ThePassiveVoice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。被动语态由助动词be+过去分词构成,时态通过be表现出来。Hisbrotherwashesbowlseveryday.主谓宾(受动者)Bowlsarewashedbyhisbrothereveryday.改为被动语态TheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeilun.PeoplespeakEnglishasthefirstlanguageinUK.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeilun.EnglishisspokenasthefirstlanguageinUK.你知道这些被动句的否定句和一般疑问句吗?1.Theymakeshoesinthatfactory.主语+及物动词+宾语Shoesaremade(bythem)inthatfactory.一般现在时:S(主语)+am/is/are+过去分词Helookedafterthelittlebabyyesterday.主谓宾(受动者)Thelittlebabywaslookedafterbyhimyesterday.Theybuiltthetallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Theyplantedmanytreesyearsago.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.Manytreeswereplantedbythemyearsago.2.Theyboughttencomputerslastterm.Tencomputerswerebought(bythem)lastterm.一般过去时:S+was/were+过去分词Tomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.Wewillhaveasportsmeetingnextweek.Childrenwilltakesomephotosintheschoolyardtomorrow.Theheadmasterwillgiveatalkthisafternoon.Thefarmerswillgrowdifferentkindsofvegetablesnextspring.UncleWangwillmendtheTVsettomorrow.Asportsmeetingwillbehadbyusnextweek.Somephotoswillbetakenbychildrenintheschoolyardtomorrow.Atalkwillbegivenbytheheadmasterthisafternoon.Differentkindsofvegetableswillbegrownbythefarmersnextspring.TheTVsetwillbemendedbyUncleWangtomorrow.3.Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.一般将来时:S+will+be+过去分词4.AmycantakegoodcareofGina.GinacanbetakengoodcareofbyAmy.情态动词:S+can/may/must/should+be+过去分词1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.5.Jimcoulddoityesterday.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearnedwellbythem.ItcouldbedonebyJimyesterday.练习:1.ManypeoplespeakEnglish.2.TheymadecomputersintheU.S.A.3.Peopleusedknivesforcuttingthings.4.Peopleusedmetalformakingmachines.5.TheyproducesilkinSuzhouandHangzhou.6.TheyspeakEnglishinCanada.7.TheywritebusinesslettersinEnglish.8.TheygrowriceinSouthChina.9.TheyplantmanytreesinNorthChina.10.LuXunwrotethisbook.11.Theworkersbuiltsomebridges.12.Wecanusetheboxasatable.13.Weshouldcleantheclassroomeveryday被动语态中的特殊情况1.不及物动词带介词和介词宾语时,在变为被动语态时,仍然要带上介词。e.g.Thestudentslistentotheteachercarefullyinclass.被动句:Theteacherislistenedtocarefullybythestudentsinclass.e.g.Theylookafterthenewstudentsintheschool.被动句:Thenewstudentsarelookedafterbythemintheschool.2.当动词带有复合宾语(有宾补),并且宾补是省去“to”的动词不定式时,在被动语态中应加上“to”e.g.Theymakeusdoallthework.被动句:Wearemadetodoalltheworkbythem.e.g.Weoftenhearhersingsongs.被动句:Sheisoftenheardtosingsongsbyus.e.g.Isawhimwalktoschool.被动句:Hewasseentowalktoschoolbyme.这些动词真奇怪,主动句中to离开,被动句中to回来。(let,have,make,feel,see,watch,hear,notice…)3.当动词带双宾语时(一个宾语是指人,一个是指物),将其中指人的宾语提前作被动句的主语时,另一个宾语按顺序照抄下来;如是将指物的宾语提前作被动句的主语,在被动句中则指人宾语前应加“to”或“for”。常见加to的动词有give,send,teach,write,show,pass,ask,tell…常见加for的动词有make,draw,buy…e.g.Hegivesmeaflowereveryday.被动1Iamgivenaflowerbyhimeveryday.被动2Aflowerisgiventomebyhimeveryday.e.g.Mymotherboughtmeacomputer.被动1Iwasboughtacomputerbymymother.被动2Acomputerwasboughtformebymymother.练习:将下列句子变为被动句。1.LiLeilistenstohisfathercarefully.2.Themotherlookedafterthebabyintheroom.3.Wetookcareofthethings.4.Theygaveussomework.5.Theboymadethemlaughallthetime.6.Mymotherbuysmeabike.1.Peopleuseknivesforcuttingthings.Knives____________forcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroom_____________twiceamonth.areusedarecleaned(变被动语态)5.Hisdoctormadehimhaveonlytwomealsaday.He___________________________onlytwomealsaday.6.Nowpeoplecanusecomputerstohelpthem.Nowcomputers___________________tohelpthem.wasmadetohavecanbeused3.Ifoundtheticketonthefloor.________________________onthefloor.4.Itoldhertoreturnthebookintime.She_____________toreturnthebookintime.Theticketwasfoundwastold9.Theforeignfriendsgaveussomewonderfulstamps.1)____________________somewonderfulstamps.2)Somewonderfulstamps_____________________________.weweregivenweregiventous7.Didyouplantmanytreesatthistimelastyear?___________________________atthistimelasttime?8.Mustwefinishourworktoday?_______ourwork_____________today?WeremanytreesplantedMustbefinished10.TheteacheraskedTomtoturnonthecomputer.Tom_______________toturnonthecomputer.11.Inthisfactorywomendomostofthework.Mostofthework_______________bywomeninthisfactory.wasaskedisdone12.Hecanmendthebikeintwodays.Thebike___________________intwodays.13.Youmusttakethismedicinethreetimesaday.Thismedicine______________________threetimesaday.canbemendedmustbetaken14.ThestudentsinthisschoolstudyGerman.German_______________bythestudentsinthisschool.15.Dotheyoftentalkaboutthisque