英语人教版八年级上册比较级的讲解

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1、Unit3I'mmoreoutgoingthanmysister实验中学陈爱玲一、Teachingaims1、形容词及副词的比较级（ComparativeFormsofAdjectiveandAdverbs)A.SamhaslongerhairthanTom.B:Peter’sheavierthanPaul.C:Paul’sshorterthanPeter.2、as…as…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

2、行比较的疑问句及回答。A:That’sTara,isn’tit?B:No,itisn’t,It’sTina.TinaistallerthanTara.AndshealsosingsmoreloudlythanTara.二、Teachingandlearningsteps:Step1.TeachingAims：TellSstheyaregoingtolearnUnit3GrammarFocus3a-3c.Step2.Review1.Accordingtothepictures,writedowntheComparat

3、iveFormsofAdjectiveandAdverbs2.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.Showtwoc

4、olumsofwords,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

5、形容词及副词比较级的变化，帮助学生找到变化规律)Tall---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---moreealislyBeautifully—morebeautifully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以e结尾的

6、词加-r以“辅音字母+y”结尾的词，改y为i，再加-er以重读闭音节结尾，双写辅音字母，再加-er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(2)不规则变化原级比较级Good/wellbetterBad/badly/illworseMany/muchmorelittlelessfarFarther/further3.Dividestudentsintotwogroups,andaskthemtoreadGrammarFocusseperately.Drawalineundertheadjectiv

7、e,andcircletheadverbsIsTomsmarterthanSam?No,heisn’t.SamissmarterthanTom.IsTaramoreoutgoingthanTina?No,sheisn’t.TinaismoreoutgoingthanTara.Areyouasfriendlyasyoursister?No,I’mnot.I’mfriendlier.DoesTaraworkashardasTina?Yes,shedoes.Who’smorehard-workingatschool?Ti

8、nathinkssheworksharderthanme.4.AskstudentstoreadGrammarFocusagain,andpayattentiontothesentencestructure“as…as…”5.翻译探究：TaraworksashardasTina.¬¬¬______________________________.“as+形容