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必修4unit2TheV-ingFormastheSubjectandtheObject(-ing形式作主语或宾语),理解并掌握动词Ing形式作主语和宾语的用法。,本节课开头让学生完成预习案，并呈现V-ing形式作主语或宾语的谚语或句子，让他们明白动词V-ing形式作主语或宾语时，句法功能上具有名词的功能。并通过练习，让学生自我归纳V-ing形式作主语时，谓语的单复数如何变，重点区分forget,remember等动词后接V-ing短语作宾语和接不定式to用法的不同。课件中配备了大量的难度适当的练习，让学生马上学以致用，也能及时发现问题，解决问题，最终掌握对此语法的综合运用。,Ex1.Fillintheblank.1)学习新单词对我来说非常重要。__________________isveryimportantforme．2)说比做容易。___________iseasierthandoing.LearningnewwordsTalkingItisuselesstryingtoargue3)和夏洛克争辩是没有什么用的。_______________________________withShylock预习案:,4)_________(play)withfireisdangerous.Playing5)Thedoctoradvised______(stay)longerinhospital.staying6)Hedidn’tfeellike_____(work),sohesuggested_____(spend)thedayinthegarden.workingspending,7)Hisotherhobbiesinclude_________(swim)and_________(read).swimmingreading8)Dr.Yuansearchedforawaytoincreasericeharvestswithout_________(expand)theareaofthefields.expanding,Ex2.Comparethesentencesandwritedownthemeaningofthephrases.Iforgotmailingyourletter.Iforgottomailyourletter.Hetriedworkingouttheproblemanotherway.Hetriedtoopenthebackdoorwiththekey.,Thebatteriesinthattoyneedchanging.Youneedtotakemoreexercise.Theteacherwentontotalkabout–ingformafterashortbreak.Theheadteacherwentontalkingforonehour.,Ex3.Writedownthemeaninginchinese.forgetdoingforgettodomeandoingmeantodoneeddoingneedtodogoondoinggoontodotrydoingtrytodo,Haveyoueverseenthesesigns?parking,spitting,littering,smoking-ingforms,Whataboutthesesentences?1.Sayingiseasy.Doingisdifficult.2.Seeingisbelieving.3.Teachingislearning.4.Lyingisabadhabit.5.Doingmorningexerciseisimportant.6.LearningEnglishneedspractice.,AstheSubject作主语观察下列句子，对比并尝试找出变化规律。1.Wishingforthings,however,costsnoting.2.Sincethen,findingwaystogrowmorericehasbeenhislifegoal.3.Readingaloudisagoodwayinlearninglanguage.4.Gettingupearlyisagoodhabit.探究案：,5.Itisawasteoftimetalkingaboutthatwithher.6.Itisuselesslearningwithoutpractice.7.Itisnousecryingoverspiltmilk.,自我归纳：1.动词-ing形式作主语，通常位于句_____,谓语动词用________数形式。2.用____作形式____语,真正_____语（整个动词-ing形式短语）位于句_____。首单it主主末,固定搭配：1)It+is/was+awasteroftimedoingsth.做……浪费时间。E.g.Itisawasteoftimetalkingaboutthatwithher.2)It+is/was+uselessdoingsth.做…没用。E.g.Itisuselesslearningwithoutpractice.3)It+is/was+nousedoingsth.做…没用。E.g.Itisnousecryingoverspiltmilk.,AstheObject作宾语观察下列句子，对比并尝试找出变化规律。1.Haveyoufinishedcleaningtheclassroom?2.Heenjoyslisteningtoviolinmusicswimmingandreading.3.Asayoungman,hesawthegreatneedforincreasingthericeoutput.,自我归纳：动词-ing短语作动词的宾语，常见的词和词组有：avoid,miss,putoff,suggest/advise/recommend,finish,practise，enjoy,imagine,can’thelp,admit,deny,envy,escape,risk,excuse,bear,keep,mind等。2.动词-ing短语作介词的语，常见的短语有devote…to,getdownto,objectto,payattentionto,succeedin,stickto,setabout,thinkabout/of,leadto等。,记忆诀窍：接动词-ing作宾语的动词，记忆歌谣：避免错过少延期，建议完成多练习；Avoid,miss,puoff;suggest/advise/recommend,finish,practise喜欢想象禁不住，承认否定与妒忌；Enjoy,imagine,can’thelp,admit,deny,envy;逃避冒险莫原谅，忍受保持不介意Escape,risk,excuse;bear,keep,mind,Summary小结：动词-ing形式可以用作句子的主语和宾语：1.动词-ing形式作主语，通常位于句首,谓语动词用单数形式。我们也可用it作形式主语,真正主语——整个动词-ing形式短语）位于句末。2.动词-ing短语作动词的宾语，动词-ing短语也作介词的宾语。,按要求补全句子：Iforgot_________toher.(我忘了曾经给她写过信）Iforgot__________heraboutit.(我忘了要告诉。）Iremember________yousomewhereinbiejing.（see）Remember_______metonight.(call)Heregretted__________intheexam.(cheat)Iregret_______thatwecan’tstayhereanylonger(say)writingtotellseeingtocallcheatingtosay,动词-ing形式可以用作句子的主语和宾语：1.动词-ing形式作主语，通常位于句首,谓语动词用单数形式。我们也可用it作形式主语,真正主语——整个动词-ing形式短语）位于句末。2.动词-ing短语作动词的宾语，动词-ing短语也作介词的宾语。,Task1Completethesentenceswiththegivenwordsinproperforms.1.FancyMary_____(do)athinglikethat!2._____(take)physicalexerciseeverydayisprofitabletoourhealth.3.Thatisamatterofimportance,itwants______(handle)carefully.4. Hernot__________(comeback)madeusdisappointed.PractisedoingTakinghandlingcomingback,5.Hegotwell-preparedforthejobinterview,forhecouldn’trisk_______(lose)thegoodopportunity.6.MrSmithagree__________(help)uswithourscienceproject.7.Thekeytosolvetheproblemistomeetthedemand______(make)bythecustomers.8.Theparentssuggested________(sleep)inthehotelroombuttheirkidswereanxioustocampoutduringthetrip.losingtohelpmadesleeping,Task2Fillintheblankwithcorrectphrases.用正确的短语填空。1)_________________（与我争论）takesmuchofmylittlebrother’stime.2)____________________________(在阅览室大声朗读)isabadhabit.3)I’mlookingforwardto______________(有一个美好的假期).4).InsomepartsofLondon,__________（错过一辆公交车）meanswaitingforanotherhour.ArguingwithmeReadingaloudinthereading-roomhavingagoodholidaymissingabus,Groupwork:Imitatetheabovesentenceandwritedownyourownsentence.例句1：Usingcocaineincreasestheuser’sheartrateandbloodpressure.吸食可卡因会使使用者的心率提高，血压上升。（使用动词-ing形式作主语仿写）仿写1：___________________________仿写2：_____________________________,例句2：Itisawasteoftimetalkingaboutthatwithher.跟她讨论那件事很浪费时间。（使用it作形式主语，动词-ing形式作真正主语仿写）仿写1：______________________________仿写2：______________________________,1.Finishofftheexercisesinthepaper.2.RecitethewordsinUnit2.3.Prepareforthenextpassage
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