1.一般现在时态的被动语态结构:am/is/are+vt过去分词2.一般过去时态的被动语态结构:was/were+vt过去分词3.含有情态动词的被动语态结构:情态动词+be+vt过去分词4.一般将来时的被动语态结构:will/shall+be+vt过去分词5.现在进行时态的被动语态结构:am/is/are+being+vt过去分词6.过去进行时态的被动语态结构:was/were+being+vt过去分词7.现在完成时态的被动语态结构:have/hasbeen+vt过去分词知识点再现:被动语态结构:be+动词的过去分词意义:强调主语是动作的承受者何时使用变化方法注意事项变化:示例Theboybroketheglass.Theglasswasbrokenbytheboy.从主动语态变为被动语态1.主语介词by宾语2.谓语加be,并变为过去分词3.宾语主语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.一般将来时;willbe+动词的过去分词3.AmycantakegoodcareofGina.GinacanbetakengoodcareofbyAmy.情态动词:S+can/may/must/should+be+过去分词5.Someworkersarepaintingtheroomsnow.Theroomsarebeingpaintedbysomeworkersnow.现在进行时:S+am/is/are+being+过去分词7.Iwasdoingmyhomeworkat8:00lastnight.Myhomeworkwasbeingdone(byme)at8:00lastnight.过去进行时:S+was/were+being+过去分词6.Wehavemadetwentymorekeys.Twentymorekeyshavebeenmadebyus.现在完成时:S+have/has+been+过去分词二、常见语态转换(一)一般现在时和一般过去时的被动语态。引入练习1。请将下列主动语态变成被动语态1.Lucyboughtsomefruit.Somefruit________________Lucy.2.UncleWangwaterstheflowerseveryday.Theflowers______________UncleWangeveryday.3.Didtheybuildthebridgein1998?____thebridge_____in1998?4.WhendidLuXunwritethesebooks?When_____thesebooks___________LuXun?5.Thefarmersdon’tgrowapplesonthefarm.Apples__________onthefarm.6.Theydidn’tcleantheclassroomyesterday.Theclassroom_______________yesterday.小结:1、被动语态的转换,在be+过去分词中,确定_____是关键,_______永不变。2、Be的时态由_______________确定;be的单/复数由____________确定。3、问句提前__________;否定________后加not.wasboughtbyarewateredbyWasbuiltwerewrittenbyaren’tgrownwasn’tcleanedbe形过去分词主动时态被动主语be动词be(二)一般现在时带情态动词的被动语态。引入练习2。请将下列主动语态变成被动语态。1.Youcandotheworkallbyyourself.Thework_______________allbyyourself.2.Wemustplantmoretrees.Moretrees__________________.3.Weshoulddigalargehole.Alargehole______________.4.Canweputourbikeshere?_____ourbikes_________here?5.Youmustn’tthrowrubbishhere.Rubbish_________________here.6.Wecan’tseemanystars.Manystars___________________.小结:1.含情态动词的被动结构:______________________.2.疑问句提前_____________;否定句:___________+not.canbedonemustbeplantedshouldbedugCanbeputmustn’tbethrowncan’tbeseen情态动词+be+过去分词情态动词情态动词1.一般可变为被动语态的动词为及物动词2.be动词可根据人称、时态、数进行变化.3.不特别强调动作执行者时,by短语(即by和后面的宾语)一般可以省略注意事项:Thisworkmay_________today.(finish)Canmybike____________here?(mend)Thecarscan’t_____________here.(park)含有情态动词的被动语态,情态动词后面的be动词用原形befinishedbemendedbeparked1.WecallMr.SmithalivingLeiFeng.Mr.Smith_________alivingLeiFeng(byus).2.Tom’sfatherboughthimabook.He_____________abook(byhisfather)Abook_________him(byhisfather)带双宾语的句子有两种改法:一般情况下把指人的宾语作为被动句的主语.当把直接宾语物作为主语时,要加介词to,forwasboughtiscalledpass,show,send…此类动词有:buybeboughtfor如:givebegivento此类动词还有:draw,make,cook,mend1.PleasepassthebooktoLily.ThebookispassedtoLilybyyouplease.Lilyispassedthebook.2.Hegavemeabeautifulpresent.Iwasgivenabeautifulpresentbyhim.Abeautifulpresentwasgiventome.感官动词(hear,see,watch,feel,notice等)和使役动词(let,makehave等)在主动语态中后接不带to的动词不定式,但是改为被动语态时,把to加在动词原形之前.Theymadetheboyswork12hoursaday.Theboysweremadetowork12hoursaday.Weoftenseehimgoforawalkbytheriver.Heisoftenseentogoforawalkbytheriver.1.Theteachersoftenmakeusreadbooksinthemorning.Weareoftenmadetoreadbooksinthemorningbytheteachers.2.Wenoticedhimtalkwithmybrotherjustnow.Hewasnoticedtotalkwithmybrotherjustnow.3.WesawherhelpTomwhenweentertheroom.ShewasseentohelpTomwhenweentertheroom.4.Imadehimstopwhilehewasdoingthework.Hewasmadetostopwhilehewasdoingthework.3主动句中含有宾语补足语句子的被动语态:把人变为主语Mothertoldmenottobelate.Iwastoldnottobelatebymother.Isawmotherplantingflowersinthegarden.Motherwasseenplantingflowersinthegarden.动词短语变被动语态,后面的介词不能丢。takecareof→betakencareofcutdown→becutdownlaughat→belaughedatlookafter→belookedafterSpeaktobespokentoHandinbehandedin4短语动词的被动语态Icantakegoodcareofthebaby.Thebabycanbetakengoodcareof.Weshouldspeaktotheoldpolitely.Theoldshouldbespokentopolitely.•Therainstopped.•Thesouptastesdelicious.stop,taste在句中是不及物动词,后面不能直接带宾语,因此不能变为被动语态。不及物动词(vi.)不能用于被动语态。happen,takeplace,appear,disappear,belongto,breakout(爆发)e.g.Atrafficaccident________(happen)justnow.happened2.连系动词(Link.v.)不用被动语态。如:be,look,seem,feel,sound,smell,taste,get,turn,become…e.g.PekingOpera_______(sound)beautiful.sounds3.当此动词表示事物的自然属性的时候,不用被动语态。e.g.Thepen__________(write)veryfast.writesThiskindofsweater_______(sell)well.sells三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如:Itissaidthatonedayheclimbedtothetopofahouseand……ItwasreportedthathermotherdiedofSARS.众所周知……Itiswellknownthat…据推测说……Itissupposedthat…•Practice:1MustIpayforitatonce?_____it______________atonce?2Wewillbuildanewlab.Anewlab_____________.3Theyaren’tstoppingthetrafficnow.Thetraffic_______________now.4Howlonghaveyoukeptthebook?Howlong____thebook________?Mustbeenpaidforwillbebuiltisn’tbeenstoppinghasbeenkept5Ifyourhomework______(do)well,youmaygotoplay.6Mr.Greenwasseen_______(grow)trees.7Theblackboardwas________(look)carefullybythestudents.8Theshipmodel____be____(make)intwodays.isdonetogrowlookedatwillmade1.---Didyoug