比较级和最高级的构词规则

形容词比较级和最高级的构词规则一、规则变化•1.单音节和少数双音节单词，一般在词尾加“er”或“est”。•clean,tall,small,cheap,short,long,light,high•2.以不发音字母“e”结尾的单词，直接在词尾加“r”或“st”。•nice,late,close,fine,large,free,rude3.以重读闭音节结尾的单词，如果词尾只有一个辅音字母时，应先双写这一辅音字母，再加“er”或“est”。fat,big,red,thin,hot,fat,sad,wet4.以辅音字母+y结尾的单词，应先改“y”为“i”，在加“er”或“est”。happy,easy,heavy,healthy,busy,lucky,pretty,sunny,funny5、其他双音节单词和多音节单词，都在其前面加“more”或“most”。(beautiful,interesting)二、不规则变化。合二为一共三对:“坏bad”,“病ill”的比较级为worse,最高级为worst.两多many/much”的比较级为more,最高级为most.“两好good/well”的比较级为better,最高级为best.一分为二只两个，一是“远far”的比较级为farther/further,最高级为farthest/furthest.二是“老old”的比较级为older/elder，最高级为oldest/eldest.还有一词little“少”的比较级为less,最高级为least.Readandcompare:younglongfullshortsmalloldfineeasyhungryearlyheavybigredyoungeryoungestlongerlongestfullerfullestshortershortestsmallersmallestolderoldestfinerfinesteasiereasiesthungrierhungriestearlierearliestheavierheaviestbiggerbiggestredderreddesthealthymanyfamousillexcitingcarefullywethotlittlefewhealthierhealthiestmoremostmorefamousmostfamousworseworstmoreexcitingmostexcitingmorecarefullymostcarefullywetterwettesthotterhottestlessleastfewerfewestI.原级用法:***1.as+adj/adv.的原级+as(肯,否),(not)so…as(否)eg.Therulerisaslongasthatone.HesingsaswellasJack.Hedoesn’tsingas(so)wellasJack.2.asmuchas,asmanyas与…一样多eg.Ihavedoneasmuchworkashedidyesterday.Youcantakeasmanybooksasyoucan.II.比较级用法:1.比较级+than2.比较级+and+比较级,表示“越来越”eg.warmerandwarmer,nicerandnicer,moreandmorebeautiful,moreandmorefun•the+比较级…the+比较级eg.Themoreyoureadthebook,themoreinterestingyoufound.***4.比较级的修饰语有:much,far,even,alittle,alot,abit,rather,still,agreatdeal(大量)+adj./adv.比较级5.当比较级后没有than,而为ofthetwo的结构,比较级前加the.eg.ThetallerofthetwogirlsisMary.III.最高级用法:1.形容词最高级用于in,of或among的结构中,形容词最高级前+theegIamthebestof(among)thethree.Heisthethinnestboyinmyclass.2.副词最高级不需+theeg.Jimgoestobedlatestinmyfamily.)(单数)city2.比较级和最高级互换(比较时要把自己排除在外。注意比较的范围)eg.ShanghaiisthelargestcityinChina.ShanghaiislargerthananyotherinChina.Johnisthinnerthananyotherstudentintheclass.Johnisthinnerthanintheclass.eg:Johnisthethinneststudentintheclass.anyone/anybodyelseShanghaiislargerthananycityinAfrica.cityIV.Others＊Alice’sdietwaslesshealthythanDanny’sdiet.(不如)(more…than胜于)•ThisT-shirtisthesamesizeasthatone.•Theredshirtisfiveyuancheaperthanthatblueone.•Whichistheleastinterestingfilmyou’veeverseen?•ThisparkisthreetimesasbigastheSummerPalace.(倍数+as…as)•Thisbookcosttwiceasmuchasthatone.+n.**adj.&adv:hard,fast,early,late,high,etc.1.IthinkEnglishisasasmaths.D.importanterA.importantB.moreimportantC.mostimportant2.Mothergetsupinmyfamily.A.earlyB.earlierC.earliestD.theearlier3.ThenextmorningJennygotupeven.A.earlyB.earlierC.earliestD.theearliest4.Emilysingsofthefivegirls.A.goodB.wellC.betterD.best5.Infact,Deliaisalittlethanhereldersister.A.tallB.tallerC.tallestD.thetallest6.HeididoesnotjumpsoasJane.A.highB.higherC.highestD.thehighest7.Ofallthestarsthesunistous.A.closeB.closerC.closestD.theclosest8.Barbarafeltmuchthanbeforeafterdark.A.coldB.colderC.coldestD.thecoldest9.Thisjacketissmallerthanthatonebutit’s.A.expensiveB.moreexpensiveC.mostexpensiveD.themostexpensive10.Ourcountryhasbecomeinthepast20years.•moreandmorerichandstrong•morericherandmorestrongerC.morerichandmorestrongD.richerandstronger11.WilliamShakespeareisoneofplaywritersinEngland.A.greatB.greaterC.greatestD.thegreatest12.-----WhatdoyouthinkofMissLi’steaching?------Oh,nooneelseteaches.A.goodB.wellC.fineD.better13.ThepopulationofJapanisthanthatofChina.A.fewerB.smallerC.largerD.more14.ThenextdayJimwasverywetagain,andhismotherbecameangrier.•veryB.moreC.evenD.ever15.Tomismorecarefulthananyinhisclass.A.boyB.otherboysC.boysD.otherboy16.playwritersinEngland.A.greatB.greaterC.greatestD.thegreatest12.-----WhatdoyouthinkofMissLi’steaching?------Oh,nooneelseteaches.A.goodB.wellC.fineD.better13.ThepopulationofJapanisthanthatofChina.A.fewerB.smallerC.largerD.more14.ThenextdayJimwasverywetagain,andhismotherbecameangrier.•veryB.moreC.evenD.ever15.Tomismorecarefulthananyinhisclass.A.boyB.otherboysC.boysD.otherboyDosomeexercises同义句转换1.Heisthetalleststudentinhisclass.Heis________________________studentinhisclass.Heis________________________studentsinhisclass.2.Peterdrawswell,Lileidrawsbetter.Lileidraws______ofthetwo.3.Thetractorgoesfasterthanthebike.Thebikegoes___________thanthetractor.4.Hiscakesdearerthanthetwins’cakes.Hiscakeis_____________ofthethree.tallerthananyothertallerthantheotherbettermoreslowlythedearest选择填空1.WhichdoesJimmylike,ChineseorArt?A.wellB.bestC.betterD.much2.TheChangjiangRiverisoneofintheworld.A.thelongestriverB.longestriversC.thelongestriversD.longerrivers3.ofthetwowomenisMrsBrown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful4.Mymooncakeisnicerhis.A.likeB.withC.forD.than5.Youarefatterthan.A.heB.hisC.himD.heistall6.Hejumpsofthethree.A.farB.furtherC.farthestD.furthest7.Myhairislongerthan.A.mysisterB.KateC.mybrother’sD.Lucys’CCBDACC8.Thereispaperhere.Pleasebringsome.A.littleB.lessC.fewerD.alittle9.Thepenisthanthatone.A.morecheapB.cheapC.muchcheaperD.quitecheaper10.TomspeaksChinesebetterthan