被动语态课件.ppt

《被动语态课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、被动语态语态：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.Theymakeshoesinthatf

2、actory.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.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.Wem

3、akethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.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.Manytreeswereplante

4、dTencomputerswereboughtTheybuiltthetallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedf

5、orrestingbythem.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.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.Thebabycanbetake

6、ncareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearnedwellbythem.1.Weshouldallowteenagerstochoosetheirownclothes.2.ManypeoplespeakEnglish.3.Theysoldouttheticketsaboutheroes.4.ManypeoplewatchedLucky52onTV.5.PeopleplantriceinSouthChina.Teenagersshouldbeal

7、lowedtochoosetheirownclothes.Englishisspokenbymanypeople.Theticketsaboutheroesweresoldoutbythey.Lucky52waswatchedbymanypeopleonTV.RiceisplantedinSouthChina.exerciseThetelephone___________(invent)byBellin1876.Thetreesmay____________(plant)inspring.Teenage