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1.ManypeoplespeakEnglish.Englishisspokenbymanypeople.Lucky52iswatchedonTVbymanypeople.Footballareplayedbythem.2.ManypeoplewatchLucky52onTV.3.Theyplayfootball.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)语态助动词be变化规则:I用am,you用are,is连着she、he、it.单数is,复数are.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.1.ManystudentsstudyEnglish.Englishisstudied2.Theymakeshoesinthatfactory.Shoesaremadebytheminthatfactory.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.Heisaskedquestions1.找宾语----即动作的承受者Theymakeshoesinthatfactory.Shoes2.判断宾语的单复数----即be动词的单复数.aremade3.判断动词的时态----即be动词的时态.4.修改谓语的时态----即原句动词改为过去分词5.修改原句的主语----即by+主语/宾语.bythem.主变被解题步骤宾变主,主放后,前加by动变被,看清be,结构分别be+pp•TheyplayfootballonSunday.•Lucydoesthehomeworkintheevening.•Theyoftenusecomputersinclass.•WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.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.Englishisnotstudied1.Theyboughttencomputerslastterm．bythemlastterm.2.一般过去时的被动语态结构：was/were+过去分词lastyear.2.Weplantedmanytreeslastyear.ManytreeswereplantedTencomputerswerebought•Theybuiltthetallbuildinglastyear.•Hetookgoodcareofhislittlebrotheryesterday.•Wecleanedourclassroomjustnow.•Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.Lookatthisandthenrewritethesentencesbelowinthepassive,liketheexample.ActiveSomeonecleansthewindowseveryweek.Someonecleanedthemlastweek.PassiveThewindowsarecleanedeveryweek.Theywerecleanedlastweek.1.Peopleofteninvitemetoparties.2.SomeoneinvitedmetoonelastweekI_____________________________________I_____________________________________amofteninvitedtoparties.wasinvitedtoonelastweek.Lookatthisandthenrewritethesentencesbelowinthepassive,liketheexample.ActivePassive3.Someonepaintsourourhouseeveryyear.4.Somepeoplepainteditlastyear.5.Peopleoftenovertakehimontheroad.6.Someoneovertakehimaminuteago.Ourhouse____________________________It____________________________________He___________________________________He___________________________________ispaintedeveryyear.waspaintedlastyear.isoftenovertakenontheroadwasovertakenaminuteago.Lookatthisandthenrewritethesentencesbelowinthepassive,liketheexample.ActivePassive7.Someonewaterstheflowerseveryday.8.Someonewateredthemyesterday.Theflowers___________________________They_________________________________arewateredeveryday.werewateredyesterday.2Howdotheyfeel?Howdidtheyfeel?Rewritethesentencesliketheexample.1.Someoneembarrassedher.2.Somethingisworryingme.3.Somethingexcitedhim.4.Somethingisamusingthem.She_______________I__________________He________________They______________wasembarrassed.amworried.wasexcited.areamused33.一般将来时的被动语态结构：willbe+过去分词1.Theywillfinishtheworkintendays.bythemintendays.Theworkwillbefinished2.Tomwillcleantheroomtomorrow.TheroomwillbecleanedbyTomtomorrow.•Wewillhaveasportsmeetingnextweek.•Childrenwilltakesomephotosintheschoolyardtomorrow.•Theheadmasterwillgiveatalkthisafternoon.Asportsmeetingwillbehadbyusnextweek.Somephotoswillbetakenbychildrenintheschoolyardtomorrow.Atalkwillbegivenbytheheadmasterthisafternoon.4.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.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearnedwellbythem.5.现在进行时的被动语态的结构is/am/are+being＋过去分词1.Someworkersarepaintingtheroomsnow．bysomeworkersnow.Theroomsarebeingpainted2.HeiswatchingTV.TVisbeingwatchedbyhim.6.现在完成时的被动语态的结构have/has＋been＋过去分词1.Wehavemadetwentymorekeys．byus.Twentymorekeyshavebeenmade2.Wehavefinishedourcompositions.Ourcompositionshavebeenfinishedbyus.表格：被动态基本结构am/is/aredonewas/weredoneam/is/arebeingdonewas/werebeingdoneshall/will/begoingtobedonewouldbedonehave/hasbeendonehadbeendone6.Anotherman-madesatellitewassentupintospacebythemlastweek(济南市中考题）——————anotherman-madesatelliteintospacelastweek.变主动语态7.Peoplethereplantedmanytreeslastyear.Trees__________bypeopletherelastyear.(青岛市中考题）8.Theygrowvegetablesonthefarm.Thevegetables_____________onthefarm（上海市中考题）Theysentupwereplantedaregrown中考题Lookatthisandthenrewritethesentencesbelowinthepassive,liketheexample.1.A:Hasmywatchbeenrepairedyet?(soon)B:____________________________________________________________________________________No,I’msorry.Ithasn’tbeenrepairedyet,butitwillberepair