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1、非谓语动词(二)——动词-ing形式(二)-ing形式:动词的-ing形式也是一种非谓语动词。-ing形式仍保留有动词的特征,可以带有其所需要的宾语或状语而构成-ing短语。1、-ing的形式:-ing有一般式和完成式。及物动词的-ing有主动语态和被动语态,而不及物动词的-ing则没有被动语态。现在以及物动词make和不及物动词go为例,将其-ing各种形式列表如下:动词语态形式及物动词make不及物动词go主动语态被动语态主动语态一般式makingbeingmadegoing完成式havingmadehavingb
2、eenmadehavinggone2、-ing形式的基本用法。(1)作主语:Seeingisbelieving.★Swimmingisgoodforhealth.★___________(raise)yourhattoaladyisgoodmanners.★____________(kill)bysharksintheseaisacommonthing.(2)作表语:Herjobiswashingandcooking.Myhobbyiscollectingstamps.☆Teachingislearning.☆Myho
3、bbyis__________(make)modelplanes.☆Whatworriedthechildmostwas_________(not,allow)tovisithismotherinthehospital.注意:1).动名词和不定式都可以作主语,动名词作主语表示一般或抽象的多次性行为,不定式作主语往往表示具体的或一次性的动作。如:Playingwithfireisdangerous.(泛指玩火)Toplaywithfirewillbedangerous.(指一具体动作)2).V-ing形式和不定式都要有对
4、称性;当主语是不定式时,表语也用不定式;反之,当主语是V-ing形式时,表语也用V-ing形式。Toseeistobelieve.=Seeingisbelieving.3).It’snouse(good)doingsthIt’sawasteoftimedoingsthit作形式主语,只用V-ing,不用不定式。※Itis+adj.+(forsb)todosthItisnousecryingoverspiltmilk.Itisawasteoftime___________(talk)tohim.Itisimportant
5、forme_______________(learn)English.(3)作宾语:V-ing形式既可作动词的宾语,也可作介词的宾语。★Wewouldappreciatehearingfromyou.我们会珍惜你的来信。★Thebirdescaped______________(catch).★Ifeellike__________(join)thearmy.★Hewasafraidof____________(abandon)byus.注意:1在avoid,admit,appreciate,consider,dela
6、y,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,giveup,putoff,feellike,insiston,insteadof,lookforwardto,objectto,keepon等后只接V-ing形式作宾语。()1.Thethiefenteredtheroomwithout_____.A.noticingB.beingnoticedC.havingnoticedD.havingbeennoticed()
7、2.Besides_____,sheiskindandtender.A.beautifulB.beingbeautifulC.shebeautifulD.isbeautiful()3.Whenheheardthebignoise,Tomstopped_____and_____tothewindowtoseewhatwashappening.4A.toread;wentB.reading;togoC.reading;goingD.reading;went ()4.Iambusy_____fortheentranceexa
8、mination,soIcan’thelp_____houseworkathome.A.preparing;doingB.preparing;todoC.toprepare;doingD.toprepare;todo注意:2①在want,need,require,deserve等动词之后作宾语时,常用动名词的主动式表示被动意义。Y