动词-ing形式作主语和宾语The-ingformastheSubjectandObject•动词的-ing形式可分为动名词和现在分词两类。作为动名词,它有名词的基本性质,因此动名词可以在句子中充当主语、宾语、表语,宾语补足语和定语。导入:1.动名词做主语(动名词做主语往往表示经常性、习惯性的动作。此时,谓语动词用单数形式)•动名词做主语有三种形式:①动名词在句首直接做主语②It在句首做形式主语,而动名词短语在后面做真正的逻辑上的主语1)形式一动名词在句首直接做主语•Readingaloudisveryimportantforustolearnaforeignlanguage.•Seeingisbelieving.•__________(collect)stamps(邮票)ishishobby.Collecting2)It在句首做形式主语,而动名词在后面做真正的逻辑上的主语•Goingtobedearlyisconsideredtobeagoodhabit.•Itisconsideredtobeagoodhabitgoingtobedearly.•用下划线画出下面句子的形式主语和真正的主语•①Itwasawasteoftimereadingthatbook.•②Itisdangerousstandinginthemiddleofthestreet.•③Isitworthwhilearguingwithher?改一改:•1.Drinkingmilkaregoodforyourhealth.____•2.Eattoomuchmaymakeyoufat._________•3.Readinthesunisbadforyoureyes._____•4.Travelingbyshipisacomfortable._______•5.Itisdangerousstandthere.________isEatingReadingstanding2.动名词做宾语•动词-ing做宾语的情形:•①作及物动词宾语•②it作形式宾语,代替动名词•③作含有介词的动词短语的宾语•④既可接doing又可接todo的动词,但意义不同•⑤常接动名词的动词或动词短语•1)作及物动词宾语。•Wouldyoumindopeningthewindow?•Thegirlpracticesplayingtheviolineveryevening.•2)it作形式宾语,代替动名词。•Ifounditpleasantwalkingalongtheriveraftersupper.•Doyouconsideritnecessarytryingagain?•3)接doing的动词及含有介词的动词短语:•动词:mind,allow,stand,suggest,practise,consider,dislike,enjoy,•含介词的动词短语:feellike,giveup,lookforwardto,keep(on),payattentionto,beusedto...•4)接doing又可接todo的动词:•A意义基本一样,如like,love,hate,begin,...•B意义明显不一样,如remember,forget,regret,stop,goon,mean,try...•Theystoppedtotalk.他们停下来开始讲话。•Theystoppedtalking.他们停止讲话。填一填•1.Theboywasluckytoescape__________(punish).•2.Wedon'tallow_________(dive)inthepool.•3.Visitorsarenotallowed__________(enter)theparkwithoutaticket.•4.Wouldyoumind__________(close)ewindow?•5.Pleaseremember____________(give)mybestwishestoyourfamily.beingpunisheddivingtoenterclosingtogiveHomwork1、完成导学案2、《晨读晚练》第二页。