高中英语(Module 4 Sandstorms in Asia)课件3 外研版必修3 课件VIP免费

Module4SandstormsinAsiaModule4SandstormsinAsiaGrammarGrammarTheInfinitive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。形式主动形式被动形式一般式进行式完成式完成进行式tohavebeendoingtobedonetobedoingtohavedonetodotohavebeendone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).tohavebeenstandingtobelearningtohaveinventedwait2.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9It’sdifficulttobreatheandthedustmakesmeill.10Soifyouwanttogoout,you’dbetterwearamask.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.It’sdifficulttobreatheandthedustmakesmeill.练习：学好英语很重要。_________________________________=Itisveryimportant_________________________________TolearnEnglishwellisveryimportant.tolearnEnglishwell.2.宾语a.ScientistshavetriedmanywaystosolvethisproblemandinChina,amasscampaignhasbeenstartedtohelpsolveit.b.Thestormssometimescontinuealldayandtrafficmovesveryslowlybecausethethinkdustmakesitdifficulttosee.c.Soifyouwanttogoout,you’dbetterwearamask.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___________,butt...