Unit 5 Discovering Useful Structures 教案-高中英语人教版（2019）必修第三册

Book3Unit5DiscoveringUsefulStructures———教学目标及教学过程设计教学复案课题：Book3Unit5TheValueofMoney——Discoveringusefulstructures：Expressmodalityandtalkaboutfutureeventsinthepast课时数：2课时课型：新授课；复习课；专题课；习题课；其他教学目标：Studentscanknowaboutthedifferentfunctionsofmodalverbs,suchas:can/could,may/might,shall/should,must/haveto,dare,etc.Studentscantalkaboutfutureeventsinthepastusing“woulddo”and“was/weregoingtodo”.Studentscanformtheawarenessofusingmodalverbsproperly.教学重点：Studentscanknowaboutthedifferentfunctionsofmodalverbs,suchas:can/could,may/might,shall/should,must/haveto,dare,etc.tc教学难点：Studentscanformtheawarenessofusingmodalverbsproperly.教学辅助用具：Textbook;2.Multimedia;3.Blackboard,etc.板书设计：教学目标及教学过程设计教学复案主要教学过程：第1课时：ModalVerbs（情态助动词）Step1.Lead-in1.Greetings;2.SongAppreciation:ListentothesongIWannaToBeWithYouandpayattentiontomodalverbsinthelyrics:TherearethingsthatmustbedoneThatarenotyetbegunThingsthatImustdoWhenIwanttobewithyouAlthoughwe’refarapartYou’rewithmeinmyheartNooneelsewilldoIjustwanttobewithyouIwanttobewithyouCan’tyouhearme?IneedyounearmeIwanttobewithyouIneedyounearme,mylovearecalledmodalverbs.Theyareusedtoexpressability,obligation,possibility,intension,request,advice,etc.Step2.Reviewofmodalverbs一、情态动词的特征情态动词有一定的意义，表示或暗示某种情绪或态度，表示可能、建议、愿望、必要、允许、能力等。大多数情态动词有多个意义。2.情态动词没有人称和数的变化，即不随主语的不同而变化。3.情态动词不能独立使用，须后接动词原形，一起构成谓语动词。4.情态动词除ought和have外，后面接不带to的不定式。(dare)5.情态动词没有非谓语形式，即没有不定式、分词等形式。二、情态动词的分类1.只作情态动词的：can/could,may/might,oughtto,must2.可情态可实义的：need,dare3.可情态可助动词的:shall/should,will/would相当于情态动词的:haveto,usedtoStep3.ThefunctionsofthemodalverbsModalverbshavemanyfunctionsasfollows:A.necessityB.possibilityC.obligationD.requestE.adviceF.intentionTask1.Readthesentencesbelowandthinkabout:Whatarethefunctionsandmeaningsofthesemodalverbs?1.Mayweaskwhatyou'redoinginthiscountryandwhatyourplansare?2.Ican'tsaythatIhaveanyplans.3.Youmustn'tworryaboutthat.4.Couldyouoffermeworkhere?Task2.Findmodalverbsanddiscusstheirfunctions.Youhavetoreadbetweenthelinesbecausetherealmessagesareoftenhidden…(necessity表必要性)Itmayseemluckytoyou.(possibility表可能和推测)Astronautsmustwearspacesuitswhentheyworkinspacebecause…(obligation表义务性)Mayweaskwhatyou’redoinginthiscountry?(request表请求或指示)Youshould/oughtto/hadbettergotoclassrightaway.(advice表建议)6.Whatwouldyoudoifyouwereinhersituation?(intention表意图和愿望)Step3.Theusageofthemodalverbs1.can&could：能力，猜测，请求,许可2.may和might3.will和wouldVSusedto4.shall和shouldVSoughttoVShadbetter5.mustStep4.PracticeReadthepassageandfillintheblankswithsuitablemodalsverbsinthebox.【Answers】may2.should3.must4.can5.oughtto6.would7.wouldmight9.hadbetter10.might11.wouldStep5.Summary（Omitted）Step6.HomeworkReviewthefunctionsofthemodalverbs.【教学反思】第2课时：ThePastFutureTense(过去将来时）Step1.Lead-in1.Greetings;2.Review：Inviteseveralstudentstoreviewthefunctionsofthemodalverbs.Step2.PresentationDefinition:过去将来时表示从过去某一时间来看，将要发生的动作或存在的状态。过去将来时常用在主句谓语动词为过去时态的宾语从句中。过去将来时句子中有时包含时间状语thenextday、soon等。Analysis：1.）IaskedhimifPeterwouldarrivethenextday.（would/should+动词原形）2.）Shetoldmeshewasgoingtoposttheparcel.（was/weregoingto+动词原形）3.）Wewereabouttogotherewhenitbegintorain.（was/wereaboutto+动词原形）4.）Shedidn'tsaywhenshewascomingagainnexttime.（go,come,leave,start,meet等动词的过去进行时，表示就过去的某一时刻而言即将发生的动作。）5.）IfeltnervousbecauseIwassoontoleavehomeforthefirsttime.（was/weretodo;表示曾经计划做某事，并且从现在看已经实现。）6.）Weweretohavebeenmarriedlastyear.（当表示“原计划做某事但是最终未发生”，用was/weretohavedone.）Step3.PracticeBoth“woulddo”and“was/weregoingtodo”canbetalkaboutfutureeventsorintentionsinthepast.Completethefollowingsentencesthatdescribethefutureinthepast.1.PhilipboughttwoticketsforThePhadomoftheOpera.He____________________(watch)thismusicalwithhisgirlfriendontheweekend.2.IwassosurprisedatthenewsthatDavid__________(play)theroleofthedinosaurintheplaythatIgavehimahugoutofjoy.3.Lilydecidedthatshe_________________________(settle)inNewYorkandpursueherdreamofbecominganactress.4.Hey,Timmy.I_______________(call)you.Butnowthatyouarehere,Idon'thaveto.5.Thecompetitionwassoclosethatnoonewassurewho___________(win)theBestActoraw