被动语态-副本

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1、Unit9Whenwasitinvented?第五课时语态：表示主语和谓语动词之间的关系。英语有两种语态，即主动语态和被动语态。主动语态：表示主语是动作的执行者。被动语态：表示主语是动作的承受者。如：ManystudentsstudyEnglish.(主动语态)Englishisstudiedbymanystudents.(被动语态)语态表格：被动态基本结构时态被动语态结构一般现在时一般过去时现在进行时过去进行时一般将来时过去将来时现在完成时过去完成时am/is/aredonewas/weredoneam/is/arebeingdonewas/werebeingdoneshall

2、/will/begoingtobedonewouldbedonehave/hasbeendonehadbeendone被动语态的结构助动词be+及物动词的过去分词不同的时态有不同的被动语态结构1.一般现在时的被动语态结构：bymanystudents.主动语态变被动语态的方法1.ManystudentsstudyEnglish.Englishisstudied2.Theymakeshoesinthatfactory.Shoesaremadebytheminthatfactory.主动语态变被动语态的方法1.把主动语态的宾语变为被动语态的主语。2.把主动语态的谓语变为被动语态的谓语

3、。3.把主动语态的主语变为被动语态的by短语。（①by短语可以省。②by短语后跟代词的宾格。）bytheteacher.3.Theteacheroftenaskshimquestions.HeisaskedquestionsTheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening

4、.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.1.Theyboughttencomputerslastterm．bythemlastterm.2.一般过去时的被动语态结构：was/were+过去分词lastyear.2.Weplantedmanytreeslastyear.ManytreeswereplantedTencomputerswereboughtTheybuiltthetallbuildinglastyear..Wecleanedourclassroomjustnow.Theyused

5、thisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.3.含有情态动词的被动语态结构：can/may/must/should+be+过去分词1.AmycantakegoodcareofGina．byAmy.Ginacanbetakengoodcareof2.Youshoulddrinkmorewater.Morewatershouldbedrunkbyyou.1.Hecantakecareo

6、fthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearnedwellbythem.1.Weshouldallowteenagerstochoosetheirownclothes.2.ManypeoplespeakEnglish.3.Theysoldou

7、ttheticketsaboutheroes.4.ManypeoplewatchedLucky52onTV.5.PeopleplantriceinSouthChina.Teenagersshouldbeallowedtochoosetheirownclothes.Englishisspokenbymanypeople.Theticketsaboutheroesweresoldoutbythem.Lucky52waswatchedbymanypeopleonTV.Riceispla