初中英语被动语态讲解及练习1课件

PassiveVoice

被动语态1精选ppt课件PassiveVoice

被动语态1精选ppt课件英语动词有两种语态：主动语态和被动语态。

1.当我们不知道谁是动作的执行者,

2.或者只需强调动作的承受者时，要用被动语态。被动语态结构：be+

过去分词(PP)+(by…)2精选ppt课件英语动词有两种语态：主动语态和被动语态。

1.当我们不知道表格：被动态基本结构时态被动语态结构一般现在时一般过去时一般将来时现在进行时am/is/arebeingdone现在完成时am/is/aredonewas/weredone(shall/will/begoingto)bedonehave/hasbeen

done3精选ppt课件表格：被动态基本结构时态被动语态结构一般现在时一般过去时一般情态动词的被动语态情态动词+be+donemustbedone/mustn’tbedoneshouldbedone/shouldn’tbedonecanbedone/can’tbedonemaybedone/mightbedone4精选ppt课件情态动词的被动语态情态动词+be+done4精选ppt各种时态的被动语态构成

1）一般现在时：Youareinvitedtodothis.2）一般过去时：Thestorywastoldbyher.3）一般将来时：Theproblemwillbediscussedtomorrow.看一看想一想5精选ppt课件看一看想一想5精选ppt课件4)情态动词：Therubbishcanbeputintothedustbinoverthere.6精选ppt课件4)情态动词：Therubbishcanbeput在改写中应注意：1.把原来的宾语提到前面作被动语态的主语;2.把动词变成“be+过去分词”;3.主动语态中的主语变为介词by的宾语。ManypeoplespeakChinese.Chineseisspokenbymanypeople.7精选ppt课件在改写中应注意：ManypeoplespeakChinHeplantstreesinspring.

主谓宾(受动者)Treesareplantedbyhim改为被动语态inspring.8精选ppt课件HeplantstreesTomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.9精选ppt课件TomwillcleantheroomtomoHisbrotherwashesbowlseveryday.主谓宾(受动者)Bowlsarewashedbyhisbrother

everyday.10精选ppt课件Hisbrotherwashesbowlseve1.Peopleuseknivesforcuttingthings.Knives____________forcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroom_____________twiceamonth.EXERCISESareusedarecleaned(变被动语态）11精选ppt课件1.Peopleuseknivesforcuttin3.Ifoundtheticketonthefloor.________________________onthefloor.4.Itoldhertoreturnthebookintime.She_____________toreturnthebookintime.Theticketwasfoundwastold12精选ppt课件3.Ifoundtheticketonthefl5.Hisdoctormadehimhaveonlytwomealsaday.He___________________________onlytwomealsaday.6.Nowpeoplecanusecomputerstohelpthem.Nowcomputers___________________tohelpthem.wasmadetohavecanbeused13精选ppt课件5.Hisdoctormadehimhaveon10.TheteacheraskedTomtoturnonthecomputer.Tom_______________toturnonthecomputer.11.Inthisfactorywomendomostofthework.Mostofthework_______________bywomeninthisfactory.wasaskedisdone14精选ppt课件10.TheteacheraskedTomtotu12.Hecanmendthebikeintwodays.Thebike___________________intwodays.13.Youmusttakethismedicinethreetimesaday.Thismedicine______________________threetimesaday.canbemendedmustbetaken15精选ppt课件12.Hecanmendthebikeintwo14.ThestudentsstudyGermaninthisschool.German_______________bythestudentsinthisschool.15.Dotheyoftentalkaboutthisquestion?______thisquestionoften_______about______________?isstudiedIstalkedbythem16精选ppt课件14.ThestudentsstudyGermani1)Teenagersshould_____(allow)togooutatnight.2)Thetelephone_____(invent)byBell.3)English____(speak)inChina.4)Thecar____(make)inChina.5)Theroommust_____(clean)everyday.

beallowedwasinventedisspoken

ismadebecleaned17精选ppt课件1)Teenagersshould_____Oralpractice-主动句改被动句

Oralpractice--1.Changeeachsentenceintopassivevoice:Acar

knockedhimdownyesterday.Thesetwokidsplanttreeseveryyear．3)Weshouldprotecttheearth．4)We’llputontheplaynextSunday．Hewasknockeddownbyacaryesterday．Treesareplantedbythesetwokidseveryyear.Theearthshouldbe

protectedbyus.TheplaywillbeputonbyusnextSunday.18精选ppt课件Oralpractice-主动句改被动句Oralpra几种特殊结构1.Myunclegavemeagiftonmybirthday．2.Weoftenhearhimplaytheguitar．Agiftwasgiventomeonmybirthday.Heisoftenheardtoplaytheguitar注意1：see,watch,hear,notice,feel,make,listento,lookat等动词/短语后作宾语补语的不定式都不带to；但改成被动语态后必须带to。Beseentodo,bemadetodo,beheardtodo,bewatchedtodo19精选ppt课件几种特殊结构1.MyunclegavemeagifWeshouldlookaftertheoldpeople.Theoldpeopleshouldbelookedafterbyus.注意2：有些不及物动词加介词构成及物动词短语，如果变被动语态，不能把动词后的介词丢掉。20精选ppt课件Weshouldlookaftertheoldp注意3：主语+连系动词+表语的句子没有被动语态。Thefoodtastesdelicious.注意4：therebe结构没有被动语态21精选ppt课件注意3：主语+连系动词+表语的句子没有被动语态。21精选1。动词(表示主语的属性特征)

+副词(well/badly/easily/smoothly),用主动式表被动义。read,write,sell,wash,clean,wear,lock,open,cook,shut,dry,eat,drink,…Thebooks____well．A.weresoldB.sellC.havesoldD.arebeingsoldThiskindofcloth____easily．A.haswashedB.waswashedC.washesD.iswashedBC主动式表被动义22精选ppt课件1。动词(表示主语的属性特征)+副词(well/b7.Didyouplantmanytreesatthistimelastyear?___________________________atthistimelasttime?8.Mustwefinishourworktoday?_______ourwork_____________today?WeremanytreesplantedMustbefinished23精选ppt课件7.Didyouplantmanytrees9.Theforeignfriendsgaveussomewonderfulstamps.1)____________________somewonderfulstamps.2)Somewonderfulstamps_____________________________.weweregivenweregiventous24精选ppt课件9.Theforeignfriendsgaveus()1.Themonkeywasseen_____of