Unit5ItmustbelongtoCarlaTeachingaims:EnabletheSstousethemodalverbs(must,might,couldandcan’t)tomakeinferences.GettheSstobeusedtodoingtheclozeandreadingtrainingduringalimitedperiodsoastomaximumtheirstudyefficiency.Teachingkeypoints:theusageofcanandcould;theusageofmayandmight;theusageofmustandneed.Teachingdifficultpoints:thenegativereplytosentenceincludingeithermustormay.Teachingprocedures:1)GreetingandListening(ListeningisdesignedasthefirststepbecausetheSscanpaymoreattentionwhentheyareclear-mindedduringthewholelisteningperiod.Attachedpls.findthelisteningmaterialabouttext52)RevisionRevisewhatwe’velearnedlastweekaboutthesentencesofunrealconditionthroughtranslationexercisesasfollows.1.如果我是你的话就会去参加会议。(IfIwereyou,Iwouldattendthemeeting.)2.如果他昨天来这儿的话就会看见他的老朋友。（Ifhehadcomehereyesterday,hewouldhaveseenhisoldpal.）3.如果明天下雨，你怎么办？（Whatwouldyoudoifitshouldraintomorrow.）4.如果我是老师的话我就会对学生严格。IfIwereateacher,Iwouldbestrictwithmystudents.5.如果明天下雪，他们就不会出去。Ifitshouldsnowtomorrow,theywouldn’tgoout.6.如果没有你们的帮助，我们就会陷入困境。（Ifitweren’tforyourhelp,wewouldgetintotrouble.）3)DictationIdictatethefollowingwordsembracing10wordsand5phrases.crucial关键的，重要的owner所有者interview面试，采访extremely极其，非常dishonest不诚实的mystery神秘的事物symphony交响乐director主管，主任lift举起，抬起，提升garbage垃圾组成，形成makeupbelongto属于与某人有约have/makeanappointmentwithsb.在…附近intheneighborhoodof对…忧虑be/feel/getanxiousaboutsth.4)GrammarpointsGettheSstoread3asinbothSectionAandSectionBindividuallyandcorrecttheirpronunciationifnecessary.AsktheSsiftheyhaveanyquestionsabouttheunit.Whoevercomesupwithaquestionwillbeencouragedandrewardedwithapieceofpapershield.ExplainthedifficultgrammarpointsfortheSs,whichisalsodesignedincasethatthereisnobodyraisingquestions.A.Explainthemeaningofmodalverbs.1.can表能力e.g.Canyouswim?Ican/can’tliftthatbox.表允许e.g.Youcangonow.表可能性(跟may意思相近)e.g.Canyougowithus?表推测（主要用于否定句和疑问句）e.g.Themancan’tbeTom.TomhasgonetoEngland.2.couldI是can的过去式，表示过去有能力及过去存在的可能。e.g.Hecouldn’tgothatday.那天他不能去。（可能性）Hecouldn’tanswerallthequestionswhenhewasapupil.不是所有的问题他都能回答。（能力）II表示委婉地提法（现在时）e.g.CouldIspeaktoMr.Zhang，please？（电话里）请找张先生接电话好吗？（3）表示吃惊。e.g.Hecouldn’tbeathief.他不可能是个小偷。Howcouldhebesosilly？他怎么会这么傻？3.MayI表示允许e.g.Youmaycomeherewheneveryoulike.你想什么时候来就什么时候来。表示客气或委婉的请求用May，回答是也用May就显得冷淡。所以最好改用热情的答语。e.g.——MayIsmokehere？我可以在这里吸烟吗？——Yes，please./Certainly.可以./当然可以。II表示不确定的推测e.g.Shemayberight.她可能是对的。4.mightI用在疑问句中，表示委婉、客气Mightyoumakesomeroomforme？您可以给我让点地方吗？II作为may的过去式，表不确定的推测e.g.Theythoughttheymightbethereontime.他们认为他们可以准时到达那里5.mustI表示必须e.g.youmustcomeearliernexttime.下次早点来。在回答由must引导的一般疑问句时，若表示肯定，用must。若表示否定，用needn’t或don’thaveto。因为mustn’t表示禁止、不许可。e.g.——Mustweallcometomorrow？明天我们必须全部来吗？——Yes，youmust./No，youneedn’t./No，youdon’thaveto.是的，必须全部来。/不，没必要。II表示很有把握的推测。e.g.MissGaomustbeintheoffice.高老师一定在办公室里。ThismustbeWangHai’sb...
