初中被动语态讲解.ppt.ppt

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1、被动语态ThePassiveVoiceCindy英语动词有两种语态：主动语态(theActiveVoice)被动语态(thePassiveVoice)A.主动语态表示主语是动作的执行者。B.被动语态表示主语是动作的承受者。Weplantedthetree.Thetreewasplantedbyus.注：后面能接宾语的动词才有被动语态WespeakEnglish.主语谓语宾语Englishisspokenbyus.主语谓语宾语主动语态被动语态Theycleanedtheclassroomyesterday.昨天他们

2、打扫了教室。Theclassroomwascleanedbythemyesterday.昨天教室被他们打扫了。(一)被动语态基本用法:当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。be+过去分词(二)被动语态的基本结构:有各种时态的变化1.规则动词的过去分词：1)一般情况在动词原形后加-edwatch---watched2)以不发音e结尾的加-dpractice---practiced3)以辅音加y结尾

3、的，去y变i加-edstudy---studied4)以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-edstop---stopped2.不规则动词的过去分词：amisarewaswerebeenhavehashaddodonewritewrittengogone动词过去分词的变化:bymanystudents.1.ManystudentsstudyEnglish.Englishisstudied2.Theymakeshoesinthatfactory.Shoesaremadebytheminth

4、atfactory.1.一般现在时的被动语态结构：is/are+过去分词1.将主动语态的宾语变为被动语态的主语。2.将主动语态的谓语动词由主动变为被动3.将主动语态的主语变为被动语态中介词by的宾语放在谓动词之后运用一下吧TheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.Th

5、ehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.1.Theyboughtacomputerlastterm．bythemlastterm.2.一般过去时的被动语态结构：was/were+过去分词lastyear.2.Weplantedmanytreeslastyear.ManytreeswereplantedAcomputerwasboughtTheybuiltth

6、etallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedtheroomsforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Theroomswereusedfo

7、rrestingbythem.[3].Moreman-madesatellites____inthefuture.A.willsendupB.willbesentupC.aresentup一般将来时的被动语态：主语+will+be+PP主语+begoingto+be+PP3.一般将来时的被动语态结构：begoingtobe/willbe+过去分词1.Theywillfinishtheworkintendays.bythemintendays.Theworkwillbefinished2.Tomisgoingtoc

8、leantheroomtomorrow.TheroomisgoingtobecleanedbyTomtomorrow.Wewillheldasportsmeetingnextweek.Childrenwilltakesomephotosintheschoolyardtomorrow.Theheadmasterisgoingtogiveatalkthisafternoon.