专题：形容词、副词的比较级和最高级（一）形容词、副词比较级和最高级的构成：1.单音节词和少数双音节词比较级和最高级的规则变化：规则原级比较级最高级1.在词尾后直接加-er/esttalltallertallest2.词尾是e，只加-r/stnicenicernicest3.以辅音字母加y结尾的，把y变i再加-er/esthappyhappierhappiest4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加-er/estthinfathotwetthinnerfatterhotterwetterthinnestfattesthottestwettest2.其他双音节词或多音节词,在该词前面加-more/mostbeautiful—morebeautiful—(the)mostbeautiful3.由形容词加ly构成的双音节词和多音节词,都是在该词前加-more/most.quickly—morequickly—(the)mostquicklydifficultly—moredifficultly—(the)mostdifficultly4.不规则变化:good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest（二）形容词比较级和最高级的用法：1.原级的用法:1)用于两者之间对比，意思为“……和……相同”,A+v.+as….+形容词原级+asB例如：TomisashonestasJack.Tomrunsasfastashisbrother.2)用于两者之间对比，意思为“……和……不相同”，A+not+v.+as/so+形容词原级+asB例如：Heisnotas(=so)tallasI.Thisstoryisnotasinterestingasthatone.2.比较级的用法:1）A+形容词比较级+than+B:SusanishappierthanJane.Hisbrotherisyoungerthanme.BeijingismorebeautifulthanOsaka.形容词比较级前还可以用much,even,still,alittle，far,alot,abit,来修饰。Very,so,too,quite,rather+原级。2）A+数字+形容词比较级+than+B.I’mtwoyearsolderthanyou.Sheisaheadtallerthanme.3)用倍数惊醒比较的句型：●A+谓语+…times+比较级+than+B.Eg.Yourbagisthreetimesbiggerthanmine.(你的包比我的大三倍。)●A+谓语+…times+as+原级+as+BEg.Thelivingroomisthreetimesaslargeasthekitchen.（客厅的面积是厨房的三倍。）●A+谓语+…times+the+(size,length,height,weight…)+of+B.Yourcakeisfourtimesthesizeofmine.（你的蛋糕的大小是我的蛋糕的四倍。）4）比较级+and+比较级，表示“越来越……”:Theearthisgettingwarmerandwarmer.5）the+比较级，the+比较级结构，表示“越……就越……”:ThemoreIstudyit,themoreIlikeit.6）which/who+is+比较级:Whichcityisbigger,BeijingorTianjin?Whoishappier,youorme?7)A.…the+比较级+ofthetwo…例如：Heisthetallerofthetwoboys3.最高级用法：用于三者及以上的人或事物的比较,最高级前加the，最高级前有物主代词，序数词和名词所有格时，不加定冠词，后面跟带in或of表范围的短语。Heisthetallestinhisclass.Heisthetallestoftheboys.1）oneofthe+最高级:ShanghaiisoneofthemostbeautifulcitiesinChina.Itisournearestneighborinspace.2）最高级可以转换成比较级：:Sheisthebestinherclass.Sheisbetterthananyotherstudentinherclass.Sheisbetterthantheotherstudentsinherclass.Nootherstudentinherclassisbetterthanshe.（三）副词原级主要的句型：1）as+副词原级+as:TomrunsasfastasJones.2)notas/so+副词原级+as:Hedidn’tcomeas/soearlyasLiLei.3）too+副词原级+todosth.Jeanridestooslowlytocatchupwithme.4）so+副词原级+that+从句：Jeanridessoslowlythatshecan’tcatchupwithme.5）副词原级+enoughtodosth.Jeandoesn’tridefastenoughtocatchupwithme.形容词，副词比较级最高级专题训练一一．单选1.TheairinBeijingisgettingmuchnowthanafewyearsago.A.cleanB.cleanerC.cleanestD.thecleanest2.Nowadayssciencefictionisn’tasascartoonsamongteenagers.A.popularB.morepopularC.lesspopularD.themostpopular3.WearegladtoseethatShanghaiisdevelopingtheseyearsthaneverbefore.A.quicklyB.lessquicklyC.morequicklyD.themostquickly4.Thecheesecaketastedsothatthekidsaskedformore.A.deliciousB.wellC.badD.badly5.Shelooksvery.Ithinksheneedstohavearest.A.tiredB.hardC.wellD.hardly6.GuoYuedidquiteattheWorldTableTenn...
