虚拟语气教案

一、教案背景1，面向学生：中学2，学科：英语2，课时：2此为第一课时内容3，学生课前准备：一、找出Reading部分出现的虚拟语气的句子二、预习虚拟语气的讲解三、预习后，做课本的巩固练习教学课题译林版牛津高中英语Module6Unit3GrammarandusageUnrealconditionals二、教材分析在这之前的学习中学生曾多次接触过虚拟语气的虚拟条件句。本课主要是让学生学习何时使用虚拟条件句以及怎样正确的使用虚拟条件句来表达。学生要在课堂上完成书上的配套练习以及课后的巩固练习。在本课学生将要学习虚拟条件句用来表达一种非真实的条件或情况，或是一种设想。学生要掌握虚拟条件句的句式以及不同的时态。教学目标教学方面：1、知道什么是虚拟语气，什么时候使用虚拟语气2、熟知虚拟语气的句子结构3、知道虚拟语气的倒装形式。4、能熟练使用虚拟语气的条件句造句。能力方面：培养学生的想象能力、思维能力。情感方面：1、激发学生对英语的热爱。教学重点1.虚拟条件句的句式IfclausesMainsentencesPresentIf…was/were/did…,…would/should/could/mightdo…PastIf…hadbeen/done..,…would/should/could/mighthavedone…futureIf…was/were/did…,If…weretodo…,If…shoulddo…,…would/should/could/mightdo…2.省略形式的倒装教学难点1.这种假设的思维方式2.正确选择虚拟条件句的句式三、教学方法本课采用直观教学法，互动学习法。在呈现中充分利用多媒体，运用任务型教学，自然导入，层层递进，让学生充分掌握知识。讲解中围绕虚拟条件句的句式展开，重点突出。四、教学过程I导入1.Teacherandstudentsgreeteachother.2.课件展示如下一个对话，让学生表演并分析对话的含义。A----Whywereyouabsentfromschoolyesterday?B----BecauseIwasill.IfIhadnotbeenillyesterday,Iwouldnothavebeenabsent.A----Willyoujoinusplayingbasketballnow?B----Sorry,Ican’t.Iambusystudyingnow.IfIweren’tbusynow,Iwouldjoinyou.A----Whatabouttomorrow?B----IhopeIcan.IfIweretobefreetomorrow,Iwouldjoinyouplayingbasketball.设计意图：以对话的形式展示，有助于学生理解。而且让学生表演可以调动学生的积极性。II.呈现新的知识1.教师总结这就是虚拟语气中的虚拟条件句，并介绍何时使用。在表示假设的、与事实相反的或难以实现的情况时用虚拟语气。表示主观愿望或某种强烈情感时，也用虚拟语气。即当一个人说话时欲强调其所说的话是基于自己的主观想法，愿望，假想，猜测，怀疑或建议，而不是根据客观实际，就用虚拟语气。展示下面的句子Ifyouwereathomenow,youwouldhelpyourparents.IfyouhadbeeninKoreawithmelastyear,youwouldhaveattendedaweddingceremony.问学生下面的问题：Wasitpossiblefor‘you’tobeathomenow?(No,itisn’t.)Wasitpossiblefor‘you’tobeinKorealastyear?Sothesethingsareunreal.Whenwetalkaboutsomeconditionorsituationthatisnotrealorjustimaginary,weusespecialverbforms.Thesearecalledunrealconditionals.让学生做下面的练习1.Iflifehadnotbeensohardformeasachild,Iwouldnothavestartedworkingatsuchayoungage.2.IfIhadhadthechancetogotocollege,Iwouldhavestudiedreallyhard.3.Tokeepfit,Idot’aichieverymorningintheparkbymyhouse.4.IfIwereyounglikeyou,Iwouldfindtimetoexercise.5.Youcangorunningifyouwanttodoasportthatcostsalmostnothing.6.IfIweretaller,Iwouldbebetteratbasketball.7.Ifyoulikefootball,Icanrecommendagoodcoachforyou.8.EvenifIamverybusy,Istillfindtimetoexercise.9.Ifyouspentmoretimeexercising,youwouldhavealotmoreenergy.10.IamgoingswimmingofFriday.Ifyouwanttojoinme,justcallmebefore3p.m.设计意图：让学生明白什么是虚拟条件句，并能够区分虚拟条件句和真实条件句。2.呈现让学生看一下书上的前三点，让学生逐条阅读，并分析每一句的时态。I)Havestudentsreadthefirstthreepointsonpage40.Whilereading,studentsshouldfindoutinwhatcasestheunrealconditionalsareused.Havethempayattentiontothetensesusedintheexamplesunderthethreepoints.1.Weuseunrealconditionalstostateanimaginarypresentcondition.Youprobablywouldn’tgetmuchsleepifyoulivednearwhereaweddingreceptionwasbeingheld.IcouldreachthebookifIwereabittaller.IfIhadthechance,Imightwanttobeabusinessconsultant.2.Wealsouseunrealconditionalstorefertoanimaginarypastaction.Ifyouhadjoinedthechatroomtenminutesago,youwouldhaveknownwhatweweretalkingabout!IfthemanhadpointedwithhisfirstfingerwhenhewasinBrunei,everyonewouldhavethoughtthathewasveryrude.3.Weuseunrealfutureconditionalstotalkaboutanimaginaryfuturesituation.IfIhadtimetomorrow,Iwouldcertainlyhelpyou.设计意图：由学生自己来分析，有助于学生理解和记忆。II)1.让学生自己列出每个时态的格式，与书上第四点所列的格式对比。IfclausesMainsentencesPresentIf…was/were/did…,…would/should/could/mightdo…PastIf…hadbeen/done..,…would/should/could/mighthavedone…futureIf…was/were/did…,…would/should/could/mightdo…2.让学生做更多的句子，练习句子格式。3.让学生反复背诵句式，并互相检查。4.让学生观察所有句式的相同点，句式中都含有would/could/might，分析它们的区别。并给出例句。Would,couldandmightareofteninterchangeable,butwithsomedifferenceinmeaning.would→intention;plancould→ability;possibilitymight→possibilityIfIwerefreenow,Icouldhelpyou.ThismeansifIamnotbusy,Iamabletohelpyou.IfIwerefreenow,Iwouldhelpyou.ThismeansifIamnotbusy,Iamgoingtohelpyou.IfIwerefreenow,Icouldhelpyou.ThismeansifIamnotbusy,Imaybehelpyou.设计意图：由学生亲自做，更有利于学生的理解和记忆。以句式为中心，可以让学生清楚这节课的重点。练习Ifhe_____myadvice,hewouldn’thavelosthisjob.A.followedB.shouldfollowC.hadfollowedD.wouldfollowc做课本P40的练习设计意图：及时巩固。课本的练习是一个对话，能够给学生提供一个很好地语言环境，可以很好的帮助学生理解和巩固。III)关于虚拟语气的细节。1.关注句式，让学生注意系动词be.IfclausesMainsentencesPresentIf…was/were/did…,…would/should/could/mightdo…PastIf…hadbeen/done..,…would/should/could/mighthavedone…futureIf…was/were/did…,…would/should/could/mightdo…解释原因：InwrittenEnglishorinformalsituations,weusuallyusewereinifclausesinplaceofwas.However,ineverydayconversation,wasisoftenused.1)Ifhewas/werehere,hemightbeabletohelpus.2．观察句式有什么特别A这里边哪两个句式是相似的？B如何判断虚拟的时间呢？如果不容易判断，有没有更好的方式Doweusethesamesentencestructurewhenweuseunrealconditionals?Weusethesameform;Dowealwaysusethesameform?Whatotherforms?Whatarethey?Havestudentsreadthefollowingsentences:IfIweretofailmyMathstest,Iwouldhavetotakeitagainattheendoftheterm.Ifheshouldcometomorrow,Icouldtalktohimaboutit.(让学生补充虚拟条件句的句式)futureIf…was/were/did/weretodo/shoulddo…,…would/should/could/mightdoThisprinterisofgoodquality.Ifit____breakdownwithinthefirstyear,wewouldrepairitatourexpense.A.wouldB.shouldC.couldD.mightB设计意图：引发学生的思考，并添加虚拟条件句的句式3)让学生思考下面的问题。Ifweomitif,howdowedealwiththesentence?让学生看下面的句子Shouldyoumakeamistake,you