-Unit5 语法 被动语态专项讲解 课件人教版英语九年级

被动语态1.Teenagersshouldbeallowedtochoosetheirownclothes.2.Englishisspokenbymanypeople.4.Lucky52iswatchedonTVbymanypeople.3.Theticketsaboutheroesaresoldout.5.RiceisplantedinSouthChina.6.Heissaidagoodboy.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：Manystudents

study

English.(主动语态)English

isstudied

bymanystudents.(被动语态)语态被动语态的构成

Be+及物动词的过去分词

Theclassroomiscleanedeveryday.Peterwasallowedtogooutatnight.Asportsmeetingwillbeheldnextweek.bymanystudents.主动语态变被动语态的方法1.Manystudentsstudy

English.Englishisstudied1.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。（①

by短语可以省。②by短语后跟代词的宾格。）1.找宾语----即动作的承受者They

make

shoesinthatfactory.

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,主变宾,前加by动变被,看清be,结构分别be+pp被动语态的时态

1.一般现在时的被动语态：

is/am/are+及物动词的过去分词

Ourclassroomiscleanedeveryday.TheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.被动语态的时态2.一般过去时态的被动语态was/were+及物动词的过去分词Anewshopwasbuiltlastyear.Theybuiltthetallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.3.含情态动词的被动语态情态动词+be+及物动词的过去分词Theblackboardshouldbecleanedclearlybeforeclass.1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.

Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearnedwellbythem.ChangethefollowingsentencesintothePassiveVoice1.TheymakeTVsetsinthatfactory.2.NorthwestChinagrowsthebestcotton.3.TheyusethisroomforplayingPingpong.4.Bellinventedthetelephonein1876.

TVsets

aremadeinthatfactory

ThebestcottonisgrowninNorthwestChina.ThisroomisusedforplayingPingpongThetelephonewasinventedbyBellin1876.5.Themanagermadethemwork10hoursaday.7.Youshouldwatertreesoften.8.Youmustnotplanttreesinverydryearth.Theyweremadetowork10hoursaday.Treesshouldbewateredoften.Treesmustnotbeplantedinverydryearth.几种特殊结构1.see,watch,hear,notice,feel,make,listento,lookat等动词/短语后作宾语补足语的不定式都不带to；但改成被动语态后必须带to。WeoftenhearhimsingEnglishsongs.HeisoftenheardtosingEnglishsongs.2.带双宾语的动词也就是动词+间接宾语（人）+直接宾语（物）变被动语态时，既可以把直接宾语作为被动语态的主语，也可以把间接宾语作为被动语态的主语，但是要注意：当把直接宾语作为主语是要补充相应的介词to或者for.Tomgavemearuler.Iwasgivenaruler.Arulerwasgiventome.Myfatherboughtmeabike.Iwasboughtabike.Abikewasboughtforme.3.不及物动词或者动词短语变被动语态是相应的介词不能省略。

Weshouldspeaktooldpeoplepolitely.Oldpeopleshouldbespokentopolitely.Weshouldtakecareofthepets.Thepetsshouldbetakencareof.下列这些短语本身即是被动语态的形式，不需再加－bybecoveredwith…用…覆盖着

beinterestedin…对…感兴趣

besurprisedat…对…感到惊奇

bemadeof（from）用…制造的动词短语的被动语态

takecareof－betakencareofcutdown－becutdownlaughat－belaughedatlookafter－belookedafter1.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2.不定式在某些形容词后作状语,且和句子的主语(或宾语)构成动宾关系时,用主动式表被动义。difficult,easy,hard,fit,pleasant,good,comfortable,light,heavy,safe,…Thefishisnotfit_______(eat)．WefindEnglishishard_______(learn)．Thearticleisdifficult___________(understand).toeattolearntounderstand3.不定式作后置定语,与被修饰的名词构成动宾关系,又和该句主语(或宾语)构成主谓关系时,用主动式表被动义。Ihavealotofhomework______(do)．I’llgivehimsomebooks______(read)．todotoread表示状态特征的连系动词+adj./n.,用主动式表被动义。4.表示状态特征的连系动词+adj./n.,用主动式表被动义。(look,sound,feel,smell,taste,prove,appear,make,...)Theclothfeelssoft．5.表示“开始、结束、运动”的动词用主动式表被动义。(begin,open,start,stop,end,finish,shut,move,run,...)Theshopopensat6am.everyday．表示主语的属性特征的动词+副词well/badly/easily/smoothly,用主动式表被动义6.作“需要”讲的want/need/require后接动词-ing作宾语时，用主动式表被动义；当然也可接不定式的被动式作宾语。Yourjacketneedswashing/tobewashed．Quiz1

Quiz11.Thesteel_____cold．

A.isfeltB.wasfeelingC.feelsD.isbeingfelt2.Hisplan_____good．

A.hassoundedB.issoundingC.issoundedD.soundsCDQuiz2Quiz2Theshop_____at6am.everyday．

A.opensB.opene