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1、The–ingformastheSubjectandObjectGrammarHaveyoueverseenthesesigns?parking,spitting,littering,smoking-ingforms动词-ing形式由动词加-ing变化而成,在句中可以作主语、宾语等。1.Sincethen,findingwaystogrowmorericehasbeenhislifegoal.2.Hesawthegreatneedforincreasingthericeoutput.3.DrYuansearch
2、edforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.4.Hedoesn’tcareaboutbeingfamous.5.Heenjoyslisteningtoviolinmusic,playingmah-jong,swimmingandreading.6.Spendingmoneyonhimselforleadingacomfortablelifealsomeansverylittletohim.7.Justdreamingfort
3、hings,however,costsnothing.8.DrYuanawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeedmorepeople.findingwaystogrowmorericeincreasingthericeoutputexpandingtheareaofthefields.beingfamouslisteningtoviolinmusic,playingmah-jong,swimmingreadingSpending
4、moneyonhimselfleadingacomfortablelifedreamingforthingsproducingakindofrice主语宾语宾语宾语宾语宾语主语主语动词-ing形式不能单独作谓语,但可以有自己的宾语一、v-ing形式作主语表示经常的、习惯性的动作或状态,谓语动词通常用单数。如：Walkingisagoodformofexerciseforbothyoungandold.GoingtoHangzhoubytraintakesabout16hours.Askingawoman’sag
5、eisimpoliteinourcountry.学习一门外语对我们来说非常有用。Learningaforeignlanguageisveryusefultous.收集信息对生意人来说非常重要。Collectinginformationisveryimportanttobusinessmen.眼见为实。Seeingisbelieving.用it作形式主语时，一般常用todo作真正主语，如ItisimportanttolearnEnglish.但在以下句型中，常用doing作真正主语nousenogoodItisu
6、selessdoingsthawasteoftimeworthwhile和他争辩是没有用的。(use)Itisnousearguingwithhim.谈论这样无用的事情简直是浪费时间。It’sawasteoftimetalkingaboutsuchauselessthing.讨论这个问题是值得。Itisworthwhilediscussingtheproblem.二、v-ing用作宾语1.作介词宾语我向你道歉,刚才对你那样生气。Iapologizetoyouforbeingsoangrywithyou.她对在我
7、们公司工作感到很满意。Sheisverysatisfiedwithworkinginourcompany．下列短语中的to都是介词,所以后面跟名词或v-ing形式:devote…to,objectto(反对)payattentionto,getdownto(着手做…),leadto(导致),lookforwardto,stickto(坚持),beusedto(习惯于)等。2.作动词的宾语1).有些动词只能后接v-ing作宾语,常见的有avoid,advise,consider,enjoy,keep,finish
8、,suggest,dislike,delay,escape,imagine,mind,miss,practise,risk,admit,appreciate,giveup,putoff,cannothelp,cannotstand等。你是否考虑过买辆新车?Haveyouconsideredbuyinganewcar?我们必须设法避免犯同样的错误。Wemusttrytoavoidmaki
