteenhoursThemanwaslettoworkfourteenhours.3.Weoftenseethemplayfootballtogether.Theyareoftenseentoplayfootballtogether.三:并不是所有的动词都有被动语态.注:1.不及物动词,部分固定短语,系动词无被动语态。比如：happen，takeplace,chan
8、gebe,look,seem,feel,sound,become----e.g.Atrafficaccident________(happen)justnow.PekingOpera___(sound)beautiful2.当此动词表示事物的自然属性(特征,品质)的时候，不用
