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形容词和副词比较级和最高级讲座_____陕西省咸阳兴平市赵村初中陈文杰Teacher’swords:It’sbettertoteachamanfishingthantogivehimfish.Learningaims:1.Knowledgeaims:掌握形容词，副词比较级最高级的用法。2.Abilityaims:能够根据不同的语言环境，正确运用形容词，副词比较级和最高级。3.Emationaims:培养学生明辨是非的能力。4.Step1.比较级和最高级的构成（1）单音节和少数双音节词*一般在词尾加er或esttall____________short______________long______________warm_______________*以e结尾的只加r或stnice_______________large_______＿＿＿＿＿＊以辅音字母加ｙ结尾的，先变ｙ为ｉ，再加er或estheavy_________________easy________________buy__________________funny__________________early__________________*以重读闭音节结尾的词，先双写最末的一个辅音字母，再加er或estbig_______________thin_______________fat______________red_________________(2)多音节和部分双音节词，前加more为比较机级，加（the）most为最高级careful_____________________important___________________popular______________________(3)不规则变化的词good/well____________________bad/ill/badly___________________many/much_____________________litter________________________old___older/elder___oldest(指年龄大小)/eldest（指长幼顺序）far___farther/further____faethest(指距离)／furthest(指程度)Step2.形容词和副词比较级最高级的用法形容词和副词比较级最高级的用法，是指两者之间作比较。(１)用于两者比较，表示“Ａ比不更…..”;“Ａ＋动词＋形容词比较机级＋than+B”.Eg:Iamtwoyears___(old)thanmylittersisterShegetstoschool________(early)thantheotherstudents.Ithinkrealcardsare____(nice)thane__cards.(2).用于两者比较，A亚于B.A+be+lessthan+B.Thissunglassislessexpensivethanthatone.(译汉语)。————————————————————————。(3).A比任何人事都…….*A+be+比较级+thananyother+单数名词。=A+be+比较级+thantheother+复数名词。Eg:ThechangjiangRiveris_______(long)thananyotherriverinChina.=___________________________________________________.=___________________________________________________.(4).表示某个范围内的两者相比。“A+动词+the+比较级+ofthetwo短语（比较范围）。Eg:Dannyis_______(thin)ofthetwogirls.(5).A几倍于B.*A+b+倍数(once/twice/threetimes/….)+as+原级+as+B.Eg:Theboxistwiceasheavyasthatone.(6).特殊句型：*which+谓语动词+比较级，AorB?Eg:Whichis______(big),themoonortheearth?*表示“越来越…..”“比较级+and+比较级”Eg:Inspringthedaysaregetting_________.春天，白天变得越来越长。*表示“越…越…”“the+比较级…the+比较级”Eg:______youpraticeusingEnglish,_______you’relearnit.你英语练的越多，就会学得越好。注意：可以用much,far,even,abit,alittle,alot,等修饰比较级表示程度，但决不可用very修饰。（7）.用于两者之间的同级比较，表示“…和…一样。”*A+系动词+as+形容词原级+as+B.Eg:Billisas_______(tall)ashisfather.*”A+谓语动词+as+副词原级+as+B.Eg:LusyspeaksChineseas_____(good)asLily.(8).表达甲在某方面不如乙。*“A+系动词+notas/so+形容词，副词原级+as+B.Eg:Thesebooksaren’tas______(interesting)asthose.*”A+助动词/情态动词+not+谓语动词+as/so+B.Eg:Shedidn’twriteso___(care)thatnight+assheusuallydoes.&可以用much,far,even,abit,alot,等修饰比较级表示程度，但决不可用very修饰。Eg:Tomisalitter______(heavy)thanMike.Tom比Mike稍重一些。Itiseven_______(cold)todaythanyesterday.今天甚至比昨天还冷。（9）在比较级中，为避免重复，可用than或those代替前提到过的事情。Eg:Theweatherhereismuchhotterthanthatofourhomework.(译成汉语)————————————————————————————。Thepartsinthisshoparealotbetterthanthoseinthatshop.(译成汉语)_______________________________________________________.Step3.形容词和副词最高级的用法：对三者或三者以上的人或物进行比较时用最高级。形容词最高级前面加定冠词the,副词最高级前加the,也可省掉the,后面可带of/in短语来说明比较范围。(1).主语+系动词+the+形容词最高级+of短语/in短语。Eg:Maryis_______(hard_working)ofusall.Shanghaiis______(big)cityinourcountry.(2).表示“第几最…”:The+序数词+形容词最高级+名词单数。TheYellowRiveris______(第二长河)inChina.(3).表示A是最….之一：A+be+oneofthe+最高级+名词单数。Mr.Greenisoneof_____(popular)teachersinourschool.(4).Which+谓语动词+the+最高级，A,BorC?Whichis_____(big),themoon,theearthorthesun?Step4.课堂小结这节课，我具体掌握了__________________________________.Step5.巩固性练习1．Theboxis____________thatone.A.asthreetimesasB.asthreetimesbigasC.threetimesasbigas2.Nowtheairinourtownis______thanitusedtobe.Somethingmustbedonetodoit.A.verygoodB.muchbetterC.ratherthanD.evenworse3.Ifeel_____betterthanyesterday.A.moreB.veryC.theD.much4.Chinahasalargepopulationthan______intheworld.A.allthecountriesB.everycountryC.anycountryD.anyothercountry5.Hainanisaveryisland.It’sthesecond_________islandinChina.A.largeB.largerC.largestD.morelarge6．Whichis_____seasoninBeijing?Ithinkit’sspring.A.goodB.wellC.bestD.thebest7.Whenanearthquakehappens,andyouareoutdoors,youshouldkeepcalmandgotoanopenareaas_____aspossible.A.slowlyB.quicklyC.quietlyD.wildly8.Thegardenisbecoming__________.A.morebeautifulandmoreB.morebeautifulandbeautifulC.moreandmorebeautifulD.morebeautifulandbeautifuler9.Thebookis______ofthetwo.A.thinnerB.thethinnerC.morethinnerD.thethinnest10.____youspeakEnglish,______yourspokenEnglishwillbe.A.Themore,betterB.More,thebetterC.More,thebetterD.Themore,thebetter二．用所给词的适当形式填空。1．Whichis_______(beautiful),theblackcoatortheblueone?2.Thiscakeis_____(cheap)ofall.3.Beijingisoneof______(big)citiesintheworld.4.Thisbookis______(use)themthatone.5.ThepopulationofChinaismuch________(large)thanThatofJapan.---