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形容词的比较级最高级一、比较等级的含义形容词在应用中有三个级别.即:原级\比较级\最高级。二、形容词的比较级、最高级的构成规则1.一般在形容词后加er表示比较级,加est表示最高级small-smaller-smallestyoung-younger-youngestfast-faster-fastest2.以不发音的e结尾的形容词只加上r表示比较级，加上st表示最高级。large-larger-largestnice-nicer-nicestfine-finer-finest3.以辅音字母+y结尾的形容词把y变为i,然后加上或est。-earlier-earliesthappy-happier-happiest4.重读闭音节双写最后一个辅音字母然后加上或est。big-bigger-biggestthin-thinner-thinnestwet-wetter-wettestfat-fatter-fattesthot-hotter-hottest5部分双音节和多音节的形容词在这些形容词前加上more表示比较级加上most表示最高级。原级、比较级、最高级friendly---morefriendly-----mostfriendlyoutgoing---moreoutgoing---mostoutgoingserious----moreserious---mostseriouscareful---morecareful----mostcarefulinterestingpopulardifficultexpensivebeautiful6不规则变化的靠背熟good/well-better-bestill/bad-worse-worstlittle-less-leastmuch/many-more-mostfar-farther/further-farthest/furthestold-older/elder-oldest/eldest三、用法1、原级用法:.as+adj/adv.的原级+as,否定式(not)so...asTherulerisaslongasthatone.HesingsaswellasJack.Hedoesn’tsingas(so)wellasJack.2、比较级用法:1）.表示两者之间做比较要用比较级。常用句型：A+am/is/are+adj.的比较级+than+B2）.比较级+and+比较级,表示“越来越”warmerandwarmer,nicerandnicer,moreandmorebeautiful,3）.the+比较级„,the+比较级Themoreyoureadthebook,themoreinterestingyoufound.4）.比较级的修饰语有:much,far,even,alittle,abit,alot,等3、最高级用法:1）.形容词最高级用于三者或三者以上做比较常用在in,of或among的结构中,形容词最高级前+theIamthebestofthethree.Heisthethinnestboyinmyclass.2）.副词最高级不需+theJimgoestobedlatestinmyfamily.Herunsfastestinourclass.一.根据句意，用所括号内形容词的比较等级形式填空：1.Mr.Smithis_________maninthisoffice.(rich)2.Winteris_________seasonoftheyears.(cold)3.Thisradioisnotso________asthatone.(cheap)4.Itismuch_______todaythanyesterday.(hot)5.Sheisalittle________thanherclassmates.(careful)6.________peoplecametothemeetingthanlasttime.(many)7.Whichbookis________,thisoneorthatone?(easy)8.Myroomis_______thanyours.(small)9.Hainanis_______fromBeijingthanHunan.(far)10.Skatingis_______thanswimming.(exciting)11.Jimis_______thanalltheothers.(honest)12.Thingsaregetting_______and_______.(bad)13.Thehigheryouclimb,the_______itwillbe.(cold)14.Nowhislifeisbecoming________and_______.(difficult)15.Thereare_______boysthangirlsinourclass.(few)二、用所给词的正确形式填空：1.Bobis_________(young)thanFredbut__________(tall)thanFred.2.Yingtianisnotas___________(tall)asYongxian.3.Almostallthestudents'facesarethesamebutLiDeminglooks_______(fat)thanbefore.4.Whichis_________(heavy),ahenorachicken?5.--How_________(tall)isSally?--She's1.55metres_______(tall).WhataboutXiaoling?--She'sonly1.40metres______(tall).Sheismuch_______(short)thanSally.Sheisalsothe_______(short)girlinherclass.6.Heis______(bad)atlearningmaths.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.7.AnniesaysSallyisthe________(kind)personintheworld.8.Heisoneofthe_______(friendly)peopleintheclass,Ithink.9.Adictionaryismuch_____(expensive)thanastory-book.10.Anorangeisalittle______(big)thananapple,butmuch________(small)thanawatermelon.11.MissChenis______________thanMr.Wang.(popular)12.Mr.Lin_________________________Mr.Brown.(sad)13.Thebasketball__________________thebaseball.(big)14.QuestionA_____________________QuestionB.(important)15.Arose__________________________________aweed(野草).(beautiful)16.Torontois___________cityinCanada.(large)17.Playingcomputergamesis________________ofalltheactivities.(interesting).18.TheNile(尼罗河)is_________riverintheworld.(long)19.Goodhealthis______________________(important)thingforone’slife.20.Takingataxiis_________waytogettotheairport.(easy)21.Test1is_____________________ofallthetests.（difficult）22.Heis________thananyotherboyintheclass.（clever）23.Sheis_______thanalltheotherstudents.(young)24.Thewindowis________________ofthetwo.(narrow)25.Whereisthe________bus-stop?(near)26.Heisoneof__________________Politicians.(famous)27.Tomdrivesmuch________________thanJohn.(careful)28.Thewhitefloweris________(beautiful).Theyellowfloweris_____________(beautiful)thanthewhiteflower.Theredfloweristhe___________ofthethree.29.Mybrotheristwoyears__________(old)thanme.30.Tomisas________(fat)asJim.31.Isyoursister__________(young)thanyou?Yes,sheis.32.Whois___________(thin),youorHelen?Helenis.33.Whosepencil-boxis__________(big),yoursorhers?Hersis.34.Mary’shairisas__________(long)asLucy’s.35.Ben______(jump)________(high)thansomeoftheboysinhisclass.36.________Nancysing__________(well)thanHelen?Yes,she_____.37.Fangfangisnotas_________(tall)astheothergirls.38.Myeyesare__________(big)than________(she)..39.Whichis___________(heavy),theelephantorthepig?40.Whogetsup_________(early),TimorTom?41._____thegirlsgetup_______(early)thantheboys?No,they______.42.Jimruns_____(slow).ButBenruns_____(slow).43.Thechilddoesn’t______(write)as____(fast)asthestudents.43.Heisas________(careful)asme,butMarydoesn’tdoherhomeworkas______asme.三、选择填空1．Hefeels_____todaythanyesterday.A.tiredB.moretiredC.moretirederD.muchtired2.Whichdoyoulike_____,coffee,teaormilk?A.theworstB.worseC.theworseD.worst3Thisbookis____thatone,but____thanthatone.A.asdifficultas;expensiveB.asmoredifficultas;moreexpensiveC.asdifficultas;moreexpensiveD.moredifficultas;asexpensive4Ithinkthestoryisnotso___asthatone.A.interestingB.intere