最新人教版高二英语选修七Unit3-Grammar教学讲义PPT课件.ppt

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1、人教版高二英语选修七Unit3-GrammarLearningaims1.Revisethepassivevoiceofv-ing.2.Mastertheformsandthefunctions.3.Beabletousefreelyintheexercises.Canyoufindthefollowingsentenceinthereadingpassage？1IhadalreadyheardthatGeorgedidn’tlikebeingkeptwaiting.2Icouldseeawhalebeingattackedbyapackofabo

2、utsixotherkillers.3Beingbadlywounded,thewhalesoondied.4Icouldseehewasterrifiedofbeingabandonedbyus.V-ing形式的被动式--V-ing一般时和一般时的被动形式;Hehurriedhome,lookingbehindfromtimetotime.2)Thebuildingbeingrepairedisourdormitory.---V-ing的完成时和完成时的被动形式.1)Havinglitacandle,shewentout.2)Havingbeen

3、askedtostay,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:_______

4、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agoodform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._____thesamemistakeagainmade

5、hisparentsveryangry.A.HisbeingmadeB.HehasmadeC.HehadmakingD.HismakingExercises3.Idon'tthinkit'smuchgood_____tohim.A.writingB.towriteC.writeD.written4.Suchbooksarenotworthy_____atall.A.ofbeingreadB.beingreadC.readingD.toread5.Itisnouse________withoutthrough_________.A.toread

6、;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/peterSailingacrosstheAtlanticoceaninfivedays._____theexamwi

7、lldisappointyourparents.A.YoufailingB.YourfailingC.YoufailD.Youtofail.2._____thesamemistakeagainmadehisparentsveryangry.A.HisbeingmadeB.HehasmadeC.HehadmakingD.HismakingExercises2.作表语(往往表示一种概念，习惯或经验，或说明主语的内容.)☆Teachingislearning.教学相长．☆Myhobbyis______(make)modelplanes.☆Whatwo

8、rriedthechildmostwas_________________(not,allow)tovisithismot