日第(五)次课共(15)次课课时:3课时教学课题形容词和副词的同级、比较级和最高级教学目标复习巩固形容词和副词的同级、比较级和最高级教学重点与难点1.形容词和副词的比较级、最高级的变化规则;2.同级、比较级、最高级常考句型。教学过程Step1quiz检测学生的掌握情况(一)写出下列单词的比较级和最高级tall﹍﹍﹍﹍slow﹍﹍﹍﹍small﹍﹍﹍﹍fast﹍﹍﹍﹍smart﹍﹍﹍﹍few﹍﹍﹍﹍nice﹍﹍﹍﹍fine﹍﹍﹍﹍large﹍﹍﹍﹍late﹍﹍﹍﹍brave﹍﹍﹍﹍pretty﹍﹍﹍﹍easy﹍﹍﹍﹍funny﹍﹍﹍﹍busy﹍﹍﹍﹍happy﹍﹍﹍﹍lazy﹍﹍﹍﹍heavy﹍﹍﹍﹍dirty﹍﹍﹍﹍dry﹍﹍﹍﹍early﹍﹍﹍﹍slim﹍﹍﹍﹍hot﹍﹍﹍﹍big﹍﹍﹍﹍thin﹍﹍﹍﹍fat﹍﹍﹍﹍wet﹍﹍﹍﹍beautiful﹍﹍﹍﹍﹍﹍﹍﹍interesting﹍﹍﹍﹍﹍﹍﹍﹍important﹍﹍﹍﹍﹍﹍﹍﹍dangerous﹍﹍﹍﹍﹍﹍﹍﹍expensive﹍﹍﹍﹍﹍﹍﹍﹍polite﹍﹍﹍﹍﹍﹍﹍﹍careful﹍﹍﹍﹍﹍﹍﹍﹍exciting﹍﹍﹍﹍bad/badly/ill﹍﹍﹍﹍little﹍﹍﹍﹍many/much﹍﹍﹍﹍old﹍﹍﹍﹍﹍﹍﹍﹍far﹍﹍﹍﹍﹍﹍﹍﹍二.用所给词的恰当形式填空。1.Whichis__________(big),thesun,themoonortheearth?2.Whichis________(beautiful),theblackcoartortheblueone?3.Thismooncakeis________(cheap)ofall.4.Heis_________(strong)intheclass.(widely)spokenintheworld.Step2复习总结比较级的规则形容词和副词的比较级和最高级的规则变化(1)一般在词尾直接加________或_______。如:tall—taller—tallest,long—________—________(2)以不发音的字母e结尾的单词在词尾直接加______或_______。如:nice—nicer—nicest,large—__________—__________(3)以辅音字母+y结尾的词,把y变为i,再加_____或_______。如:heavy—heavier—heaviest,busy—________—_________funny—__________—__________(4)在重读闭音节中,末尾只有一个辅音字母,双写这个辅音字母,再加-er或-est。如:big—bigger—biggest,hot—hotter—hottestthin—________—________,fat—______—________(5)部分双音节词和多音节词分别在原级前加more构成比较级,加most构成最高级。如:slowly—_____________—_____________beautiful—________________—__________________important—_________________—_______________2.形容词和副词的不规则变化good/well—__________—____________many/much—_________—____________ill/bad/badly—_________—___________little—__________—__________far—___________—_________Step3总结同级、比较级、最高级中考常考句型三级的用法(1)原级的用法①只能修饰原级的词有very,quite,so,too等。如:Theoldmanis__________walkon.那个老人太累了以至于不能再继续走了。②原级常用的句型结构a.“A+v.+as+形容词原级/副词原级+asB”表示“A和B程度相同”。如:_______________________________________露西和凯特的年龄一样大。_________________________________________汤姆和迈克跑得一样快。b.“A+v.+not+as/so+形容词原级/副词原级+asB”表示“A不如B……”如:___________________________________________这个教室不如那个大。___________________________________________他走路不像你那样慢。(2)比较级常用的句型结构①“A+v.(+倍数)+比较级+than+B”表示“A比B……”或“A比B……几倍”如:_________________________________吉姆比凯特高。____________________________________这个球比那个大三倍。②“A+v.+比较级+than+anyother+单数名词(+介词短语)”表示“A比同一范围内的任何一个人/物都……”,含义是“A最……”。如:Xiaomingistallerthan(anyof)theotherboysinhisclass.小明比他班上其他任何男孩都高。知人善教培养品质引发成长动力=Xiaomingis____________inhisclass.小明是他班上最高的男孩。③“A+v.+the+比较级+ofthetwo+……”表示“A是两者中较……的”。如:Lookatthetwoboys.Xiaomingis__________thetwo.看那两个男孩,小明是两个当中较高的那个。④“比较级+and+比较级”表示“越来越……”如:Heisgetting____________________.他越来越高了。Hedoeshishomework_______________________________.他做作业越来越认真了。⑤“the+比较级,the+比较级”表示“越……,就越……”如:_______________________________越多越好。____________youwork,__________yourgradeswillbe.你越努力学习,你的成绩就越好。⑥“特殊疑问词+v.+比较级,AorB?”如:Whichisbigger,theblueballortheredone?哪一个大,蓝球还是红球?[注意]比较级前常用much,even,still,alittle,abit,alot,far,any等词修饰。(3)最高级常用句型结构①“主语+v.+the+最高级+(单数名词)+in/of短语”,表示“……是……中最……的”。如:_______________________________________汤姆是他们班上/所有学生当中最高的。Ijump____________inmyclass.我是我们班跳得最远的。②“主语+v.+oneofthe+最高级+复数名词+in/of短语”,表示“……是……中最……之一”。如:Beijingis______________________________inChina.北京是中国最大的城市之一。③“特殊疑问词+v.+the+最高级+A,B,orC?”用于三者以上的比较。如:Whichseasondoyoulike_____________,spring,summerorautumn?你最喜欢哪一个季节,春天,夏天还是秋天?④“主语+v.+the+序数词+最高级”,表示“……是……中的第几……”如:Tomis____________________________boyinhisclass.汤姆是他们班身高第二的男生。Step4随堂检测典型例题:1)----Areyoufeeling____?----Yes,I'mfinenow.A.anywellB.anybetterC.quitegoodD.quitebetter2)Theexperimentwas____easierthanwehadexpected.A.moreB.muchmoreC.muchD.moremuch3)Iftherewerenoexaminations,weshouldhave___atschool.A.thehappiesttimeB.amorehappiertimeC.muchhappiesttimeD.amuchhappiertime4).Bobneverdoeshishomework_____Mary.Hemakeslotsofmistakes.A.socarefulasB.ascarefullyasC.carefullyasD.ascarefulas5).Nowairinourtownis____thanitusedtobe.Somethingmustbedonetoit.A.verygoodB.muchbetterC.ratherthanD.evenworse6).Ifeel__betterthanyesterday.A.moreB.veryC.theD.far7).Chinahasalargepopulationthan__intheworld.A.allthecountriesB.everycountryC.anycountryD.anyothercountry8).Thisbookis__onthesubject.A.themuchbestB.muchthebestC.verymuchbestD.verythebest9).Thesickboyisgetting__daybyday.A.worseB.badC.badlyC.worst).Thisnecklacelooks__and__sells__.A.well,wellB.good,niceC.nice,goodD.nice,well11).DoctorWang___heartoperationA.isinterestedonB.likedoingC.doeswellinD.isgoodat12).thepopulationofShangdongis__thanthatSichuan.A.smallerB.largerC.lessD.large13).Ididn’tgoshoppingyesterday.Hedidn’t__.A.soB.eitherC.tooD.neither14).___deliciousthefoodis!A.HowB.howaC.WhatD.Whata15).Whatanimaldolike___?Ilikeallkindsofanimals.A.betterB.bestC.VeryD.well16).Hainanisaverylargeisland.It’sthesecond__islandinChina.A.largeB.largerC.largestD.mostlarge17).Ifyouwanttobookaround–tripticket,you’llhavetopay__$30.A.moreB.otherC.theotherD.another15.Ahorseis__thanadog.A.muchheavyB.moreheavierC.muchheavierD.moreheavy16.Whichis__seasoninBeijing?Ithinkit’sspring.A.goodB.w