一般过去时被动语态ppt.ppt

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1、被动语态一般现在时的被动语态语态：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1.Teenagersshouldbeallowedtochoosetheirownclothes.2.Englishisspokenbymanypeople.4.Lucky52iswatchedonTVbyma

2、nypeople.3.Theticketsaboutheroesaresoldout.5.RiceisplantedinSouthChina.6.Heissaidagoodboy.助动词be有人称、数的变化,其变化规则与be作为连系动词时一样。如：Thedeskismadeofwood.Thedesksaremadeofwood.Heisaskedaquestionbytheteacher.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

3、.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.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.H

4、eisaskedquestionsTheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing

5、.肯定句：主语＋be+过去分词＋(by~)否定句：主语＋benot＋过去分词＋(by~)一般疑问句：Be＋主语＋过去分词＋(by~)?特殊疑问句：疑问词＋be＋主语＋过去分词＋(by~)被动语态的时态是由be的时态决定的，be是什么时态，全句就是什么时态，be动词后面的过去分词不变。bymanystudents.Englishisstudiedbymanystudents.Englishisnotstudied