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1、Unit5learningaboutlanguage---discoveringusefulstructuresThe–ingformastheAdverbial动词-ing作状语V-ing作状语时表示的动作是主语动作的一部分，与谓语表示的动作或状态同时或几乎同时发生的，或是先于谓语动词发生，它的逻辑主语与句子的主语一致。V-ing作状语常表示时间、条件、原因、方式、伴随、让步、结果，多用逗号跟句子其他成分隔开。Iwasfeelingtired,Iwenttobedearly.Iworkedhardallday.Iwenttobedea
2、rly.Feelingtired,Iwenttobedearly.Havingworkedhardallday,Iwenttobedearly.作时间状语Walkingalongthestreet,ImetMary.(=WhileIwaswalkingalongthestreet,…)Hearingthenews,theyalljumpedwithjoy.作原因状语Beingtired,Istoppedtotakearest.(=BecauseIwastired,…)Notknowingheraddress,wecouldn’tgeti
3、ntouchwithher.由于不知道她的地址，我们无法和她联系。听到这个消息时，他们都高兴地跳了起来。作条件状语Turningtotheleft,youwillfindtheschool.(=Ifyouturntheleft,…)Ifyouworkhard,you'llsucceed.=Workinghard,you'llsucceed.作让步状语1.Workinghardashedid,hewasstillunabletosupportthewholefamily.2.KnowingwhereIlive,henevercomesto
4、seeme.=ThoughheknowswhereIlive,henevercomestoseeme.作伴随状语1.Istoodthere,waitingforher.(=…,andwaitedforher.)2.FollowingMike,theystartedtoclimb.3.Thechildrenlaughedandtalkedmerrily,andtheyranoutoftheroom.Thechildrenranoutoftheroom,laughingandtalkingmerrily.那些孩子们跑出房间，愉快地笑着、说着
5、。如果V-ing表示的动作发生在句子谓语之前，则要用V-ing的完成式，即是：Having+P.P(过去分词)…,主语+谓语1.Aftershehadfinishedherwork,shewenthome.2.Aswehaveinvitedhimheretospeak,we’dbettergotohislecture.V-ing形式的完成式Havingfinishherwork,shewenthome.Havinginvitedhimheretospeak,we’dbettergotohislecture.Exercises1.____
6、_thechampionship,hewasawardedamilliondollars.A.WonB.WinningC.HavingwonD.Beingwon2.______onlybookknowledge,youwillnotbeabletoworkwell.A.HadB.HaveC.HavingD.Tohave3.Isawalotofchildrenplayinginthegardenmostofthem_____girls.A.areB.beingC.wereD.having4.Theoldmancouldnotsleepat
7、night,hiswrongs_____himnopeace.A.gaveB.giveC.beinggivingD.giving5.Thedecision_____,whatistobedonenowishowtocarryitout.A.madeB.hasbeenmadeC.havingbeingmadeD.beingmade6.____inthequeenforhalfanhour,IsuddenlyrealizedthatIhadleftmywalletathome.A.TowaitB.WaitingC.HavingwaitedD
8、.Tohavewaited7.“Wecan’tgooutinthiswinter,”saidTed,____outofthewindow.A.lookingB.tolookC.lookedD.havingl
