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1、Grammar,动词-ing形式作主语和宾语,I.Warming Up,Have you ever seen these signs?,Parking,spitting,littering,smoking,-ing forms,我们常说的动名词是怎么回事？,构成：意义：用法,动词末尾加-ing 形式,动词的形式，名词的用法和意义,动名词具有名词的性质，因此在句中可以作主语、宾语、表语、定语等。,He likes his dog.His dog likes him.,主语,宾语,代词,名词,主语,宾语,名词,代词,主语和宾语一般为名词或者代词。,Which are correct?我的兴趣是阅读
2、。My interest is read.My interest is reading.阅读是我的兴趣。Read is my interest.Reading is my interest.,3.动词能否做主语?动词能否做宾语?,动词不能做主语或宾语。动名词能做主语或者宾语。,总结,一、动名词做主语,welcome to use these PowerPoint templates,New Content design,10 years experience,1.V-ing作主语直接置于句首2.V-ing做主语置于句末，用it做形式主语3.常用V-ing形式做主语的句型4.V-ing形式和to
3、 do 不定式 做主语时的区别,用动名词完成下列句子。,1.is his hobby.(唱歌),Singing,2.is the best way to lose weight.(做运动),Doing exercise,3.is a waste of time.(玩电脑游戏),Playing computer games,4.is dangerous.(开车开得太快),Driving too fast,Whats in common?,Dancing is their hobby.Doing exercise is a good way to lose weight.Driving too f
4、ast is dangerous.,1.作主语。2.谓语动词用。,动词-ing,单数,动名词做主语往往表示经常性、习惯性的动作,不定式则通常表示具体的动作(指句中有具体的时间、频率、地点、方式状语）,Singing is my hobby,and to sing on my friends birthday party is my dream.唱歌是我的爱好，在朋友的生日宴会上唱歌是我的梦想。,动词-ing形式的否定形式是在其前面加not。如：没有刷牙让她闻起来很臭。Not cleaning her teeth made her smell bad.,1._(没有完成作业)makes him
5、upset.,Not finishing his homework,【即时练习】,2.made her parents worried.(没有按时回家),Not coming home in time,role play time!,和不定式做主语一样，动名词做主语也可以用it作形式主语，用形容词或名词作表语。即常用it be+adj/n.+doing sthEg:It is no use waiting here在这儿等是没用的。(It为形式主语，waiting here为真正的主语)waiting here is no use.,V-ing做主语置于句末，用_做形式主语,it,It is
6、no use saying such a thing.说这样的话没用,It is/was worth/worthwhile doing 做是值得的,It is worth/worthwhile.(这部是电影值得看的),seeing the movie,It is worth/worthwhile seeing the movie.(这部是电影不值得看的),hardly/not,It+is/was+a waste of time doing 做是浪费时间的,It is a waste of time.(玩电脑游戏),playing computer games,There is no doing
7、.无法,what will happen between them.(无法知道),There is no knowing,归纳:常用-ing形式作主语的句型有：It is/was no use doing 做是没用的It is/was worth/worthwhile doing 做是值得的It is/was hardly worth doing 做不值得It is/was a waste of time doing 做是浪费时间的There is no doing.无法,动名词在 _ 直接做主语 It 在句首做形式主语，而_ 在后面做真正的逻辑上主语 _,动名词做主语有三种形式：,句首,动名
8、词短语,There be+no+动名词,根据汉语提示,完成句子。1.(像这样谈话没有用。)is no use _.,talking like this,Exercises,2._(大声朗读)in the library is a bad habit.,Reading aloud,It,-What do you think made Mary so upset?-_ her new bicycle.A.As she lost B.Lost C.Losing D.Because of losing 完整答句：Losing her new bicycle made Mary very upset.(
9、注意，本题易误选D,because of 是一个介词词组，后面加的是名词，代词，动名词和what 引导的从句。）,II.V-ing as object,动词的ing形式作宾语,1.作 动词+介词 构成的短语的宾语,I can get tired of_(look)at pictures all the time.I am looking forward to _(see)you again.He will give up _ smoke.,seeing,looking,smoking,后面常接动词 ing 形式作宾语的常用短语有?,(1)喜欢,(2)花(时间、金钱)做(3)忙于做(4)梦想，梦
10、见(5)值得.(6)在有困难,作及物动词的宾语（1）有些动词后只能接动名词作宾语，常用的有：admit,avoid,enjoy,escape,finish,forgive,mind,suggest,imagine,advise,allow,appreciate（感激）,，consider(考虑),delay(拖延）,forbid（禁止）,keep,permit,practise,risk,等,常跟动词ing作宾语的动词歌诀:,consider,suggest/advise,look forward to,excuse,pardon admit,delay/put off,fancy avoid
11、,miss,keep/keep on,practise deny,finish,stop,enjoy/appreciate cant help,mind,allow/permit,escape forbid,risk,imagine,注：need,require,want作“需要”解时,后接动词-ing形式作宾语,可以用主动形式表示被动意义,相当于to be done。,The radio needs/requires/wants _（repair）.,repairing/to be repaired,【即时练习】,1.花需要被浇水了。,The flowers need/require/wan
12、t watering.,The flowers need/require/want to be watered.,=,2.房间需要被打扫了。,注意：有些动词或短语动词后 可接动名词又可接不定式，但意义不同。,I like to run now.（现在想跑）I like running.（一向喜欢）,mean doingmean to do,stop doingstop to do,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,contin
13、ue.remember,forget,try,mean,stop,regret,want,need,require,Group 1,Group 2,Lets have a competion,Exercise,比赛规则,该比赛分为男女生两组，为抢答模式，率先起立并回答正确者既可为自己队伍加分！,1._(collect)stamps is his hobby.集邮是他的业余爱好。2.It was a waste of time _(read)that book.读那本书是浪费时间。3.Is it worthwhile _(quarrel)with her?和她吵架值得吗？4.There was
14、no _(know)what he could do.他能做什么很难说。5.Would you mind_(open)the window?你介意打开窗户吗？,round one,Collecting,reading,quarrelling,knowing,opening,6.The girl practices _(play)violin every evening.那个姑娘每晚练习拉小提琴。7.Since then,he has devoted his life to _（find)ways to grow more and more rice.一直以来他都在致力于寻找生产更多水稻的发法。
15、8.I found it pleasant _(walk)along the river after supper.我发现饭后在河边散步是及其美妙的。9.We look forward to_(study)in university.我们盼望在大学里面学习。,playing,finding,walking,studying,Congratulations!,棒!,It is time for practicing!,Translate the following sentences into Chinese.1.Learning English is very interesting.学习英语
16、非常有趣。2.Smoking may cause cancer.吸烟会致癌。,Exercise,3.Can you imagine living alone on an island?你能想象单独生活在一个岛上么？4.I suggest bringing the meeting to an end.我建议结束会议。,5.He admitted taking the money.他承认钱是他拿的。6.It is worthwhile spending much money on education.在教育上多花钱是值得的。,关于动名词，你掌握了吗？,勤动脑，齐归纳,形式构成：v+ing意义及功能：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：动名词在句首直接做主语 It 在句首做形式主语，动名词短语在后面做真正的主语 There be+no+动名词,2.动名词做宾语动名词做宾语的六种情形：作及物动词宾语 it 作形式宾语，代替动名词作真正的宾语 作动词词组的宾语 介词的宾语既可接doing 又可接to do 的动词，但意义不同 常接动名词的动词或动词短语,Homework,Review what we have learned today.,
