比较级和最高级

邓辉霞学生姓名孔昱文教材版本沪教版学科英语年级九上课时间4月17日19：00-21：00课题形容词和副词的比较级和最高级学难教重点双音节词变比较级和最高级知识疏理常考知识点一：形容词的比较级和最高级的构成（1）.以不发音的e结尾，直接加-r或-st:学难教重点双音节词变比较级和最高级nice—nicer—nicestlarge—larger—largest（2）.以辅字母+y结尾的，变y为i，再加-er或-est:easy—easier—easiesthappy—happier—happiest（3）.以"辅元辅”结尾的，双写末尾字母，再加-er或-est:big—bigger—biggest常见的还有：thin,fat,wet,red,sadhot—hotter—hottest（4）.不规则变化：（两好两坏两许多，一老一少远距离）good/well—better—bestbad/ill—worse—worstmany/much—more—mostlittle（少）一less—leastold—older/elder—oldest/eldestfar—farther/further—farthest/furthest（5）.单音节单词和部分以er,ow,le结尾的双音节单词，直接在词尾加-er或-est。small—smallershort—shorterclever-clerverernarrow-narrowersimple-simpler注意：形容词+ly构成的双音节副词加more,most构成比较级和最高级如：slowly-moreslowly-mostslowlyquickly-morequickly-mostquickly以ly结尾的双音节形容词加er,est构成Early-earlier-earliestugly-uglier-ugliestlovely-lovelier-loveliestlikely-likelier-likeliestfriendly-friendlier-friendliest（6）.对于多音节单词，在其前加more，most即可。popular—morepopular—themostpopulardelicious—moredelicious—themostdelicious【中考题】1.ThisT-shirtisnotlargeenough.Pleaseshowmeaone.A.largeB.largerC.largest2.Sheisthe（good）studentinherclass.注意：tired—moretiredpleased—morepleasedoften--moreoften常考知识点二：含有比较级的句型结构Ais...thanB:A比B更....Theearthisbiggerthanthemoon.Adosth...thanB:A比B更.…Heworksharderthanus.【中考题】Chinahasbecomemuch(strong)thanbefore.Weareproudofher.Which/Whois....,AorB?"A和B哪个/谁更...？”...and...“越来越...”Whenspringcomes,thedaysaregettinglongerandlonger.moreandmore..."越来越...”Thesongisbecomingmoreandmorepopular.【中考题】Manypeopleprefertravelbyplane.Theythinkaplaneisfasterand(safe)thanatrain.the....,the...“越...就越...”Thebusierheis,thehappierhefeels.Themoreyouhave,themoreyouwant.【中考题】---CanyoutellmewhyyoulearnEnglishsowell?---It'sverysimple.youwork,gradesyouwillget.A.Theharder,thebestB.Thehard,thebetterC.Harder,BetterD.Theharder,thebetter常考知识点三：比较级的修饰语当强调比较级的程度时，可以在形容词(或副词)的前面使用much,alittle,alot,even,still等。注意：quiet,so,very,enough这些词后面不能接比较级。只能接原级。Itismuchcoldertodaythanyesterday.Myappleisalittlebiggerthanyours.【中考题】Thefirstcomputerswerebuiltinthe1940s.Theywereeven(big)thancars.使用形容词比较级时的三个注意事项(易错点):比较的对象前后要保持一致。(V)ThepopulationofShanghaiislargerthanthatofBeijing.(x)ThepopulationofShanghaiislargerthanBeijing.避免将主语包含在比较对象中。(V)ChinaisbiggerthananycountryinAfrica.(x)ChinaisbiggerthananyothercountryinAfrica.避免重复使用比较级：(V)Heisclevererthanhisbrother.(x)Heismoreclevererthanhisbrother.【中考题】Tomis(tall)thananyotherplayersintheschoolteam.

A.tallB.tallerC.tallestD.moretaller常考知识点四：形容词最高级的用法形容词最高级用于三者及以上的比较，表示在一定范围内“最...”。范围通常用in/of/among...来表达。形容词的常考句型：Heisthetallestinhisclass.HeHeisthetallestinhisclass.Heisthetallestofthethreeboys.Heisthetallestamongthethreeboys.mealoftheday.Itprovidesuswithenergyafteralong或Aisthe...of....或Aisthe...among....D.very【中考题】BreakfastisnightwithoutD.veryA.importantB.moreimportantC.themostimportantimportantAisoneofthe最高级+复数名词A是最…的之一。JayChouisoneofthemostpopularsingersinTaiwan.Chinaisoneofthelargestcountriesintheworld.【中考题】---Whatdoyouthinkofthefilmyousawyesterday?D.the---Oh!It'soneoffilmsI'veeverD.theA.interestingB.moreinterestingC.mostinterestingmostinterestingAisthefirst最高级+复数名词A是第一最…的...TheChangjiangRiveristhefirstlongestriverinourcountry.【中考题】印度是世界上第二人口大国。Indiahasthepopulationintheworld.Which/Whoisthe...,A,BorC?A,B和。哪个/谁最...？Whichisthebiggest,thesun,theearthorthemoon?Whoisthethinnest,Kate,TomorMike?五(1)和冠词连用广the+形容词原级+v(复)，指一类人或物*the+形容词比较级，指两者中"较...的”的那一^,eg.theyoungerofthetwo-a/an+形容词比较级eg.Thepenisexpensive.Iwantacheaperone.(a)+most+形容词最高级"非常...”eg.amostbeautifulcity(2)相关结构原级比较：肯定句as^.as^.,否定句notso/as^.as.....比较句：比较级+than....或more(less)...than.....Thefurnitureinthisshopislessbeautifulthanthatinthatshop.(注意代词that的用法)比较级+and+比较级或moreandmore+比较级"越来越…”richerandricher,moreandmoreinterestingThemore.....,themore....."越…,越...”Themoreyoulookatthepicture,thebetteryouwilllikeit.5)比较级+thananyother+n.(单)(适用于范围一致时)一(all)other+n.(复)any+n.(单)(适用于范围不一致时)Heistallert.ananyotherstudent/allotherstudentsinhisclass.Lanystudentinmyclass.6)倍数表达法。Aisthree(four,etc.)timesthesize(height,lengthetc.)ofB.Aisthree(four,etc.)timesasbig(high,long,etc.)asB.-Aisthree(four,etc.)timesbigger(higher,longer,etc.)thanB.用times表倍数通常用于三倍以上，两倍可以用Mee或double.Thenewbuildingisfourtimesthesize(theheight)oftheoldone.这座新楼比那座旧楼大三倍(高三倍)。AsiaisfourtimesaslargeasEurope.亚洲比欧洲大三倍。Yourschoolisthreetimesbiggerthanours.你们的学校比我们的学校大三倍。典型例:选择填空练习一1.Thisboxisthatone.A.heavythanB.soheavythanC.heavierasD.asheavyasWhenwespeaktopeople,weshouldbe.A.aspoliteaspossibleB.aspoliteaspossiblyC.aspolitelyaspossibleD.aspolitelyaspossiblyThisbookisthatone,butthanthatone.A.asdifficultas;expensiveB.asmoredifficultas;moreexpensiveC.asdifficultas;moreexpensiveD.moredifficultas;asexpensiveIthinkthestoryisnotsoasthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting练习二1.Ithinkscienceis_thanJapanese.A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant()2Thispencilisthanthatone.A.longestB.longC.longerD.aslong()3Mymotherisnoyoung.A.shorterB.longerC.littleD.few练习三()1Whenwearrived,wefoundthemeetingroomcrowdedwithstudents.A.quiteafewB.onlyafewC.fewD.afewquite2Thehouseis--smallforafamilyofsix.A.muchtooB.toomuchC.verymuchD.soThejacketwassothathedecidedtobuyit.A.muchB.littleC.expensiveD.cheap练习四()1Yourroomis---mine.A.twiceaslargethanB.twicethesizeofC.biggertwicethanD.astwicelargeas()2Yourroomisthanmine.A.threetimebigB.threetimesbigC.threetimesbiggerD.biggerthreetimes()3Hisfatheristhanhismother.A.olderfouryearsB.asfouryearsolderC.fouryearsolderD.biggerfouryears练习五：()1Mathsismorepopularthan.A.anyothersubjectB.allthesubjectsC.anysubjectD.othersubject()2ChinaislargerthaninAfrica.A.anyothercountryB.othercountriesC.theothercountryD.anycountry()3Tomisstrongerthaninhisclass.A.anyotherboyB.anyboysC.anyboyD.otherboy()4.ShanghaiislargerthaninIndia.A.anyothercityB.anycityC.othercitiesD.anycities练习六Whenspringcomes,itgets.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorterByandby,studentsinourclasscametolikeEnglish.A.moreandmoreB.muchandmuchC.manyandmanyD.lessandleastWhenspringcomesthedaysgetandnights.A.short;longB.long;shortC.longer;shorterD.shorter;longer练习七1Ilookatthepicture,Ilikeit.A.Thebest;themoreB.Themore;thelessC.Themore;lessD.More;themorehereadthebook,hegotinit.A.Themore;themoreinterestingB.Theless;themoreinterestingC.Themore;themoreinterestedD.More;moreinterestedyoucomeback,itwillbe.A.Thequicker;thebestB.Thesooner;thebetterC.Faster;thebetterD.Thesooner;better练习八1Ilikeoneofthetwobooks.A.theolderB.oldestC.theoldestD.older()2Whichiscountry,ChinaorJapan?A.thelargeB.thelargerC.largerD.largest()3Ofthetwocups,hebought--.A.thesmallerB.thesmallestC.smallD:smaller练习九()1Whichdoyoulike,teaorcoffee?A.wellB.betterC.bestD.most()2Thisworkisformethanforyou.A.difficultB.mostdifficultC.muchdifficultD.moredifficult()3Whichdoyouthinktastes,thechickenorthefish?A.goodB.betterC.bestD.well练习十()1Whojumpedofall?A.farB.fartherC.farthestD.themostfar()2LiLeiisstudentinourclass.A.tallB.tallerC.tallestD.thetallest()3Thefifthorangeisofall.Giveittothatsmallchild.A.bigB.biggerC.thebiggerD.thebiggest()4Whois---ofyouthree?A.theoldestB.mucholderC.oldestD.older()5Johnisofthetwoboys.A.carefulB.morecarefulC.themorecarefulD.themostcareful()6ofthetwowomenisMrs.Brown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful练习十一()1Tomisoneofboysinourclass.A.tallestB.tallerC.thetallestB.thetall()2Englishisoneofspokenintheworld.A.theimportantlanguagesB.themostimportantlanguagesC.mostimportantlanguage

D.themostimpo