形容词比较级和最高级的构成

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形容词比较级和最高级的构成1.规则变化单音节词和少数多音节词:○1一般直接加-er,estlong→longer→longesttall→taller→tallest○2以不发音的e结尾时加-r,-stlate→later→latestlarge→larger→largest○3以辅音字母加y结尾时把y变成i,再加-er,-est.easy→easier→easiesthappy→happier→happiesthappily→happilier→happiliest○4以重度闭音节结尾且末尾只有一个辅音字母时,双写最后的辅音字母,再加-er,-est.big→bigger→biggesthot→hotter→hottest○5多音节词和部分双音节词,在原级前加more,themost.careful→morecareful→mostcarefulbeautiful→morebeautiful→mostbeautiful2.不规则变化原级比较级最高级good/wellbetterbestbad(ly)/illworseworstmany/muchmoremostlittlelessleastfarfartherfarthest重点句型:原级比较1)肯定句:A…..+as+形容词原级+as+BEnglishisasinterestingasChinese.Thisbookisasthickasthatone.2)否定句:A…..+as/so+形容词原级+as+BTomisnotsotallasTim.Thisvillageisnotasbigasthatone.比较级1.表示两者进行比较时,A…+比较级+than+B.Lily’sroomisbiggerthanmine.Myclassroomissmallerthanhers.2.有表示程度的副词alittle,abit,agreatdeal,alot,much,even,still,far,rather,any等修饰形容词时,It’smuchcoldertodaythanyesterday.Thisbottleisalittlebiggerthanthatone.为了避免重复,在从句中常用theone,that,those等词代替前面出现过的词,其中theone代替可数名词单数形式,theones和those代替可数名词的复数形式,that代替不可数名词。TheweatherofTianjiniscolderthanthatofGuangzhouinwinter.ThecarsmadeinGermanyisbetterthanthosemadeinJapan.3.表示两者之间进行选择,“哪一个更…..”时,用句型“Which/whois+形容词比较级,AorB?”Whoisthetaller,LimingorWangtao?Whichoneisthelonger,thepenorthepencil?4.表示“越来越……”,用比较级的重叠结构,即“比较级+and+比较级”,当形容词为多音节词或部分双音节词时,用“moreandmore+形容词原级”。It’sgettingwarmerandwarmerinspring.It’scolderandcolderinwinter.5.表示“越….,就越….”时,用“the+比较级,the+比较级”结构Themore,thebetter.Themoreyoueat,thefatteryouwillbe.最高级1.表示三者或三者以上的人或物的比较,最高级前必须加定冠词the,句末常跟in/of短语来表示范围。ShanghaiisthebiggestcityinChina.Timisthetalleststudentinmyclassroom.2.表示三者或三者以上的人或物进行选择时,用“Which/Whoisthe+最高级,A,BorC?”Whichcityisthemostbeautiful,Beijing,ShanghaiorFuzhou?Whoisthebeststudent,Lily,LucyorBetty?3.表示最…..的….之一时,用“oneofthe+形容词最高级”结构,该形容词后面的名词要用复数形式。ZhouJielunisoneofthemostpopularsingers.GongliisoneofthemostbeautifulactressesinChina.4.形容词最高级前面可以加序数词,表示第几最…..TheYellowRiveristhesecondlongestriverinChina.5.形容词最高级前可以有物主代词、指示代词、名词所有格等修饰,此时不能再用定冠词。Thisisourbestlessontoday.Fridayismybusiestdayinaweek.6.形容词比较级结构可以表示最高级含义。LiLeiisthetalleststudentinhisclass(李雷是他班上最高的同学)=LiLeiistallerthananyotherstudentinhisclass.=LiLeiistallerthantheotherstudentsinhisclass.=LiLeiistallerthananyoneelseinhisclass.=NooneisastallasLiLeiinhisclass.=NooneistallerthanLiLeiinhisclass.=LiLeiistallerthananyoftheotherstudentsinhisclass.=LiLeiistallerthantherestofstudentsinhisclass.单项选择()1.Apigis__thanadog.A.muchheavyB.moreheavierCmuchheavierD.moreheavy()2.--Whichis__seasoninBeijing?--Ithinkit’sspring.A.goodB.wellC.bestD.thebest().Thecityisbecoming______.A.morebeautifulandmoreB.morebeautifulandbeautifulC.moreandmorebeautifulD.morebeautifulandbeautifuler()4.WhichdoesAlicelike_____,ChineseorArt?A.wellB.bestC.betterD.much()5.TheChangjiangRiverisoneof____intheworld.A.thelongestriverB.longestriversC.thelongestriversD.longerrivers()6.LiMingspeaksChinese_____betterthanme.A.veryB.moreC.alotofD.much()7.Thereare____boysinClassTwothaninClassFour.A.moreB.manyC.mostD.best()8.Whohas_____orangesnow,Jim,LilyorLucy?A.muchB.biggestC.betterD.themost()9.Motheris_____inmyfamily.A.busyB.busierC.thebusiestD.more()10.Nooneis_____Lucyintheclass.A.sotallestasB.astallerasC.sohighasD.astallas用适当形式填空:1.Yingtianisnotas___________(tall)asYongxian.2.Whichis____________(heavy),ahenorachicken?3.--How__________(tall)isSally?--She's1.55metres________(tall).WhataboutXiaoling?--She'sonly1.40metres________(tall).Sheismuch________(short)thanSally.Sheisalsothe___________(short)girlintheclass.4.Heis_______(bad)atlearningmaths.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.5.Anorangeiaalittle______(big)thananapple,butmuch________(small)thanawatermelon.6.MissChenis___________________thanMr.Wang.(popular)7.Arose__________________________________aweed(野草).(beautiful)8.Goodhealthis______________________thinginourlife.(important)9.Heis________thananyotherboyintheclass.(clever)10.Whereisthe________bus-stop?(near)11.Tomdrivesmuch________________thanJohn.(careful)12.Englishisoneof__(important)_________(科目)inourschool.13.Who’sthethird(heavy)inyourclass?14.YouspeakEnglishmuch(well)thanbefore.15.(hard)youwork,(good)gradesyou’llget.16.He’s(funny)personthatIhaveseen.【巩固练习】()1.-Rememberthis,children.____carefulyouare,______mistakesyouwillmake.-Weknow,Mr.Li.A.Themore;themoreB.Thefewer;themoreC.Themore;thefewerD.Theless;theless()2.-Mum,Iwasthefirsttoreachthetopofthemountain.-Goodjob,Jack!I'm____ofyou.A.carefulB.proudC.tiredD.afraid()3.-It'soneofthe____thingsintheworldtostaywithfriends.-Iagree.Italwaysmakesusrelaxed.A.worstB.happiestC.busiestD.hardest()4.-Whatdoesyourbrotherlooklike?-Heis_.A.fineB.niceandfriendlyC.goodD.tallandhandsome()5.It'sreally_____thatatortoisecan______150yearsold.A.amazed;livetoB.amazed;liveuptoC.amazing;liveupD.amazing;liveto()6.Inagreenschool,everyoneagreestobe_______abouttheenvironment.A.nervousB.carefulC.honestD.rude()7.-Dad,wouldyoupleasedrive______?-Nohurry.Wehaveenoughtimebeforetheplanetakesoff.A.fasterB.moreslowlyC.morecarefullyD.slowier()8.Lanzhouist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