形容词比较级最高级讲解--小学英语(附练习)

形容词的比较级和最高级A.按规则变化①单音节和少数双音节单词②部分双音节与多音节的词比较级在原级之前加more,最高级在原级之前加mostbeautiful---morebeautiful---mostbeautifulinteresting---difficult---B.不规则变化的形容词:原级比较级最高级little/fewlessleastgoodbetterbestbadworseworst构成原级比较级最高级一般词尾加-er,-esttalllongoldsmalltallerlongeroldersmallertallestlongestoldestsmallest以字母e结尾的形容词或副词,直接加-r,-stnicefinelargenicerfinerlargernicestfinestlargest以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双写该字母,再加-er,-estbighotfatthinbiggerhotterfatterthinnerbiggesthottestfattestthinnest以“辅音字母+y”结尾的形容词或副词，把y变为i，再加-er,-estheavybusyearlyeasyheavierbusierearliereasierheaviestbusiestearliesteasiestfarfurtherfurthest用法：as+原级+asI'mastallasyou.be+比较级+thanBobistallerthanJohn.be+最高级+of/in（范围）Johnisthetallestofthethree.（最高级一定要加the）Johnisthetallestinhisclass.巩固练习：(一)写出以下各形容词的比较级和最高级：1.nice______________________2.fat____________________3.slow_____________________4.dry____________________5.happy____________________6.wet____________________7.much____________________8.ill_____________________9.little_____________________10.bad___________________11.thin______________________12.far____________________13.early_____________________14.careful_________________15.exciting___________________16.busy__________________(二)根据句意，用所括号内所级形容词的比较等级形式填空：1.Mr.Smithis_________maninthisoffice.(rich)2.Winteris_________seasonoftheyears.(cold)4.Itismuch_______todaythanyesterday.(hot)5.Sheisalittle________thanherclassmates.(careful)6.________peoplecametothemeetingthanlasttime.(many)7.Whichbookis________,thisoneorthatone?(easy)8.Myroomis_______thanyours.(small)9.Hainanis_______fromBeijingthanHunan.(far)10.Skatingis_______thanswimming.(exciting)11.Jimis_______thanalltheothers.(honest)12.Thingsaregetting_______and_______.(bad)13.Thehigheryouclimb,the_______itwillbe.(cold)14.Nowhislifeisbecoming________and_______.(difficult)（三）用适当形式填空：1.Bobis_________(young)thanFredbut___________(tall)thanFred.2.Almostallthestudents'facesarethesame,butLiMinglooks_______(fat)thanbeforeafterthesummerholidays.3.Whichis_________(heavy),aduckorachicken?4.I’m______________(good)ofall.5.--How_________(tall)isSally?--She's1.55meters________(tall).--WhataboutXiaoLing?--She'sonly1.40meters________(tall).Sheismuch_______(short)thanSally.Sheisalsothe_______(short)girlintheclass.6.Heis______(bad)atlearningmath.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.7.AnniesaysSallyisthe________(kind)personintheworld.8.Heisoneofthe_________(friendly)peopleintheclass,Ithink.9.Adictionaryismuch_________(expensive)thanastory-book.10.Anorangeisalittle______(big)thananapple,butmuch________(small)thanawatermelon.11.TheChangjiangRiveristhe_______(long)riverinChina.12.Sueisalittle___________________(beautiful)thanhersister.