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1、新课标人教版课件系列《高中英语》选修(模块）7-3.5UndertheseaGrammar---Ving一:V-ing形式由“do＋ing”构成，其否定形式是“notdoing”,V-ing可以带宾语或状语构成V-ing短语，没有人称和数的变化，但有时态和语态的变化。GrammarV-ing形式语态时态主动形式被动形式一般式完成式(not)doing(not)beingdone(not)havingdone(not)havingbeendone二:V-ing可作主语、宾语、表语;定语、状语和宾语补足语，但不能单独作谓语。V-ing形式表示的动作与主要动词同时发生或发生在主要动词
2、之后，用其一般式;V-ing形式表示的动作在主要动词之前发生，用其完成时，在具体应用中也常以一般式代替完成式。V-ing的用法：1.作主语★Swimmingisgoodforhealth.★___________(raise)yourhattoaaladyisgoodmanners.对一位女士脱帽致敬是礼貌的。★____________(kill)bysharksintheseaisacommonthing.RaisingBeingkilled2.作表语☆Teachingislearning.教学相长．☆Myhobbyis__________(make)modelplanes.
3、☆Whatworriedthechildmostwas_________(not,allow)tovisithismotherinthehospital.makingnotbeingallowed1).V-ing形式和不定式都可表示比较抽象的一般性的行为；而表示具体的某次动作，尤其是将来的动作时，多用不定式。Toobey/Obeyingthelawiseveryone’sduty.2).V-ing形式和不定式都要有对称性;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.=Seeingisbelievin
4、g.注意3).It’snouse(good)doingsthIt’sawasteoftimedoingsthit作形式主语,只用V-ing,不用不定式。※Itis+adj.+(forsb)todosthItisnousecryingoverspiltmilk.覆水难收。Itisawasteoftime___________(talk)tohim.Itisimportantforme_______________(learn)English.talkingtolearn3.作宾语V-ing形式既可作动词的宾语,也可作介词的宾语。★Wewouldappreciatehearingf
5、romyou．我们会珍惜你的来信。★Thebirdescaped______________(catch).★Ifeellike__________(join)thearmy.★Hewasafraidof____________(abandon)byus.beingabandonedbeingcaughtjoining注意：在avoid,admit,appreciate,complete,consider,delay,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,giveup
6、,putoff,feellike,insiston等后只接V-ing形式作宾语。4.作定语＊Thegirlstandingthereismysister.＊Thisisapieceof__________(surprise)news.＊Theproblem____________(discuss)nowisveryimportant.＊Thefarmers____________(work)inthefieldsaretired.surprisingbeingdiscussedworking5.作状语◆Hearingthegoodnews,hejumpedwithjoy.◆He
7、satatthetable,__________(read)ChinaDaily.◆______________(ask)toanswerthequestion,shecouldn’trefuse.◆__________(work)hard,youwillsucceed.readingWorkingBeingasked6.作宾语补足语:●Isawpeoplecomingandgoinginthestreet.●Iheardher___________(sing)asonginherroom.
