Unit2TheenvironmentGrammarandusage現(xiàn)在分詞結(jié)構(gòu)doingHavingdoneBeingdoneHavingbeendoneReview現(xiàn)在分詞成分表語(yǔ)定語(yǔ)賓補(bǔ)狀語(yǔ)ReviewVerb-ingformasadverbials現(xiàn)在分詞做狀語(yǔ)現(xiàn)分伴隨時(shí)間原因結(jié)果條件讓步獨(dú)立主格現(xiàn)分作狀語(yǔ)Hesitsonthebankandheissleeping.=Hesitsonthebank_________.sleeping1.Theystoodthere,__________(talk)toeachother.2.Theystoodthereand__________(talk)toeachother.3.____________(singandlaugh),theycameintotheclassroom.4.They____________(singandlaugh);theycameintotheclassroom.talkingtalkedSingingandlaughingsangandlaughedExercises1.現(xiàn)在分詞短語(yǔ)作伴隨狀語(yǔ)置于句首或句末Step1伴隨狀語(yǔ)2.現(xiàn)在分詞作狀語(yǔ)，表伴隨，即現(xiàn)在分詞與謂語(yǔ)動(dòng)詞兩個(gè)動(dòng)作同時(shí)發(fā)生。WhenIwaslisteningtothemusicofthisTVdrama,Ifeltalittlefrightened.=________tothemusicofthisTVdrama,Ifeltalittlefrightened.ListeningAfterIhadwatchedtheplot(情節(jié))ofthisTVdrama,Ireallywantedtocry.=________________theplotofthisTVdrama,Ireallywantedtocry.Having

watched1)Hearingthebadnews,theycouldn’thelpcrying.=When__________thebadnews,theycouldn’thelpcrying.

theyheardExercises2)AfterIhadreceivedhisletter,Idecidedtowriteback.=________________hisletter,Idecidedtowriteback.Havingreceived總結(jié)：現(xiàn)在分詞

作時(shí)間狀語(yǔ)，相當(dāng)于一個(gè)_________。(注意時(shí)間先后)-ing短語(yǔ)作時(shí)間狀語(yǔ)要置于句首。Step2時(shí)間狀語(yǔ)原因狀語(yǔ)從句Becauseshebelievedthathemurdered(謀殺)herparents,shekilledhim._________thathemurderedherparents,shekilledhim.BelievingAshehasbeeninformedofhismother’death,hecryssadly.=____________informedofhismother’death,hecryssadly.Havingbeen1)Beingsoangry,

hecouldn’tgotosleep.=Because_________soangry,hecouldn’tgotosleep.Exercises2)Because(As)hehadbeentotheGreatWallmanytimes,hedidn’tgolastweek.=___________totheGreatWallmanytimes,hedidn’tgolastweek.hewasHavingbeenStep3原因狀語(yǔ)(1).現(xiàn)在分詞作原因狀語(yǔ)，置于句首(2).現(xiàn)在分詞作原因狀語(yǔ)，相當(dāng)于一個(gè)_____________。原因狀語(yǔ)從句Hisstepmothertreatshimandhismotherbadly.Asaresult,itcauseshimrevenging(復(fù)仇).=Hisstepmothertreatshimandhismotherbadly,__________himrevenging(復(fù)仇).causingShekilledhim.Asaresult,itmadeherfeelhaert-broken.=Shekilledhim,________herfeelhaert-broken.makingThefactorykeepsgivingoffsmoke,___________(make)theairdirty.=Thefactorykeepsgivingoffsmoke.Asaresult,it_________(make)theairdirty.2)Alltypesofwasteflowintoourwater,______(kill)riverandsealife.Exercisesmakingmakeskilling(1).現(xiàn)在分詞作作結(jié)果狀語(yǔ)，置于句末。(2).現(xiàn)在分詞作結(jié)果狀語(yǔ)，相當(dāng)于一個(gè)____________。Step4結(jié)果狀語(yǔ)結(jié)果狀語(yǔ)從句Ifyouloveme,youwillholdmefirmly.=——————me,youwillholdmefirmly.LovingIfIsay‘Iloveyou’,Iwillmarryyou.=__________‘Iloveyou’,Iwillmarryyou.Saying(1)Workinghard,youwillsucceed.

=

=Workhard

andyouwillsucceed.

Ifyouworkhard,youwillsucceed.Exercises(2)________(prepare)fully,wecanachievegreatthings._________(prepare)fullyandwecanachievegreatthings.

Ifwe________(prepare)fully,wecanachievegreatthings.PreparingPrepareprepare(1).現(xiàn)在分詞作條件狀語(yǔ)通常置于句首。(2).現(xiàn)在分詞作條件狀語(yǔ),相當(dāng)于一個(gè)___________。Step5條件狀語(yǔ)條件狀語(yǔ)從句Thoughwehavehadsomemisunderstanding,weliveahappylifenow.=____________somemisunderstanding,weliveahappylifenow.Thoughhavinghad(1).Thoughhisfatherworkedfrommorningtillnight,hedidn’tgetenoughfood.=_______________frommorningtillnight,hisfatherdidn’tgetenoughfood.ExercisesThoughworking(1).現(xiàn)在分詞作讓步狀語(yǔ)，可置于句首或句末，常與though,although,while,evenif/though等連用。(2).現(xiàn)在分詞作讓步狀語(yǔ)相當(dāng)于一個(gè)__________

(連詞though等通常保留)。Step6讓步狀語(yǔ)讓步狀語(yǔ)從句Step7現(xiàn)分的獨(dú)立主格結(jié)構(gòu)Thepeople______herearehardworking.A.whoworksB.WorkingC.whichworksD.beingworked2.Wefoundhim______newspaper.A.beingreadB.readingC.havingreadD.toreadStep7現(xiàn)分的獨(dú)立主格結(jié)構(gòu)1.WhenIgottothetrainstation,thetrainhadleft.=_____________(getto)thetrainstation,thetrainhadleft.IgettingtoStep7現(xiàn)分的獨(dú)立主格結(jié)構(gòu)3.Whensheheardthenews,tearscamefromherchecks(臉頰).=_____________(hear)thenews,tearscamefromherchecks.2._______________(hear)thenews,shecried.HearingShehearingConclusion:Step7現(xiàn)分的獨(dú)立主格結(jié)構(gòu)獨(dú)