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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havingmadehavingbeenm
2、adehavinggone2、-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.☆Myhobbyis___
3、_______(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称性;当主语是不定式时，
4、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.Itisimportantforme___________
5、____(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,delay,enjoy,escape,excus
6、e,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()2.Besides_____,sheiskind
7、andtender.A.beautifulB.beingbeautifulC.shebeautifulD.isbeautiful()3.Whenheheardthebignoise,Tomstopped_____and_____tothewindowtoseewhatwashappening.4A.toread;wentB.reading;togoC.reading;goingD.reading;went ()4.Iambusy_____fortheentranceexamination,soIcan’thelp_____ho
8、useworkathome.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
