形容词比较级和最高级

形容词1、形容词表示某一事物或人的特征，副词表示某一动作的特征。形容词和副词有三种形式：原形、比较级、最高级。比较级：+er、more+；最高级：the…+est、most两个重要特征：as……as中间一定用原形，than的前面一定要+er。2.形容词、副词比较级和最高级有规则变化和不规则变化1）规则变化2）不规则变化：原级比较级最高级many/muchlittle/fewgood/wellbad/illfarold(表新旧)(表兄弟姊妹之间的长幼)3）比较级前的修饰词：much,even甚至,(by)far大大地,alittle有点,abit有点,still,yet,alot很,非常构成方法原级比较级最高级单音节词和少数多音节词一般在词尾加-er/ə/或-est/ist/coldfast以字母e结尾的形容词，加-r或-estnicelarge重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加-er或-estbighot以“辅音字母+y”结尾的双音节词，先改“+y”结尾的双音节词，先改“y”为“i”,再加-er或-esteasyearly多音节词和部分双音节词在词前加more或mosttiredeasily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: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：good—better—bestmany/much—more—most(好坏多少远老)bad—worse—worstlittle(少)—less—leastfar—farther/further—farthest/furthestold—older/elder—oldest/eldest（5）.其他较短的单词，直接在词尾加-er或-est。small—smallershort—shorter（6）.对于较长的单词，在其前加more，most即可。popular—morepopular—themostpopulardelicious—moredelicious—themostdelicious【中考题】1.ThisT-shirtisnotlargeenough.Pleaseshowmea_______one.A.largeB.largerC.largest2.Sheisthe____________(good)studentinherclass.注意：下列词为易错，few—fewernew—newer—newestclever—cleverertired—moretiredpleased—morepleased常考知识点二:含有比较级的句型结构1)Ais...thanB:A比B更....Theearthisbiggerthanthemoon.2)Adosth...thanB:A比B更....Heworksharderthanus.【中考题】Chinahasbecomemuch__________(strong)thanbefore.Weareproudofher.3)Which/Whois....,AorB?“A和B哪个/谁更...?”4)...and...“越“越来越...”Whenspringcomes,thedaysaregettinglongerandlonger.5)moreandmore...“越来越...”Thesongisbecomingmoreandmorepopular.【中考题】Manypeopleprefertravelbyplane.Theythinkaplaneisfasterand_______(safe)thanatrain.6）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)：1)比较的对象前后要保持一致。(√)ThepopulationofShanghaiislargerthanthatofBeijing.(×)ThepopulationofShanghaiislargerthanBeijing.2)避免将主语包含在比较对象中。(√)ChinaisbiggerthananycountryinAfrica.(×)ChinaisbiggerthananyothercountryinAfrica.3)避免重复使用比较级：(√)Heisclevererthanhisbrother.(×)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：1)Aisthe...in....Heisthetallestinhisclass.或Aisthe...of....Heisthetallestofthethreeboys.或Aisthe...among....Heisthetallestamongthethreeboys.【中考题】Breakfastis________mealoftheday.Itprovidesuswithenergyafteralongnightwithoutfood.A.importantB.moreimportantC.themostimportantD.veryimportant2)Aisoneofthe最高级+复数名词A是最...的之一。JayChouisoneofthemostpopularsingersinTaiwan.Chinaisoneofthelargestcountriesintheworld.【中考题】---Whatdoyouthinkofthefilmyousawyesterday?---Oh!It’soneof___________filmsI’veeverseen.A.interestingB.moreinterestingC.mostinterestingD.themostinteresting3)Aisthefirst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。Indiahasthe__________________populationintheworld.4)Which/Whoisthe...,A,BorC?A,B和C，哪个/谁最...?Whichisthebiggest,thesun,theearthorthemoon?Whoisthethinnest,Kate,TomorMike?Step5：【课堂训练】一、单项选择1.--LiLeiisatScience.--ButIthinkIcandothanhim.（2011中考）A.good;betterB.better;bestC.best;goodD.good;thebest2.—Whydon’tyoulikewinterinBeijing?(2010中考)—Becauseitis________winterinGuangzhou.A.ascoldasB.muchcolderthanC.notsocoldasD.notcolderthan3、—Whatshouldwedonow,Mr.Clark?（2013年黄冈，35）—PleaseturntoPage_____andlookatthe_____picture.A.Twelve;fifthB.Twelfth;fifthC.Twelve;fiveD.Twelfth;five4、—Howwasyourweekend?（2012年广州，29）—Great!Itwasmygrandfather’s______birthday.Weenjoyedourselves.A.seventyB.seventiethC.theseventiethD.seventeenth5、ThreestudentsranfasterthanLilyintherace.Lilywas________.(2012年佛山，34)A.thefourthB.fourC.thethirdD.three6、—IsBeijingacitywithalonghistory?(2012年湛江，23)—Ofcourse.AndaftertheOlympicGames,__peoplecametoBeijingforavisitduringthevacation.A.thousandsofB.thousandC.fivethousandsD.fivethousandof二、用所给词的适当形式填空。1、Shewillbemuch___________(happy)inhernewhouse.2、Ofthetwogirls,IfindLucythe___________(clever).3、---How_______(tall)isSally?---She’s1.55meters_______(tall).WhataboutXiaoling？---She’sonly1.40meters________(tall).Sheismuch_________(short)thanSally.Sheisalsothe________(short)girlintheclass.4、Sheisoneofthe___________(friendly)peopleintheclass,Ithink.5、Whichis___________(heavy),ahenorachicken?6、The__________(much),the_________(good).7、Yourclassroomis__________(wide)and__________(bright)thanours.8、Mysisteristwoyears_________(old)thanme.9、John’sparentshave3sons,andJohnisthe_________(young)child.10、Thec