被动语态讲解.ppt

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1、被动语态专项讲练Thepassivevoice被动语态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be+过去分词构成，时态通过be表现出来。各种句型的被动形式肯定句主语+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…）？注意：这里be的形式决定了被动语态的时态，其后的过去分词没有变化。重点内容主动句与被动句之间的转换Web

2、oughtsomebooks.主语+谓语动词过去式的主动语态+宾语Somebookswerebought(byus)主语+谓语动词过去式的被动语态+介词+宾语将下列句子由主动句变为被动句或由被动句变为主动句：ZhengJieinventedthisspecialpen.变被动句2)ThebikewasfixedupbyJimmy.变主动句3)Peopleusesunglassestoprotecttheireyes.4)Teachersallowstudentstoputuphandsinclass.Thisspec

3、ialpenwasinventedZhengJie.JimmyfixedupthebikeSunglassesareused(bypeople)toprotecteyes.Studentsareallowed(byteachers)toputuphandsinclass.1.Theymakeshoesinthatfactory.主语+及物动词+宾语Shoesaremade(bythem)inthatfactory.一般现在时：变为被动语态S(主语）+am/is/are+过去分词TheyplayfootballonSu

4、nday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.2.Theyboughttencomputerslastterm．T

5、encomputerswerebought(bythem)lastterm.一般过去时：S+was/were+过去分词Theybuiltthetallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareo

6、fbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.3.Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.一般将来时：S+will+be+过去分词↘Wewillholdasportsmeetingnextweek.Childrenwilltakesomephotosintheschoolyardtomorrow.The

7、headmasterwillgiveatalkthisafternoon.Asportsmeetingwillbeheldbyusnextweek.Somephotoswillbetakenbychildrenintheschooltomorrow.Atalkwillbegivenbytheheadmasterthisafternoon.4．AmycantakegoodcareofGina．GinacanbetakengoodcareofbyAmy.情态动词：S+can/may/must/should+be+过去分词

8、1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmus