高中英语《Module 4 Sandstorms in Asia》课件3 外研版必修3.ppt

Module4SandstormsinAsiaGrammar,TheInfinitive,学习目标：学习和掌握本模块语法-动词不定式的用法；完成有关练习；学习重点：掌握不定式的句法功能，并能加以运用。学习难点：不定式作主语，状语学法指导：通过观察文章出现的不定式，独立思考，组内讨论、对比，总结归纳重点用法,【学情调查、情景导入】,1.不定式的时态和语态。,tobedone,tobedoing,tohavedone,todo,tohavebeendone,2.他似乎在外面站了一个多小时了。Heseems_outsideformoreanhour.3.据说小明正在学开车。XiaoMingissaid_todrivethesedays.4.人们普遍认为是贝尔发明了电话。PeoplegenerallyconsiderBell_thetelephone.6.Wehadnothingtodobut_(wait).,tohavebeenstanding,tobelearning,tohaveinvented,wait,2.作业一,3.不定式在句中所作成分。,【问题展示、合作探究】,观察下列课文中出现的句子，说出不定式所作成分。1ScientistshavetriedmanywaystosolvethisproblemandinChina,amasscampaignhasbeenstartedtohelpsolveit.2Theyareoftensothickthatyoucannotseethesun,andthewindissometimesstrongenoughtomovesanddunes.3Tohavebeencaughtinasandstormwasaterribleexperience.4Therewasnothingtobedone.,目的状语,宾语,结果状语,主语,定语,5SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultof“desertification”.6Thestormssometimescontinuealldayandtrafficmovesveryslowlybecausethethinkdustmakesitdifficulttosee.7.Whenasandstormarrivesinthecity,weatherexpertsadvisepeoplenottogoout.8Tobecyclinginasandstormisfrightening.,表语,宾语,宾补,主语,9Itsdifficulttobreatheandthedustmakesmeill.10Soifyouwanttogoout,youdbetterwearamask.11Topreventitcomingnearer,thegovernmentisplantingtrees.12Alreadythegovernmenthasplantedmorethan30billiontreesandplanstocontinueplantingforthenextfiveyears.,主语,宾语,目的状语,宾语,总结：不定式在句中所作成分,1.主语a.Tohavebeencaughtinasandstormwasaterribleexperience.b.Tobecyclinginasandstormisfrightening.c.Itsdifficulttobreatheandthedustmakesmeill.,练习：学好英语很重要。_=Itisveryimportant_,TolearnEnglishwellisveryimportant.,tolearnEnglishwell.,2.宾语a.ScientistshavetriedmanywaystosolvethisproblemandinChina,amasscampaignhasbeenstartedtohelpsolveit.b.Thestormssometimescontinuealldayandtrafficmovesveryslowlybecausethethinkdustmakesitdifficulttosee.c.Soifyouwanttogoout,youdbetterwearamask.d.Alreadythegovernmenthasplantedmorethan30billiontreesandplanstocontinueplantingforthenextfiveyears.,练习：Weplanned_(give)aconcertnextmonth.提示：后常跟不定式作宾语的动词：plan,manage,want,refuse,decide,offer,fail,agree,etc.,togive,3.表语SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultof“desertification”.练习：她的工作是照看这些孩子。Herjobis_.,tolookafterthesechildren,4.宾语补足语Whenasandstormarrivesinthecity,weatherexpertsadvisepeoplenottogoout.练习：老师要同学们按时上交作业。Theteacheraskedthestudents_ontime.,tohandintheirhomework,提示：感官动词feel,hear,see,watch,notice;使役动词have,make,let后常用省略to的不定式作宾语补足语。我刚刚看到凯特进了教室。_凯特刚刚被看到进了教室。_汤姆经常使他妹妹哭，但这次被他妹妹弄哭了。Tomoftenmakeshissister_,butthistimeheismade_byher.,IsawKateentertheclassroomjustnow.,Katewasseentoentertheclassroomjustnow.,cry,tocry,5.定语Therewasnothingtobedone.练习：Themeeting_（hold）tomorrowisveryimportant.明天要举行的会议很重要。,tobeheld,6.状语ScientistshavetriedmanywaystosolvethisproblemandinChina,amasscampaignhasbeenstartedtohelpsolveit.Theyareoftensothickthatyoucannotseethesun,andthewindissometimesstrongenoughtomovesanddunes.Topreventitcomingnearer,thegovernmentisplantingtrees.,练习：表目的为了赶上火车，杰克今天早上很早就起床了。_,Jackgotupveryearlythismorning.为了起强调作用，常用Inorderto,soasto结构，其中soasto不能用于句首。,Tocatchthetrain,表结果，常与only连用，构成onlytodo结构，表示出乎意料的结果。他去看望他的叔叔，结果被告知他已经搬走了。Hewenttovisithisuncleonly_thathehadmovedaway.我们匆匆赶到机场，结果发现飞机已经起飞了。Wehurriedtotheairport,_theplanehadtakenoff.,tobetold,onlytofind,【达标检测、归纳总结】,用下列不定式的适当形式完成下列短文。togotocollege,inordertosucceed,toshare,tomakealiving,tomake,toaccepthisideasTherewasatimeinancientChinawhentherewereagreatmanygreatphilosophers（哲学家），oneofwhomwasSuQin.Atthattime,itwashardforthephilosophers_._,SuQinstudiedveryhard.Finallyhemanagedsixstates（国家）_andthusgotveryfamous.Fromthiswecansee,ifyouraimis_,youshouldlearnfromSuQin.Doyouhaveanythingelse_aboutSuQin?Ifany,tellusnexttime.,tomakealiving,Inordertosucceed,toma