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形容词-副词的比较级和最高级形容词、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/estthinthinnerthinnest2.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:用于两者之间对比，意思为“……和……相同”A+v.+as….+形容词原级asB“A与B一样”；否定则“A不如B”TomisashonestasJack.Herskinisaswhiteassnow.Mydogisasoldasthatone.Heisnotas(so)tallasI(me).Theweatherhereisnotas(so)coolastheweatherinHarbin.2.比较级的用法:1）A+v.+形容词比较级+than+BSusanishappierthanJane.Shehasbiggereyesthanme.Hisbrotherisyoungerthanme.BeijingismorebeautifulthanOsaka.2）which/who…比较级,AorB?Whichcityisbigger,BeijingorTianjin?Whoishappier,youorme?3）比较级+and+比较级，表示“越来越……”Theearthisgettingwarmerandwarmer.Chinabecomesmoreandmorestronger.4）the+比较级，the+比较级结构，表示“越……就越……”ThemoreIstudyit,themoreIlikeit.Theharderyouare,thebettergradesyouwillget.5）…the+比较级+ofthetwo…两个中更…的那个ThetallerofthetwoboysisPeter.Lookatthetwogirls.Whoistheheavierofthem?6)具体对比量+形容词比较级+than…much,alot,far+比较级“比….得多”alittle,abit,kindof+比较级“比…一点儿”even+比较级“甚至更…“still+比较级“还是更…”I’mtwoyearsolderthanyou.Sheisaheadtallerthanme.Heismuchlesshardworking.Heisevenworsetoday.专项练习（一）写出下列形容词与副词的比较级与最高级形式：longfastbadlyheavyfewimportanthappysmallinterestingeasybigdifficultmanyfatrudebusyhotlargeearlythinwidegoodlittlefar(二)用所给词的正确形式填空：1.Heran______thanalltheothers.Heran_______ofall.(fast)2.Jamesplayedas______asyou.Maryplayed_______ofall.(well)3.Shewaited________thansheusuallydid.(long)4.Iwalked_______thantherest.Iwalked_______ofall.(far)5.Myfriendcame________thanPualandMike.(late)6.Amongthethreeboysheworks________.(hard)7.Bobleftschool______inhisclassyesterday.(late)8.Heswimsas______asIdo.(badly)9.Whodid_______inthe100-metrerace,JimorTim?(badly)10.BothLiMingandLiHongsang__________,butIsang_______ofall.(badly)11.Peterisas_______asTom.Bennyis_____thanTom.Davidis______ofall.(fat)12.LiLifound_________mushroomsthanIdid.(many)13.Theelephantis________thananyotheranimals.(big)14.Manis________thananimals.(muchclever)15.LessonTwoisabit________thanLessonOne.(easy)16.I’m_______boyunderthesun.(happy)17.Todayis________thanyesterday.(hot)18.Anelephantis_______thanatiger.Itis_______animalonland.(big)19.Mr.Liis_______thanyouruncle.(thin)20.Whichbookis_________,yoursormine?(thick)21.Thisparkismuch_______thanthatone.(beautiful)22.Thefirstbookismoreusefulthanthesecondone.Thesecondbookis_____thanthefirstone.(useful)23.Allanis_______ofthethreeboys.(strong)24.Hismarksare_______thanhisfriend’s(bad)25.Itis_______todothismathsproblemthantodothatone.(easy)26.Myhouseis________tothefarmthanyours.(far)27.Myworkismoreimportantthanyours.Yourworkis________thanmine.(important)28.Mymotherdrivesverycarefully.Sheisa_________driverthanmyfather.(careful).29.Ofthetwogirls,IfindLucythe_______(clever).30.Gold(黄金)is______(little)usefulthaniron(铁).33.Mysisteristwoyears_______(old)thanI.（三）单项选择题()1.Yourroomis_______thanmine.A.threetimebigB.threetimesbigC.threetimesbiggerD.biggerthreetimes()2Whenspringcomes,itgets_______.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter()3______hereadthebook,_______hegotinit.A.Themore;themoreinterestingB.Theless;themoreinterestingC.Themore;themoreinterestedD.More;moreinterested()4Ilike______oneofthetwobooks.A.theolderB.oldestC.theoldestD.older()5Whichdoyoulike_______,teaorcoffee?A.wellB.betterC.bestD.most()6Thisworkis_______formethanforyou.A.difficultB.mostdifficultC.muchdifficultD.moredifficult()7E-mailingismuchthanlong-distancecalling.A.cheapB.cheaperC.cheapestD.thecheapest()8----Areyoufeeling____?----Yes，I'mfinenow.A.anywellB.anybetterC.quitegoodD.quitebetter()9Yourhouseis______biggerthanours.A.TwotimeB.SecondtimeC.TwotimesD.Secondtimes()10Englishisoneof_______spokenintheworld.A.theimportantlanguagesB.themostimportantlanguagesC.mostimportantlanguageD.themostimportantlanguage()11.Iftherewerenoexaminations,weshouldhave___atschool.A.thehappiesttimeB.amorehappiertimeC.muchhappiesttimeD.amuchhappiertime()12I'mnot________tolifttheheavybox.A.shortenoughB.enoughtallC.healthenoughD.strongenough()13Whichis_______,LiLeiorWuTong?A.strongB.strongestC.strongerD.thestrongest()14Doyouhave_______totellus?A.somethingnewB.newsomethingC.anythingnewD.newanything()15.MostofthepeopleinGuangdongaregetting______.A.moreandrichB.morerichandmorerichC.richerandricherD.richandrich()16..Ofthetwotoys,thechildchose_____.A.theexpensiveoneB.onemostexpensiveC.aleastexpensiveD.themostexpensiveofthem()17..Thelineis____thanthatone.A.morelongerB.notlongerC.muchmorelongerD.manymorelonger()18..Theearthis_____themoon.A.as49timesbigasB.49timesasbiggerasC.49timesasbigasD.asbigas49times()19..Thebookis____ofthetwo.A.thinnerB.thethinnerC.morethinnerD.thethinnest()20.Shelooks_____thanshedoes.A.the