人教版高二英语选修七Unit3-Grammar课件.ppt

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1、RevisethePassiveVoice(2)Theuseof-vingLearningaims1.Revisethepassivevoiceofv-ing.2.Mastertheformsandthefunctions.3.Beabletousefreelyintheexercises.Canyoufindthefollowingsentenceinthereadingpassage？1IhadalreadyheardthatGeorgedidn’tlikebeingkeptwaiting.2Icouldseeawhalebeing

2、attackedbyapackofaboutsixotherkillers.3Beingbadlywounded,thewhalesoondied.4Icouldseehewasterrifiedofbeingabandonedbyus.V-ing形式的被动式Tombrokethewindow.（主动语态）①    ②          ③ThewindowwasbrokenbyTom.（被动语态）③               ②                ①一：英语的谓语动词有两种语态主动语态被动语态主动语态表示句子的主语为动作

3、的发出者，被动语态表示句子的主语为动作的承受者。Revision二、什么时候用被动语态＊强调动作的承受者＊不知道动作的发出者＊没有必要说出动作的发出者Hewaspunishedbyhisfather.Hewastoldtohaveashortrest.Thiskindofchangeiscalledchemicalchange.(not)doing(not)beingdone(not)havingdone(not)havingbeendone一、动词ing被动形式的构成--V-ing一般时和一般时的被动形式;Hehurriedhome,

4、lookingbehindfromtimetotime.2)Thebuildingbeingrepairedisourdormitory.---V-ing的完成时和完成时的被动形式.1)Havinglitacandle,shewentout.2)Havingbeenaskedtostay,Icouldn’tleave.3)Havingheardthis,ourteacherexpressedhersatisfaction.1．一般式表示被动的动作正在进行或与谓语动作同时发生。2.完成式表示被动的动作发生在谓语动作之前。Summary意义

5、二、V-ing的句法功能1.V-ing形式作主语,此时V-ing形式多表示一般或抽象的重复多次的行为。如:Layingeggsistheantqueen'sfull-timejob.产卵是蚁后的专职工作。Playingwithfireisdangerous.例1:_______isagoodformofexerciseforbothyoungandold.A.ThewalkB.WalkingC.ForawalkD.Walk解析动名词作主语通常表示习惯性,泛指经常性的不具体的动作;而不定式作主语则表示一次性的、具体的动作。题中的agood

6、form又暗示考生,这个动作是泛指的、经常性的。玩火很危险。_____theexamwilldisappointyourparents.A.YoufailingB.YourfailingC.YoufailD.Youtofail.2._____thesamemistakeagainmadehisparentsveryangry.A.HisbeingmadeB.HehasmadeC.HehadmakingD.HismakingExercises3.Idon'tthinkit'smuchgood_____tohim.A.writingB

7、.towriteC.writeD.written4.Suchbooksarenotworthy_____atall.A.ofbeingreadB.beingreadC.readingD.toread5.Itisnouse________withoutthrough_________.A.toread;understoodB.reading;understandingC.toread;understandD.read;tounderstand动名词复合结构是由形容词性物主代词或名词所有格+v-ing构成,即动名词的逻辑主语用形容词性物主

8、代词或名词所有格表示：Hiscominglatemadetheteacherangry.动名词复合结构在句中作主语,宾语和表格,作主语和表语从句.lcanhardlyimaginepeter's/peter