比较级和最高级的构词规则ppt课件

形容词比较级和最高级的构词规则,1,一、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,high2.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,rude,2,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,wet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),3,二、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.,4,Readandcompare:,younglongfullshortsmalloldfineeasyhungryearlyheavybigred,youngeryoungest,longerlongest,fullerfullest,shortershortest,smallersmallest,olderoldest,finerfinest,easiereasiest,hungrierhungriest,earlierearliest,heavierheaviest,biggerbiggest,redderreddest,5,healthymanyfamousillexcitingcarefullywethotlittlefew,healthierhealthiest,moremost,morefamousmostfamous,worseworst,moreexcitingmostexciting,morecarefullymostcarefully,wetterwettest,hotterhottest,lessleast,fewerfewest,6,I.原级用法:*1.as+adj/adv.的原级+as(肯,否),(not)soas(否)eg.Therulerisaslongasthatone.HesingsaswellasJack.Hedoesntsingas(so)wellasJack.2.asmuchas,asmanyas与一样多eg.Ihavedoneasmuchworkashedidyesterday.Youcantakeasmanybooksasyoucan.,7,II.比较级用法:1.比较级+than比较级+and+比较级,表示“越来越”eg.warmerandwarmer,nicerandnicer,moreandmorebeautiful,moreandmorefunthe+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.,8,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)city,2.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/anybody,else,ShanghaiislargerthananycityinAfrica.,city,9,IV.OthersAlicesdietwaslesshealthythanDannysdiet.(不如)(morethan胜于)ThisT-shirtisthesamesizeasthatone.Theredshirtisfiveyuancheaperthanthatblueone.Whichistheleastinterestingfilmyouveeverseen?ThisparkisthreetimesasbigastheSummerPalace.(倍数+asas)Thisbookcosttwiceasmuchasthatone.,+n.,*adj.&adv:hard,fast,early,late,high,etc.,10,IthinkEnglishisasasmaths.D.importanterimportantB.moreimportantC.mostimportant2.Mothergetsupinmyfamily.earlyB.earlierC.earliestD.theearlier3.ThenextmorningJennygotupeven.earlyB.earlierC.earliestD.theearliest4.Emilysingsofthefivegirls.goodB.wellC.betterD.best5.Infact,Deliaisalittlethanhereldersister.tallB.tallerC.tallestD.thetallest6.HeididoesnotjumpsoasJane.A.highB.higherC.highestD.thehighest,11,7.Ofallthestarsthesunistous.closeB.closerC.closestD.theclosest8.Barbarafeltmuchthanbeforeafterdark.coldB.colderC.coldestD.thecoldest9.Thisjacketissmallerthanthatonebutits.expensiveB.moreexpensiveC.mostexpensiveD.themostexpensive10.Ourcountryhasbecomeinthepast20years.moreandmorerichandstrongmorericherandmorestrongerC.morerichandmorestrongD.richerandstronger,12,11.WilliamShakespeareisoneofplaywritersinEngland.greatB.greaterC.greatestD.thegreatest12.-WhatdoyouthinkofMissListeaching?-Oh,nooneelseteaches.goodB.wellC.fineD.better13.ThepopulationofJapanisthanthatofChina.A.fewerB.smallerC.largerD.more14.ThenextdayJimwasverywetagain,andhismotherbecameangrier.veryB.moreC.evenD.ever15.Tomismorecarefulthananyinhisclass.A.boyB.otherboysC.boysD.otherboy,13,16.playwritersinEngland.greatB.greaterC.greatestD.thegreatest12.-WhatdoyouthinkofMissListeaching?-Oh,nooneelseteaches.goodB.wellC.fineD.better13.ThepopulationofJapanisthanthatofChina.A.fewerB.smallerC.largerD.more14.ThenextdayJimwasverywetagain,andhismotherbecameangrier.veryB.moreC.evenD.ever15.Tomismorecarefulthananyinhisclass.A.boyB.otherboysC.boysD.otherboy,14,Dosomeexercises,同义句转换,Heisthetalleststudentinhisclass.Heis_studentinhisclass.Heis_studentsinhisclass.Peterdrawswell,Lileidrawsbetter.Lileidraws_ofthetwo.Thetractorgoesfasterthanthebike.Thebikegoes_thanthetractor.Hiscakesdearerthanthetwinscakes.Hiscakeis_ofthethree.,tallerthananyother,tallerthantheother,better,moreslowly,thedearest,15,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.mybrothersD.Lucys,C,C,B,D,A,C,C,16,8.Thereispaperhere.Pleasebringsome.A.littleB.lessC.fewerD.alittle9.Thepenisthanthatone.A.morecheapB.cheapC.muchcheaperD.quitecheaper10.TomspeaksChinesebetterthanJimmy.A.moreB.veryC.alotofD.much11.TherearegirlsinClassTwothaninClassFour.A.moreB.nicestC.mostD.best12.Itstooforyoutodothat.A.easyB.moredangerousC.harderD.theeasiest13.Whohasapplesnow,Jim,LilyorLucy?A.muchB.biggestC.betterD.themost14.Youhavemorerulersthanme.Butarenicerthan.A.mine,yoursB.mine,yourC.my,yoursD.my,your15.TingtingisthanMeimei,butMeimeiisthanTingting.A.tall,strongerB.taller,strongestC.tallest,strongD.taller,stronger,A,C,D,A,A,D,A,D,17,16.Motherisinmyfamily.A.busyB.busierC.thebusiestD.morebusy17.ThereareintheparkonSunday.A.morechildrenB.alotofpeople