UNIT4第三课时GrammarFocus(3a～3c)教案人教版英语八年级上册

第三课时GrammarFocus(3a～3c)教学内容1．Talkaboutsuperlativeswith－(i)est，most.2．Usesuperlativestodescribemorethantwoobjects.教学目标LanguageAbilities●Graspthefollowingimportantpointsaswellasbeabletoreadandwritecorrectly.●Keywordsandphrases：ginkgotree，butterfly，heaviest，plant，themostusefulplant，rose，peony●Keysentences：①ThebiggestlandanimalintheworldistheAfricanelephant.②Thecheetahrunsthefastestamongalllandanimals.③Thebluewhaleisthelargestandheaviestanimalintheworld.④Whichdoyouthinkisthemostbeautiful，therose，thepeony，orthelotusflower？LearningAbilities●Learntomastertheformationrulesofthesuperlativesofadjectivesandadverbs.●Learntoselectappropriatesuperlativeformsaccordingtothecharacteristicsofdifferentobjectsforaccurateexpression.ThinkingQualities●Beabletopareandanalyzethecharacteristicsoftheseobjectsandfindoutthemostprominentfeatures，whenusingsuperlativestodescribemultipleobjects.●Beabletothinkabouthowtousethemostappropriatewordsandsentencestoconveyaccurateinformation，avoidingambiguity.CulturalAwareness●Usesuperlativestodescribethecharacteristicthingsintheirowncultureandspreadtheirownculturetopeoplefromotherculturalbackgrounds.●Understandhowpeopleindifferentculturesusesuperlativestoexpressemotionsandattitudessuchaspraiseandemphasis.重难点重点：1．Studentsareabletomasterthebasicformationrulesandusagesofthesuperlativeforms.2．Studentsareabletounderstandthepronunciationrulesofthechangedformsofadjectivesinthesuperlativedegreeandpronouncethemcorrectly.3．Studentsareabletoaccumulatealargenumberofadjectivesandadverbsthatcanbeusedinsuperlativedescriptions，soastoaccuratelydescribethecharacteristicsofdifferentobjects.难点：1．Studentsareabletomemorizethesespecialformsseparately，andespeciallythesuperlativeformsofsomeadjectivesareirregular.2．Studentsareabletoaccuratelydeterminewhethertousethesuperlativedegreeandwhichformofthesuperlativedegreetouse.教学过程Step1Review&Lead－inhobbies.Instructodoasimplequestionnaireingroups，discussingaboutcertainaspects，suchasageortheintensityoftheirhobbies.Instructthemtousesuperlativeformstorecordtheresults.2．Askstudentstoreporttheirfindingsinclasstointroducethelearningofparativeandsuperlativeadjectives.ASurveyWhoistheoldest？Whoisthetallest？Whostudiesthehardestamongallsubjects？Wholikessportsthemost？Wholikesreadingthemost？Whospendstheleasttimeonhomework？WholikesEnglishthemost？【设计意图】通过问卷调查导入新课，为接下来的语法学习做铺垫，同时学生能够复习已学的知识。Step2Grammar(3a)Workon3abold.Thinkentstoreadthesentencesandnoticethesuperlativesinbold.Thinkaboutthequestion：whatarethewaystoformasuperlativeadjectiveoranadverb?2．Askstudentstoobservethewordsinboldandfindoutthechangeformsofthesuperlativedegreeofadjectivesthroughthesewordsandwhentousesuperlatives(groupwork)．3．Theteacheroffersmorelanguageusageswhicharenotmentionedinthebook.blackboard.Ifssharetheanswers，theteacherwriteskeypointsontheblackboard.Ifnecessary，correcttheirmistakesatthesametime.)【设计意图】通过小组合作观察和总结语言现象，激发学生的自主学习能力。Step3Practice(3b～3c)Workon3b1．Showstudentspicturesaboutthepanda，therose，thepeony，thelotusflower，thebutterfly，thetreefrogandtheelephantbird，andaskthemtosharetheinformationabouttheseanimalsorplants.2．Theteachersuppliesmoreinformationabouttheseanimalsorplants.3．Askstudentstopletethesentenceswiththesuperlativeformsofthewordsinbrackets.Workon3c1．Theteachershowstwovideosabouttheintroductionofginkgotreesandasksstudentssomefactsabouttheplantaccordingtothevideos.trees.Watchtwovideosaboutginkgotrees.Watchthevideosandtellmewhatyoulearnfromthem.2．Askstudentstopletethepassagewiththesuperlativeformsofthewordsinthebox.trees.Letesomefactsaboutginkgotrees.Let'sreadthemandfillintheblankswithcorrectformsofthewords.3．Askstudentstosharetheanswersandhelptocorrectthepronunciationsofsuperlativewords.【设计意图】通过做练习和对话，学生能够在真实的情境中充分理解和掌握目标语法。Step4Speaking1．Theteacherwritesthenotesinadvance(includingsomefactsaboutacertainanimaloraplant)，andputsthemintoacartonoranenvelope.degree.Eachdialogue.Fordrawananimaloraplant，introducefactsaboutthem，andwriteanawardspeechfortheanimalorplantusingthesuperlativedegree.Eachgroupsendsarepresentativetopresentintheformofadialogue.Forexample，Astatescharacteristic1，andBstatescharacteristic2.3．Theteachermentsontheaccuracyandcreativityofthesentencesandsummarizestheparisonskills.【设计意图】通过对目标语言进行口头训练，学生能够培养并提升自己的语言交际能力。Step5SummaryAskstudentstodoexercisesaboutsuperlativeformsofadjectivesoradverbs.Step6Homework1．Dotheexercisesinstudents'workbooks.2．Extended：Chooseyourfavouriteanimalorplantandwrite3to5sentencesusingsuperlatives.

板书设计Unit4AmazingPlantsandAnimals第三课时GrammarFocus(3a～3c)规则变化构成方式原级比较级最高级单音节词和少数多音节词一般在词尾加er或estcoldcoldercoldestfastfaster