比较级教案

形容词的比较级科目英语适用年级初中二年级适用区域全国使用人教版教材的地区课时数量/时间1课时/60分钟教师姓名学生姓名学习目标1、掌握形容词比较级的构成规则。2、能够正确使用形容词的比较级对事物进行比较。学习方法建议1、首先正确理解形容词比较级的运用。2、进行相应的综合练习。知识点形容词比较级的用法。形容词的比较级变化规则。形容词比较级的用法。使用比较级时应注意的问题教学过程：一、预习对上节课课后作业中的问题进行查漏补缺二、知识讲解知识点1：形容词的比较级的用法：用于两者之间，表示“其中一个比另外一个更……”或“较”，后面通常用连词than连接另一个比较对象，其基本句型是：主语+谓语或者系动词+形容词比较级+than+比较对象。Eg.JimistallerthanMike.LilyismorebeautifulthanLucy.知识点2：形容词比较级的变化规则：规则变化以及不规则变化。1规则变化A单音节词尾加er：tall-taller,short-shorter,long-longerB单音节以e结尾的只加r：fine-finer,large-larger.C以一个元音字母加一个辅音字母结尾并且是重读闭音节的，要双写最后一个辅音字母，再加er：hot-hotter,big-bigger.英语学科学案模板2D以辅音字母加y结尾的单音节单词和部分双音节单词变比较级时，要先把y变为i，再加er：early-earlier,busy-busier.E多音节单词或者部分双音节单词在变比较级时没在前面加more：outgoing-moreoutgoing,difficult-moredifficult.(部分双音节单词的比较级有两种变化方式：clever-cleverer,moreclever.)2不规则变化good/well-betterbad/ill-worsemany/much-moreold-older/elderfar-farther/furtherlittle-less知识点3：比较级的用法:(一)当两个人或事物（A和B）进行比较时，我们需要用到形容词（副词）的原级或者比较级1．表达“A和B一样”，用as…as的结构。公式:A+be动词+as+形容词原级+as…+BA+实义动词+as+副词原级+as…+BEgIamastallasyou.我和你一样高。HerunsasfastasI.他跑得和我一样快。2．表达“A不如B”用notas…as的结构。公式:A+be动词的否定形式+as+形容词原级+as…+BA+助词的否定形式+动词+as+形容词原级+as…+BEgIamnotastallasyou.我没有你高。Hedoesn’trunasfastasI.他没有我跑得快。3．表达“A大于B”用“比较级+than”的结构。公式:A+be动词+形容词比较级+than+B…A+实义动词+副词比较级+than+B…EgIamtallerthanyou.我比你高。HerunsfasterthanI.他跑得比我快。(二)关于形容词、副词比较级的更多用法1．比较级前面可以加上表示“优劣程度”的词或短语，意思是“更…”，“…得…”。常见词有much,alittle,even,alot,agreatdeal等。EgHeismuchtallerthanI.他比我要高得多。Ijumpalittlehigherthanhe.我跳得比他高一点点。英语学科学案模板32.比较级前面可以加上表示具体数量差别的结构,表示具体“大多少”，“小多少”，“长多少”，“短多少”等。EgIamtwoyearsolderthanhe.我比他大两岁。Thisbuildingis20metershigherthanthatone.3．“比较级+and+比较级”表示“越来越……”。Itisgettingwarmerandwarmer．天气越来越暖和。Heisrunningfasterandfaster．他跑得越来越快。0urcountryisbecomingmoreandmorebeautiful．我们祖国越来越美了。4．“themore…，themore…”表示“越……，就越……”，Themore，thebetter.多多益善。Themorecarefulyouare,thefewermistakesyouwillmake.你越细心，犯错就越少。5．“themore…ofthetwo…”表示“两个当中较。。。的一个”Thetallerofthetwoboysismybrother知识点4使用比较级时应该注意的问题(错题分析)1Yourhairislongerthanme.(mine)2TheweatherinBeijingiscolderthanGuangzhou.(thatinGuangzhou)3Pickingapplesismuchbetterthanhaveclass.(havingclass)4Jimisyoungerthananystudentinhisclass.(anyotherstudent)5Jimfromclass1istallerthananyotherstudentinClass2.(anystudent)6Thecityisgettingmorebeautifulandmorebeautiful.(moreandmorebeautiful)7Thebusierheis,happierhefeels.(thehappierhefeels)8Scienceisasmoreinterestingasart.(asinterestingas)三、典型例题1）----Areyoufeeling____?----Yes，I'mfinenow.A.wellB.betterC.goodD.quitebetter答案：B.quite修饰原级，well的比较级为better.2）Theexperimentwas____easierthanwehadexpected.A.moreB.muchmoreC.muchD.moremuch英语学科学案模板4答案：C.much可修饰比较级，因此B，C都说得通，但easier本身已是比较级，不需more，因此C为正确答案。3）Iftherewerenoexaminations,weshouldhave___atschool.A.thehappiesttimeB.amorehappiertimeC.muchhappiesttimeD.amuchhappiertime答案：D。四、课堂搭配练习A级写出下列形容词与副词的比较级与最高级形式：long___________wide_____________fat_________heavy__________slow_____________few_________brightly______-_____far_________quickly___________happy_____-______good___________bad___________well__________badly___________ill___________little___________many___________much___________keys:longerlongestwiderwidestfatterfattestheavierheaviestslowerslowestfewerfewestmorebrightlymostbrightlyfarther/furtherfarthest/furthestmorequicklymostquicklyhappierhappiestbetterbestworseworstbetterbestworseworstworseworstlessleastmoremostmoremost用所给词的正确形式填空：1.Mysisteristwoyears_______(old)thanI.2.Theboyisnotso______(interesting)ashisbrother.3.Shewillbemuch______(happy)inhermewhouse.4.Theredcoatisas_______(long)astheblueone.5.Mysisterisnotso______(tall)asme/I.6.Mikedoeshishomeworkas________(carefully)asMark.7.Theydon'tgetupas____________(early)asWe.8.Herunsas________(fast)asshe.9.Whichis______(beautiful),theblackcoatortheblueone?英语学科学案模板510.Ofthetwogirls,IfindLucythe_________(clever).Keys：1older2interesting3happier4long5tall6carefully7early8fast9morebeautiful10moreclever/clevererB级选择正确的答案11Nowairinourtownis____thanitusedtobe.Somethingmustbedonetoit.A.verygoodB.muchbetterC.ratherthanD.evenworse12Ifeel__betterthanyesterday.A.moreB.veryC.theD.far13.Itwasveryhotyesterday,butitis___today.A.evenhotterB.morehotterC.muchmorehotD.muchhot14.MrsBlackhasgot____insteadofgettinganybetter.A.morebadB.alittleworseC.muchbadlyD.alotofworse15.Throughthewindowwecanseenothingbut____buildings.A.tallverymanyB.verymanytallC.verytallmanyD.manyverytall16.Ourclassroomis____largerthantheirs.A.moreB.quiteC.veryD.much17.Thisnecklacelooks__and__sells__.A.well,wellB.good,niceC.nice,goodD.nice,well18.ThepopulationofShangdongis__thanthatSichuan.A.smallerB.largerC.lessD.largeC级19.Chinaislargerthan____inAfricaA.anyothercountryB.othercountriesC.theothercountryD.anycountry20Tomisstrongerthan___inhisclass.A.anyotherboyB.anyboysC.anyboyD.otherboy21Whenspringcomes,itgets____.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter22Byandby,____studentsinourclasscametolikeEnglish.A.moreandmoreB.muchandmuchC.manyandmanyD.lessandleast23.Atlasthebegantocry___.A.hardandhardB.morehardandmorehardC.harderandharderD.lesshardandlessharder24.Whenspringcomesthedaysget_