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不定式、动名词用作主语动名词作主语1。直接作主语：（1）眼见为实。（2）天天做早操有益于健康。（3）吸烟不是好习惯。1.Seeingisbelieving.2.Doingmorningexerciseseverydayisgoodforhealth3.Smokingisnotagoodhabit2.用it作形式主语，常与nouse,nogood,useless,worthwhile连用（1）广说不做没用（2）做无益的后悔没用（3）吸烟太多无益（4）学好英语是值得做的1.It’snousetalkingtoomuchwithoutdoinganything2.It’suselesscryingoverthespiltmilk.3.It’snogoodsmokingtoomuch4.It’sworthwhilelearningEnglishwell.5不定式作主语1。直接作主语（1）眼见为实（2）今天早晨做早操对身体无益（3）在这里吸烟很危险1.Toseeistobelieve2.Todomorningexercisestodayisnotgoodforhealth.3.Tosmokehereisdangerous2。用it作形式主语，有自己特定的句型（1）你这么说真是太好了（2）他说出这样的话太愚蠢了（3）我们学好英语是必要的（4）你们学好英语语法并不难1.Itisverykindofyoutosayso.2.It’sveryfoolishofhimtosaysuchthings3.ItisnecessaryforustolearnEnglishwell4.It’snotdifficultforyoutolearnwellEnglishgrammar3.固定句型（1）李垒每天花两个半小时完成作业（2）你昨晚用多长时间写完的作文？1.IttakesLiLeitwoandahalfhourstocompletehishomework.2.Howlongdidittakeyoutofinishwritingyourcomposition?小结：动名词与不等式作主语时的区别一、对称原则二、特殊表达三、固定句型四、习惯用法主语和表语对称动名词表示经常性、反复发生的动作不等式表示具体的、某一次的动作IttakessbsometimetodosthIt’snouse/nogood/useless/worthwhile+doing…It’skind/wise/clever…ofsbtodosthIt’simportant/necessary/hard…forsbtodosthTask:completethefollowingsentences1.________________(没有用)learningwithoutpractice2.It’snogood________________________________（广说不做）3.It’snecessary_____________________________(我们学好英语）4.It’verykind____________________________（你帮助我）5.Howlong__________________________（你每天参加体育活动？）6.Becauseoftheheavysandstorm,________________(今天做晨练）isofnobenefittoyou.Multiplechoice1.Itisverygenerous_____youtobuymesuchanicegiftA.ofB.forC.toD.with2.Youareclever;itwillbeeasy____youtoworkoutthewordpuzzleA.ofB.forC.toD.with3.Ithinkitnogood_____withoutdoinganything.A,toplayaboutB,playaroundC.playingaboutD.playedaroundIt’snousetalkingtoomuchwithoutdoinganythingforustolearnEnglishwellofyoutohelpmedoesittakeyoutodosporteverydaytodomorningexercisestoday不定式、动名词作宾语一、句型转换Ithinkitnouse……doingsthIfeelitstupidofhimtosaysuchsillythingstoherIfindituneasyforyoutolearnyoursubjectswellwithouthardworkCanyoutellmehowmanyhoursittookyoutodoyourhomework?二、A下列动词只能带动名词作宾语：记住下面这句话，巧记共35个多动词MissRescallcanenjoyfiveapplesatduskMissRescall----miss,mind,risk,recall,resistCan----can’thelp,consider,can’tresist,complete,can’tstand(bear)Enjoy–enjoyescape,excuse,endureFive–finish,fancyfeellike,favorite(利于）imagine,include---advise,avoid,appreciate,admit,allow----practise,postpone,pardon,prevent,putoffdusk---delay,understand,suggest,keep(deny否认）D.下列动词只能带不定式作宾语：记住下面这句话，(2HD3A4P,worstfem各一)巧记近20个多动词afford,agree,attempt,decide,demand,expect,fail,help,hope,manage,offer,plan,pretend,prepare,promise,refuse,seem,tend,wishB以介词to结尾的常用短语be/getusedto,cometo,devoteoneselfto,listento,lookforwardtoobjectto/getdownto,prefer...to,payattentionto,refertosticktoC特殊句型1spend(waste)...(in)doing2bebusy(in)doing3havedifficulty(trouble,fun,pleasure,agood,hardtime)indoing4stop\prevent...(from)doing5Thereis\nouse\noharm\nohurry...(in)doingsth在forget,remember,regret,want,need,require,try,stop,goon,mean等动词后，可接不定式,也可接动名词做宾语，但含义差别。1forget,remember,regret+doing动作已经发生+todo动作未发生2want,need,require+doing表被动=tobedone注：beworthdoing=beworthytobedone3trydoing试着做trytodo尽力做，想要做4stopdoing停止做某事，(先后是一件事).stoptodo停下来做某事,(先后不是同一件事)5goondoing继续敌某事，(先后是同一件事)goontodo接下来做某事，(先后不是同一件事)6meandoing意味着做某事meantodo故意或想要做某事7can’thelpdoingsth抑制不住、禁不住做某事can’thelp(to)dosth无帮助、无助于做某事8,onlytodo…结果是…（出乎预料）,onlydoing…结果是…(必然是…)E.注意下列11种不同动词或句型的用法9prefertodo…ratherthando…宁愿…而不…preferdoing…todoing…wouldratherdo…thando…woulddo…ratherthando…10havenothingtodo/donothingbut/exceptdo…只好做（别无选择）enjoydoingnothingbutdoing…只喜欢做…wantnothingbuttodo…只想做…11在begin,start,continue等词后可接不定式作宾语，也可接动名词作宾语，意义区别不大.但要注意1）本身是-ing形式时，其后要接不定式2）如果表示主语有意识地开始做某事，多用动名词3）主语是物多用不定式4）其后的动词是表示情感的或与智力有关的，不用v-ing形式know,realize,hate,love,understand,wonder,remember,forgetTask:completethefollowingsentences1.Doyouremember___________________（以前见过这个人吗）?2.Hedenied_______________________（冤枉了他的父母）3.Sheregreted______________________(在会上给领导提了意见）.4.Don’twastetime___________________(劝他戒烟）5.Iwouldratherstayathome_______________(也不出去玩）6.Doyouthinkitnecessary_________________(我们学好英语）？7.Howlongdidittakeyou__________________(写完作文）？8.Hehasdonenothingbut__________________（玩了一整天）.9.Onhearingthenews,Tom_________________(抑制不住哭了）.10.LittleSophiawentthetheater,only_________(被告知演出结束了）seeingthemanbeforedoingwrongtotheirparentsputtingforwardthesuggestiontotheirleader…advisinghimtogiveupsmokingthangoouttoplayforustolearnEnglishwelltofinishedwritingyourcompositionplayalldaylongcouldn’thelpcryingtobetoldthattheperformancehadbeenoverMultiplechoice1.Wouldyoumind______thedoor?A.openB,openingC,toopenD,opened2.“Somuchforthenewwordsandexpressions;let’sgoon_______thetext.”theteachersaidwithasmile.A.totalkaboutB,talkingaboutC,tobetalkingD,talkabout3.I’msorry,butI’veforgotten________myhomeworkwithme.A,tobringB,tobebringC,bringingD,brought4.Thisroomneeds_______.It’stooshabby.A.paintB.paintingC.topainD.painted5.Haveyouconsidered______toimproveyourspokenEnglish?A.practisinglisteningandspeakingB.practisingtolistenandspeakC.topractiselisteni