形容词的比较级和最高级大多数形容词有比较级等级的变化,即原级、比较级和最高级,用来表示事物的等级差别,原级即形容词的原形,比较级和最高级有规则变化和不规则变化两种。1.规则变化单音节词和少数双音节词,加词尾-er,-est来构成较级和最高级。其他双音节词和多音节词,在前面加more,most来构成比较级和最高级。原级比较级最高级beautifulinterestingimportant(重要的)morebeautifulmoreinterestingmoreimportantmostbeautifulmostinterestingmostimportant2.不规则变化原级比较级最高级good(好的)well(健康的)betterbestbad(坏的)ill(有病的)worseworstoldolder(elder)oldest(eldest)manymuch(多的)moremostlittle(少的)lessleastfar(远的)farther(further)farthest(furthest)形容词比较级最高级练习题一、写出下列形容词的比较级和最高级1.old______________2.busy__________________3.thin________________4.many__________________5.slow_____________6.delicious_______________二、用适当形式填空:1.Bobis________(young)thanFredbut__________(tall)thanFred.2.Heis______(bad)atlearningmaths.Heismuch_______(bad)atChineseandheis构成法原级比较级最高级一般单音节词末尾加-er,-esttallgreattallergreatertallestgreatest以不发音的e结尾的单音节词和少数以-le结尾的双音节词只加-r,-stnicelargeablenicerlargerablernicestlargestablest以一个辅音字母结尾的闭音节单音节词,双写结尾的辅音字母,再加-er,-estbigthinhotbiggerthinnerhotterbiggestthinnesthottest“辅音字母+y”结尾的双音节词,改y为i,再加-er,-estearlyeasyearliereasierearliesteasiest少数以-er,-ow结尾的双音节词末尾加-er,-estclevernarrowcleverernarrowercleverestnarrowestthe_________(bad)atEnglish.3.AnniesaysSallyisthe________(kind)personintheworld.4Adictionaryismuch_________(expensive)thanastory-book.5.Anorangeiaalittle______(big)thananapple,butmuch________(small)thanawatermelon.6.Playingcomputergamesis________________ofalltheactivities.(interesting).7.TheNile(尼羅河)is______________riverintheworld.(long)8.Goodhealthis______________________thinglife.(important)9.Takingataxiis_____________waytogettotheairport.(easy)10.Sheis_______thanalltheotherstudents.(young)11.Whereisthe________bus-stop?(near)12.Tomdrivesmuch________________thanJohn.(careful)13.Thewhitefloweris________(beautiful).Theyellowfloweris_____________(beautiful)thanthewhiteflower.Theredfloweristhe___________ofthethree.三、选择题1.Sheis________than________.A.busier/usB.busier/weC.morebusy/usD.morebusy/we2.Chinais________countryintheworld.A.thethirdlargestB.thelargestthirdC.thethirdlargeD.athirdlargest3.-Whichis____seasoninBeijing?-Ithinkit'sautumn.A.goodB.betterC.bestD.thebest4.Sheisoneof___________inourschool.A.mostpopularstudentsB.morepopularstudentC.themostpopularstudentsD.themostpopularstudent5.TheairinBeijingisgettingmuch_____nowthanafewyearsago.A.cleanB.cleanerC.cleanestD.thecleanest6._______treeswehave,________airwillbe.A.more,freshB.themore,thefresherC.most,frestestD.themost,thefrestest7Jennyis__________ofthetwogirls.AfuunyBfunniestCthefunnierDfunnier8.TheYellowRiverisoneof______riversinChinaAlongBlongerCthelongest9.Sheisthesecond_______studentinourclass.A.tallB.tallerC.tallest