教學設計學科英語年級八年級學期上期課題Unit3I’mmoreoutgoingthanmysister.(SectionBSelfcheck&Revision)用形容詞/副詞的比較級談論人的個性特征教科書書名：義務教育教科書英語八年級上冊出版社：人民教育出版社出版日期：2013年6月第1版教學目標學生能掌握形容詞、副詞比較級的變化規則。學生能用形容詞、副詞的比較級談論人的個性特征。學生能運用as...as...結構表述兩者之間的相同之處。教學內容教學重點：掌握形容詞、副詞比較級的變化規則。教學難點：用形容詞、副詞的比較級談論人的個性特征。運用as...as...結構表述兩者之間的相同之處。教學過程Step1：LeadinHello,Welcometomymicro-class.I’mMsBai.ThisismydaughterElsaandthatismysonJason.TodayIwillshowsomeinterestingthingsaboutmydaughterandsonthroughsomepictures.Look!JasonistallerthanElsa.Elsaisalittleheavierthanhisbrother.Whentheytookpartintherunningrace,JasonranfasterthanElsa.Pleaselookatthesesentences:JasonistallerthanElsa.Elsaisalittleheavierthanhisbrother.JasonranfasterthanElsa.形容詞/副詞的比較級：用于兩者之間的比較，說明“前者比后者更.......”產生的詞形是由形容詞、副詞的原級轉化而來。Step2：Presentation總結規則變化1：一般在詞尾＋er.T:IboughttwopetdogsforJasonandElsa.Jason’spetdogisnamedCocoandElsa’spetdogiscalledCici.ElsasaysthatCocoissmarterthanCici.ButIthinkCicirunsfasterandjumpshigherthanCoco.Doyouthinkthey’recute?Canyoutrytowritethecomparativeformsofthefollowingadjectivesandadverbs?S1:Smart-smarter;fast-faster;high-higherT:通過這三組詞匯，我們不難總結出：一般在詞尾＋er.Pleasefillintheblanks:S2:tall-taller,small-smaller,long-longer.hard-harder總結規則變化2：以不發音字母e結尾的詞一般在詞尾加r.T:LastNationalHoliday,Wewenttoamuseum.Thismuseumisclosertoourhome,andit’slargerthananyothermuseum.Welovethisplacesomuch.S3:close-closer;large-largerT:Canyousummarizethesecondgroupofcomparativeadjective/adverbchange?S4:以不發音字母e結尾的詞一般在詞尾加r.T:Pleasefillintheblanks:S5:late-later,nice-nicer;simple-simpler,wide-wider.總結規則變化3：以輔音字母加y結尾的詞把y去掉，加上ier.T:Thismuseumispopularamongthepeople.It’salwayscrowded.Sowewentthereearlierinthemorning.TheguidestherewerebusierbecauseoftheNationalHoliday.S6:early-earlier;busy-busierT:Canyousummarizethethirdruleofcomparativeadjectives/adverbschange.S7:以輔音字母加y結尾的詞把y去掉，加上ier.T:Pleasefillintheblanks.S8:lazy-lazier;easy-easier;funny-funnier;總結規則變化4：單元音閉音節形容詞雙寫未尾字母加er.T:Summeriscomingandtheweatherisgettinghotterandhotter.IwanttobuysomeicecreamforJasonandElsa.ButElsasaidthatalthoughittastesgood,shedidn’twanttoeatitbecauseshedidn’twanttobefatter.S9:hot-hotter,fat-fatter.T:我們一起來總結一下形容詞/副詞比較級的第四條變化規則：單元音閉音節形容詞/副詞雙寫未尾字母加er.T:Pleasefillintheblanks:thin-thinner,wet-wetter;big-bigger;總結規則變化5：雙音節和多音節詞一般在單詞前加more.T:Inaword,JasonisalotmoreoutgoingthanElsawhileElsaismuchmorecreativethanJason.outgoing-moreoutgoing;creative-morecreativeT:形容詞/副詞比較級的第五條變化規則比較簡單，你可以試著總結一下嗎？Ss:雙音節和多音節詞一般在單詞前加more.T:Pleasefillintheblanks:S10:beautiful-morebeautiful;difficult-moredifficult;expensive-moreexpensive總結不規則變化：T:除了以上5個規則變化以外，還要記住常見的不規則變化，例如：原級比較級good/wellbetterbad/badlyworsemany/muchmorelittlelessfarfarther/furtheroldolder/elder總結as...as..結構表述兩者之間的相同之處：T:Allinall,althoughmytwokidsaredifferentfromeachother,JasonisasseriousasElsa.Heisalsoashard-workingashissister.Theybothliketostudy.Ss:asseriousas;ashard-workingasT:形容詞/副詞的比較級，不僅可以用than進行比較，還可以用as+形容詞/副詞的原級+as表述兩者之間的相同之處。Pleasetranslatethissentence:S11:我認為科學與數學同等重要。Ithinkscienceisasimportantasmath.Step3:PracticeT:關于形容詞/副詞比較級的變化規則，你學會了多少呢？我們一起來練一練。Theredsweateris_________(cheap)thanthatbluecoat.Lessononeismuch_________(easy)thanlessontwo.Ifeelmuch_________(well)today.Englishis______________(popular)thanJapanese.Heisas_________(funny)ashis