人教版高中英语选择性必修第二册同步训练UNIT5 Section Ⅱ Learning About Language课件.ppt

2.形式主语it代替动词-ing形式做主语。此类句式常见的有:It’sawasteoftimedoingsth做某事是浪费时间。It’suseless/worthwhiledoingsth做某事没用/是值得的。It’snogood/use/fundoingsth做某事没好处/没用/没意思。Itisawasteoftimepersuadingsuchapersontojoinus.劝说这种人加入我们是浪费时间。3.动词-ing形式和todo做主语时的区别。动词-ing形式和todo都可以做主语。动词-ing形式做主语表示比较抽象的一般行为,todo做主语往往表示具体的或一次性的动作。Playingwithfireisdangerous.玩火危险。Singingismyhobby,andtosingatmyfriend’sbirthdaypartyismydream.唱歌是我的爱好,在朋友的生日宴会上唱歌是我的梦想。三、动词-ing形式做宾语1.做动词的宾语。接动词-ing形式做宾语的常用动词(短语)有:avoid,miss,delay/putoff,advise,finish,practise,enjoy,imagine,can’thelp,admit,deny,escape,risk,excuse,can’tstand,keep,mind等。Shecan’tstandbeinglookeddownuponinpublic.她忍受不了在公众场合被人看不起。2.做介词的宾语。在下面的短语中,常用动词-ing形式做介词的宾语:begoodat擅长;dreamof梦想;careabout在乎;beconcernedabout关心;beinterestedin对……感兴趣;feellike想要;insiston坚持;thinkof认为;aimat瞄准;setabout开始做;beusedto习惯于;getdownto开始做;leadto导致;devoteoneselfto献身于……;lookforwardto期待;stickto坚持;payattentionto注意;giveup放弃等。Idreamofsailingaroundtheworldandleadingahappylife.我梦想着环游世界,过上幸福的生活。Heinsistedondoingitinhisownway.他坚持要按照自己的方法做。I’mlookingforwardtoyourcomingnexttime.我期待着你下一次的到来。Becauseofthebadweather,theyhavetogiveupgoingoutforapicnictomorrow.因为天气不好,他们不得不放弃明天的外出野餐。3.在以下结构中,动词-ing形式做介词的宾语,介词常省略。spend...(in)doing花费……做某事havedifficulty/trouble(in)doing...做……有困难/麻烦stop/prevent...(from)doing阻止……做某事wastetime(in)doing浪费时间做某事bebusy(in)doing忙于做某事haveagood/hardtime(in)doing高兴做某事/费了很大劲做某事Thereisnopoint(in)doing做某事毫无意义Heisalwaysbusyworkingeveryday,whichhasmadehimhavelittletimetoplaywithhischild.他每天总是忙于工作,这使他很少有时间和孩子一起玩。Thereisnopointgivinghimsuchagoodchance.给他提供这样一个好机会没有意义。4.动词-ing形式做主语、宾语时的几个特殊情况(1)动词-ing形式的复合结构His/Tom’sbeinglatemadetheteacherveryangry.他的/汤姆的迟到使老师很生气。Wouldyoumindmy/meclosingthewindow?你介意我关上窗户吗?WouldyoumindMary’s/Maryclosingthewindow?你介意玛丽关上窗户吗?