學必求其心得，業必貴于專精學必求其心得，業必貴于專精學必求其心得，業必貴于專精Period5Grammarandusage(1)TheGeneralIdeaOfThisPeriodThegrammaritemsinthisunitdealwithmodalverbs.Studentsareexpectedtolearnaboutthegeneralmeaningsandfunctionsofmodal；verbs。Theywillalsolearnhowtouseseveralcommonmodalverbsproperly.TheyareimportantinEnglishcommunication.Fromwhatstudentshavelearned,theycangetaclearideaoftheusagesofmodelverbs.TeachingImportantPointsTheusageofmodalverbs.Themeaningsofeachmodalverbindifferentsentences.TeachingDifficultPointsUsemodalverbstoshowcertainty。Theperfecttenseformaftermodalverbs.TeachingMethodsPresentationDomoreexercisesandgivemoreexamples.TeachingAidsAmulti-mediacomputerandablackboardThreeDimensionalTeachingAimsKnowledgeandSkillsLetstudentsknowthemodelverbsandtheirusages.ProcessandStrategiesHowtograspthedifferencesamongthosemodelverbs。FeelingsandValueGrasptheusagesofmodelverbsandputthemintocommunicationcorrectly.TeachingProceduresStep1Revision1.Greetings2。Meaningguessinggamesbyputtingtwoormorewordstogether。Eg。hardware，bottom-up，son—in—law,upside—down，three-legged，wallnewspaperStep2Presentation1。T:Todaywe’regoingtodealwithanewgrammaritemanditsusage，thatismodalverbs。Modalverbsdonotexpressactionorstate,butexpressonlytheattitudeofthespeakertowardstheactionorstateexpressedbytheinfinitiveswhichalwaysfollowthem.Theycanbeusedtoexpressability，obligation，certainty,permission，makingrequests,makingsuggestions，makingoffersorgivingadvice。Theinfinitiveafterthemodalverbsmaybeintheformofbareinfinitives,continuousorperfectone。Eg:Icanspeakthreelanguages.(ability）Weshouldcleantheroomeveryday.(obligation)Itmusthaverainedlastnight.(certainty)MayIusethecomputer？（permission)Couldyoushowmeyournewcamera？(request）Shallwegooutforawalk?(suggestion）ShallIhelpyouwiththework？（offer）Oneshouldn’ttakeexercisejustafteragoodmeal。（advice）（Theteachercanreadthesesentencesandletthestudentsjudgewhattheyeachexpress.)2。NowI’dlikeyoutoreadtheguidelinesandthechecklistonPage29，andthencompletethearticleaccordingtowhatwelearnedabove。Afterafewminutes，theteachercanchecktheanswerswiththestudents.Suggestedanswers：（1）must(2）hasto（3)must（4)must(5）should(6)oughtto(7)could（8)may（9）couldT:Fromtheaboveexercise，wecanlearnthatoughtto/shouldareusedwhenreferringtosomethingrecommended,andhaveto/mustareusedwhenreferringtosomethingnecessary.3.Kindsofmodalverbs：T：Thechiefmodalverbsare:can/could，may/might,must/haveto/beableto/need,will,would，shall,should，oughtto,dare,usedto.Indifferentsituations,differentmodalverbsareused.Step3Multiplechoices1。Janny_______havekeptherword.Iwonderwhyshechangedhermind.A。must B。should C。need D。would2.It'snearlyseveno’clock。Jack_______behereatanymoment.A。must B.need C.should D。can3.Iwasreallyanxiousaboutyou。You_______homewithoutaword.A.mustn’tleave B.shouldn’thaveleftC.couldn’thaveleft D。needn’tleave4.Tom_______meyoursecret，buthemeantnoharmA。oughttohavetold B.oughtnottotellC.cannottell D.mustn'thavetold5.Ifyouplantocontrolyourlife,you_______winyourparentsoverandtrytogetthemtounderstandyou.A.hadbetter B.wouldbetter C。could D。need6.We_______keepourpromisewhenwegetalongwithothers。A。should B.would C.ought D。can7。Ifhestartedatten，he_______betherebytime.A。oughtto B。can C.will D。haveto8。“Excuseme，couldyoupleasetellmewherethesupermarketis?”“It’stwoblocksstraightahead。You_______missit.”A。can’t B。mustn’t C.needn’t D.don’t9.Jonny,you_______playwiththeknife。You_______hurtyourself。A.won't;can B。mustn't；may C。shouldn’t；must D。can’t;should10.Englishisalanguagethatmanypeoplearoundtheworld_______notspeakperfectlybut_______atleastunderstand。A.may；can B。would；might C.will；must D.could；mightSuggestedanswers:1～5BCBAA6~10AAABATheDesignofWritingontheBlackboardUnit2SportingeventsPeriod5Grammarandusage（1）Must musthavedoneWill willhavedoneWould wouldhavedoneoughtto oughttohavedoneshould shouldhavedonecan can’thavedonecould couldhavedonemay mayhavedonemight mighthavedoneActivitiesandResearchDomoreexerciseaboutmodelverbs.ReferenceforTeachingT