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动名词做主语和宾语The-ingformastheSubjectandObjectI自主学习Lead-in语法导入动词的-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。本单元学习动名词做主语和宾语。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③Therebe+no+动名词1）形式一动名词在句首直接做主语。1._________(sing)ishishobby.唱歌是他的爱好。2._________(play)computergamesisawateoftime.玩电子游戏是浪费时间。3._________(drive)fastisdangerous.驾驶超速很危险。【归纳总结】动名词做主语，谓语动词用单数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。Itisnouse_______(wait)here．在这儿等是没用itisworth/worthwhile_______(see)themovie.用下划线画出下面句子的形式主语和真正的主语①Itwasawasteoftimereadingthatbook.②Itisdangerousstandinginthemiddleofthestreet.Isitworthwhilequarrellingwithher?3）Therebe+no+动名词。Therewasnoknowingwhathecoulddo.Thereisno(joke)aboutsuchmatters..动名词做宾语的六种情形：作及物动词宾语it作形式宾语，代替动名词作作动词词组的宾语介词的宾语⑤既可接doing又可接todo的动词，但意义不同⑥常接动名词的动词或动词短语作及物动词宾语。Wouldyoumindopeningthewindow?Thegirlpractisesplayingviolineveryevening.作介词宾语。Sincethen,hehasdevotedhislifetofindingwaystogrowmoreandmorerice.Healwaysthinksmuchbeforedoinganything.it作形式宾语，代替动名词。Ifounditpleasantwalkingalongtheriveraftersupper.Doyouconsideritnecessarytryingagain?Welookforwardto(study)inuniversity.接doing的动词:want,wish,hope,ask,help,refuse,learn,demand,choose,decide,plan,manage,pretend,afford......常跟动词ing作宾语的动词歌诀:考虑建议盼原谅，consider,suggest/advise,lookforwardto,excuse,pardon承认推迟没得想，admit,delay/putoff,fancy避免错过继续练，avoid,miss,keep/keepon,practise否认完成停能赏，deny,finish,stop,enjoy/appreciate不禁介意准逃亡，can’thelp,mind,allow/permit,escape不准冒险凭想象。forbid,risk,imagine注：need,require,want作“需要”解时,后接动词-ing形式作宾语,主动形式表示被动意义,相当于tobedone。Theradioneeds/requires/wants____________________________（repair）.5）接doing又可接todo的动词:A意义基本一样，如like,love,hate,begin,start,prefer,attemptB意义明显不一样，如remember,forget,regret,mean,stop,try,want,needIforgettotakethemedicine.我忘记吃那个药。Iforgettakingthemedicine.我忘记把那个药吃了。Theystoppedtotalk.他们停下来开始讲话。Theystoppedtalking.他们停止讲话。既跟动词ing又接不定式作宾语的动词歌诀:双方一旦开始，不论喜欢与否，都得继续下去。不管记住与否，努力打算停止，后悔三个需要。begin,start,like,prefer,hate,dislike,continue.remember,forget,try,mean,stop,regret,want,need,require6）常接动名词的动词或动词短语A.此类动词有：admit,avoid,consider,escape,deny,risk,suggest......如：We’reconsideringpayingavisittotheScienceMuseum.Itcanavoiddamagingtheenvironmentorpeople'shealth.3.检测Let'shaveacompetion1.________(collect)stampsishishobby.2.Itwasawasteoftime_____(read)thatbook.读那本书是浪费时间。3.Isitworthwhile_______(quarrel)withher?4.Therewasno______(know)whathecoulddo.他能做什么很难说。5.Wouldyoumind______(open)thewindow?6.Thegirlpractices_______(play)violineveryevening.那个姑娘每晚练习拉小提琴。7.Sincethen,hehasdevotedhislifeto____（find)waystogrowmoreandmorerice.一直以来他都在致力于寻找生产更多水稻的发法。8.Ifounditpleasant_________(walk)alongtheriveraftersupper.我发现饭后在河边散步是及其美妙的。9.Welookforwardto________(study)inuniversity.我们盼望在大学里面学习。4.归纳v+ing1.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，动名词短语在后面做真正的主语③Therebe+no+动名词2.做宾语的六种情形：①作及物动词宾语②it作形式宾语，代替动名词作真正的宾语③作动词词组的宾语④介词的宾语⑤既可接doing又可接todo的动词，但意义不同⑥常接动名词的动词或动词短语5.课后练习根据括号内的汉语提示,完成下列句子。1)._____________(read)inthelibraryisabadhabit.在图书馆大声阅读是一种不好的习惯2).It’snouse__________(talk).像这样谈话是徒劳无用的。3).Inmymind,__________________(attend)willbetheonlywaytobecomeaworld-classwriter.在我看来，进入那所著名的大学学习是成为世界顶尖作家的唯一方法。4).Heremembered_______________(finish),sohegotupearlytodoitthenextmorning.他记起来没有完成作业，因此他第二天很早就起来做作业）5).I________(regret)nothavingwornathickercoatyesterday.我很后悔昨天我没有穿一件厚点的外套。