您好,欢迎访问三七文档
情态动词(ModalVerbs)共6课时Period1StudyingAims:1.knowmoreabouttheModalVerbs.2.Createthestudent’sinterestsofEnglish.3.Mastertheusageabout“can.may.must.need.hadbetter”andsoon.StudyingImportantandDifficultPoints:Mastertheusageabout“can.may.must.need.hadbetter”Checklistbeforeclass:Definition:____________________________________StudyingProcedure:Step1.Lead--in1.教师提问:情态动词都有哪些?2.师生之间相互问候,引出情态动词。Step2:Presentation一.情态动词有can(could),may(might),must,haveto,shall(should,will(would),dare(dared),need(needed),oughtto等。情态动词无人称和数的变化;不能单独使用,必须与其后的动词原形构成谓语。二.情态动词的用法1.can用法1)表示能力,与beableto同义,但can只用于现在时和过去时,beableto可用于各种时态。Twoeyescanseemorethanone.注:Canyou…?Yes,Ican/No,Ican’t.I’llnotbeabletocomethisafternoon.当表示“经过努力才得以做成功某事”时应用beableto,不能用Can。如:Hewasabletogotothepartyyesterdayeveninginspiteoftheheavyrain.2).表示允许、请求用could比can语气更加委婉客气,常用于couldI/you…..?句型中,若表示同意时,用can回答而不用could.CouldIborrowthebook?No,youcan’t.-----CanIgonow?-----Yes,youcan./No,youcan’t.此时可与may互换。在疑问句中还可用could,might代替,不是过去式,只是语气更委婉,不能用于肯定句和答语中。----CouldIcometoseeyoutomorrow?----Yes,youcan.(No,I’mafraidnot.)3).表示推测“可能”(惊讶、怀疑、不相信的态度),常用于否定句.疑问句和感叹句中。(can’t表示一定不是)Canthisbetrue?Thiscan’tbedonebyhim.Howcanthisbetrue?Itcan’tbetrue.Canitbetrue?4)表示客观可能性(客观原因形成的能力)。They’vechangedthetimetable,sowecangobybusinstead.Thishallcanhold500peopleatleast.2.may用法1)表允许,请求=can表示许可或征求对方的许可,常于第一人称连用。注:MayI….?Yes,youmay.No,youcan’t/mustn’t.用MayI...?征徇对方许可时比较正式和客气,而用CanI...?在口语中更常见。在回答以may引起的问句时,多避免用这个词,而用其它方式,如Yes,please./Certainly.might比may语气更委婉,而不是过去式。否定回答时可用can’t或mustn’t,表示“不可以,禁止”。----Might/MayIsmokeinthisroom?----No,youmustn’t.----May/MightItakethisbookoutoftheroom?----Yes,youcan.(No,youcan’t/mustn’t.)2)表推测,可能、也许。常用于肯定句中。might不是过去式,它所表示的可能性比may小。1.Hemay/mightbeverybusynow.Maybeheknowsthenews.=He__________thenews.3)用于祈使句,表示祝愿。Mayyousucceed!Step3:DoExercisesStep4:SummaryStep5:HomeworkDoyourexercises.Step6:Self--reflection教学反思:Period2StudyingAims:1.knowmoreabouttheModalVerbs.2.Createthestudent’sinterestsofEnglish.3.Mastertheusageabout“can.may.must.need.hadbetter”andsoon.StudyingImportantandDifficultPoints:Mastertheusageabout“can.may.must.need.hadbetter”Checklistbeforeclass:Definition:____________________________________StudyingProcedure:Step1.Lead--inStep2:Presentation3.must1)表示义务。意为“必须”(主观意志)。Wemustdoeverythingstepbystep.注:MustI….?Yes,youmust/No,youneedn’t(don’thaveto).--Mustwehandinourexercise—booksnow?--No,youneedn’t./No,youdon’thaveto.2)mustn’t表禁止、不允许。Youmustn’ttalktoherlikethat.3)表示揣测。意为“想必、准是、一定”等,只用于肯定句。否定、疑问句中must改为can.Hemustbeill.Helookssopale.She’swearingadiamondnecklace.Shemusthavealotofmoney.注:must表推测时,其反义疑问句与must后面的动词一致。Theremustbesomethingwrong,________?4.need的用法need既可用作情态动词,也可用作实义动词。用作情态动词时,主要否定句或疑问句中。用作实义动词时,可用于各种句式。1).用作情态动词,用于否定句和疑问句中。a).NeedI….?Yes,youmust/No,youneedn’t.Needwefinishtheworktoday?Yesyou__?A.needB.canC.mayD.mustb).need+dosth.变否定句:needn’tdosth变疑问句:Needsbdosth?2).用作实义动词a).need+todosth.Weneed_______(buy)someschoolthings.变否定句:don’t/doesn’t/didn’t+needtodosth.变疑问句:Do/Does/Didsb+needtosth?Yes,…do/does/didNo,sbdon’t/doesn’t/didn’t.Youdon’tneedtodoityourself.b).当主语是物时。Sth+need+doingsth=Sth+needtobedone.Thetableneedspainting.=Thetableneeds_______________.5.hadbetter的用法1).hadbetter+动词原形=It’sbesttodosth.Youhadbetter______(stay)athome.=_________________stayathome.2).Hadbetternot+动词原形Wehadbetter________(notplay)thecomputergames.6.must,haveto1)表示必须、必要。Youmustcomeintime.在回答引出的问句时,如果是否定的,不能用mustn’t(禁止,不准),而用needn’t,don’thaveto(不必).----Mustwehandinourexercisebookstoday?----Yes,youmust.----No,youdon’thaveto/youneedn’t.2)must是说话人的主观看法,即说话人认为必须干某事。而haveto“必须,不得不”,则强调客观需要,即外界因素迫使某人不得不干某事。(外界原因)。Must只有一般现在时,haveto有更多的时态形式。1.heplayisn’tinteresting,Ireallymustgonow.一.2.Ican’tstopplayingthecomputergames.Foryourhealth,I’mafraidyou______.A.canB.mayC.mustD.hadtoStep3:DoExercisesStep4:SummaryStep5:HomeworkDoyourexercises.Step6:Self--reflection教学反思:Period3StudyingAims:1.knowmoreabouttheModalVerbs.2.Createthestudent’sinterestsofEnglish.3.Mastertheusageabout“can.may.must.need.hadbetter”andsoon.StudyingImportantandDifficultPoints:Mastertheusageabout“shall,will,would”Checklistbeforeclass:Definition:____________________________________StudyingProcedure:Step1.Lead--inStep2:PresentationUsage:shall1)用于第一人称征求对方的意见,如:WhatshallIwearonthejourney?我路上穿什么好呢?Shallwedance?我们跳舞好吗?2)shall用于第二、三人称时表允诺,警告,命令,威胁(现已少见),如:Sheshallgethershare.她可以得到她的一份。Youshallhaveitbacktomorrow.你明天可以将它拿回。should一般不应被认为是情态动词shall的过去式,主要用法有:1)用于第一人称疑问句中询问对方的意愿,但语气较委婉温和,如:Whatshouldwedonow?我们现在该怎么办?2)表示应该、必须,常与must换用。例如Weshould(must)masteraforeignlanguageatleast.我们应当至少掌握一门外语。3)“should+be+表语”的结构,表示推测或惊奇。例如:Theyshouldbebackbynow.他们现在应该回来了吧。Iamsorrythatsheshouldbesocareless.我感到遗憾她竟会那样粗心。4)“should+have+过去分词”的结构,表示过去该做而实际上尚未做的动作或行为;其否定则表示发生了不应该发生的行为。其同义结构“oughttohave+过去分词”,表示过去“早应该”、“本当”之意,语气较强。例如:Ishouldhavethoughtofthat.这一点我是应当想到的。(但没想到)Theyshouldnothaveleftsosoon.他们不应当走得这么早。(但已走了)5)在“Itisnatural(strange,natural,necessary,surprised,impossible,important)that……”句型中,主语从句中的谓语动词要用should+动词原形”表示“理所当然”、“奇怪”、“必要”、“惊异”等的意思。在lest(以免)、forfear(that
本文标题:情态动词的教案
链接地址:https://www.777doc.com/doc-8531480 .html