八年级上册第三单元第一课时 .doc

人教版新目标英语 八年级上册unit 3 I am more outgoing than my sister 黄俊1、 TeachingGoals1、形容词及副词的比较级（ComparativeFormsofAdjectiveandAdverbs)A.SamhaslongerhairthanTom.B:PetersheavierthanPaul.C:PaulsshorterthanPeter.2、asas结构用来进行同级比较A:TomisastallasPaul.B:PeterrunsasfastasMike.3、使用形容词及副词的比较级对两者进行比较的疑问句及回答。A:ThatsTara,isntit?B:No,itisnt,ItsTina.TinaistallerthanTara.AndshealsosingsmoreloudlythanTara.二、Teachingandlearningsteps:Step1.TeachingAims：TellSstheyaregoingtolearnUnit3GrammarFocus3a-3c.Step2.Review1. Accordingtothepictures,writedowntheComparativeFormsofAdjectiveandAdverbs2. Usingthepicturesabove,letSsworkinpairs：LiYongisfunny.PanisfunnierthanLiYong.Andyissmart.MikeissmarterthanAnder.3.Roleplaythedialogue2donpage18infrontoftheclass.【设计意图】：通过单词复习及对话练习，检查学生对于上节课知识的巩固，了解把握学生。Step3.Grammarfocus1. Showtwocolumsofwords,andaskstudentstomatchtheseAdjectiveandAdvervbswiththeircomparativeforms.(利用PPT展示两栏词语，引导学生读出这些单词，将形容词及副词与其比较级相匹配。)2. Askstudentstofindoutthedifferencesbetweenthetwocolumwordsandtrytofindtherules.(找不同，找规律)3.Teacherscangivesomehelptothestudents(通过指出一些形容词及副词比较级的变化，帮助学生找到变化规律)TallHeavyLazyBigGood/wellMany/muchOutgoingDifficultEasilyBeautifullyMoreBiggerMoredifficultLazierTallerMoreoutgoingHeavierBetterMoreeasilyMorebeautifullyTall-taller(直接加-er)Big-bigger(双写最后一个辅音字母加-er)Heavy-heavier(变y为i加-er)Lazy-lazier(变y为i加-er)Outgoing-moreoutgoingDifficult-moredifficultEasily-moreealislyBeautifullymorebeautifully结论：形容词与副词的比较级的构成：（1）规则变化构成方法 原级 比较级一般加-er TallShortlong TallerShorterlonger以e结尾的词加-r nicelargelate NicerLargerlater以“辅音字母+y”结尾的词，改y为i，再加-er HeavyEasyhappy HeavierEasierhappier以重读闭音节结尾，双写辅音字母，再加-er ThinBigFathot ThinnerBiggerFatterhotter多音节形容词和部分双音节形容词构成比较级时，在前面加more OutgoingFriendlyloudly MoreoutgoingFriendlyloudly(2)不规则变化原级 比较级Good/well betterBad/badly/ill worseMany/muchmorelittlelessfar Fartherfurther完成下列句子：(1)他们的书比我们的多。Theyhave_us.(2)这个房间比那个房间小。Thisroom_thatone.3.Dividestudentsintotwogroups,andaskthemtoreadGrammarFocusseperately.Drawalineundertheadjective,andcircletheadverbsIsTomsmarterthanSam? No,heisnt.SamissmarterthanTom.IsTaramoreoutgoingthanTina? No,sheisnt.TinaismoreoutgoingthanTara.Areyouasfriendlyasyoursister? No,Imnot.Imfriendlier.DoesTaraworkashardasTina? Yes,shedoes.Whosmorehard-workingatschool? Tinathinkssheworksharderthanme.4.AskstudentstoreadGrammerFocusagain,andpayattentiontothesentencestructure“asas”5.翻译探究：TaraworksashardasTina._.“as+形容词或副词_+as”表示“_”，否定形式为“_”或“_”。译为“_”。如：(1) 我和你一样活泼。_(2) 他不如刘翔跑得快。_(3) 这本书不如那本书有趣。_(4) 他和你一样友好。_【设计意图】：学生合作学习观察并总结，目的是引导学生观察、发现、归纳和掌握语言规律，形成有效的学习策略。教师只进行点拨精讲。Step4.3aUsethewordatowritequestionsandanswers.1. Julie/tall/youQ:IsJulieastallasyouA:No,sheisnt.Shestallerthanme.2. Jack/run/fast/SamQ:_A:No,hedoesnt.Heruns_thanSam.3. yourcousinoutgoingyouQ:_4.Paul/funny/CarolQ:_A:No,heisnt.Hes_thanCarol.【设计意图】：通过实战练习，帮助学生进一步掌握“asas”句型的用法。Step5.3bThinkofyourselftwoyearsago.Writeabouthowyouaredifferrentnow.1. Areyoutaller?Yes,Iam.ImtallernowthanIwastwoyearsago.2. Areyoufunnier?_3. Areyoumoreoutgoing?_4. DoyoustudyEnglishharder?_5. Doyousingbetter?_【设计意图】：通过语境练习，对比现在的自己和两年前自己的区别，进一步帮助学生掌握形容词及副词比较级的用法。锻炼学生的实际运用能力。Step6.3cCompareyourparents.Check(right)whoissmarter,funnier,hechart.Thenaskyourpartnerabouthis/herparents.Motherfathersmart funny Workhard outgoing friendly 【设计意图】：通过对自己身边最熟悉的人物进行对比，进一步掌握比较级在现实生活的运用，培养学生的情感意识。Step7.Summary1.LeadtheSstohaveasummaryabouttheComparativeForm.ItincludesFuctionwhentousetheForm.2.ShowtheteacherssummaryonthescreeninordertohelptheSstochecktheirownsummary.Theend-of-classtest(一)写出下列形容词和副词的比较级：long_wide_fat_heavy_slow_few_brightly_Fast_far_quickly_happy_unhappy_(二)选择填空：1Hefeels_todaythanyesterday.A.tiredB.moretiredC.moretirederD.muchtired2.Whichdoyoulike_,coffee,teaormilk?A.theworstB.worseC.betterD.thebest3.Ofthetwotoys,thechildchose_.A.theexpensiveoneB.onemostexpensiveC.aleastexpensiveD.themostexpensiveofthem4.Thelineis_thanthatoneA.morelongerB.notlongerC.muchmorelongerD.manymorelonger5.Theearthis_themoon.A.as49timesbigasB.49timesasbiggerasC.49timesasbigasD.asbigas49times6.Thebookis_ofthetwo.A.thinnerB.thethinnerC.morethinnerD.thethinnest7.Shelooks_thanshedoes.A.themoreolderB.veryolderC.mucholderD.moreolder8.Thegardenisbecoming_.A.morebeautifulandmoreB.morebeautifulandbeautifulC.moreandmorebeautifulD.morebeautifulandbeautifuler9.Theycompeted（比赛）toseewhocouldwork_.A.thefastestandbestB.thefasterandthebetterC.fastestandbetterD.fasterandbetter10._hurry,_speed.A.More,lessB.Much,littleC.Themore,thelessD.Themuch,thelittleHomework1.Memorizethenewwordsandusefulexpressions.2.Compareyouandyourbestfriend,andfindoutthesimilarpointsanddifferencesbetweenyoutwo.课后反思：在本节课一开始，展示图片，让学生先复习了sectionA的重要词汇，为后面的对话练习打下好的基础，用图片展示课文中的形容词及副词，提高了学生学习的兴趣，为知识的掌握奠定基础。本课为语法课，重点讲解形容词及副词的比较级。在讲课过程中，重视学生的合作探究能力，引导学生观察、发现、归纳和掌握语言规律，形成有效的学习策略。最后，通过多层次练习，让学生掌握核心语法知识。亮点：用图片回顾重点词汇，形象直观，提高了学生学习的兴趣，与此同时，