形容词和副词的比较级和最高级讲解与练习

1形容词和副词的比较级和最高级讲解与练习一、变化规则①一般的比较级和最高级在形容词或副词后加-er或-est，如：small---smaller---smallest②以不发音-e结尾的形容词或副词直接加–r或–st，如:large---largest---largest③重读闭音节词尾是一个辅音字母的，需双写该辅音字母，再加-er或-est。④以辅音字母加y结尾的形容词和副词，把“y”变“i”，再加–er或-est.busy---busier---busiesthappy---happier---happiest一些双音节及多音节形容词或副词前要加more和most，如：slowly---moreslowly---mostslowlydifficult---moredifficult---mostdifficultbeautiful---morebeautiful---mostbeautiful还有一些不规则的变化：good/well---better---bestmany/much---more---mostbad/ill/badly---worse---worstlittle---less---leastfar---farther/further---farthest/furthest2二、形容词和副词的等比句型①as…as…和……一样I’mastallasyou.②notas(so)…as不和……一样（在否定句中常用so来代替as）如，Ican’trunsofastasyou.另外as…aspossible为固定结构，如，assoonaspossible,asquicklyaspossible等。在以上两个句型中形容词或副词一定要用原级。练习：她吃的不如她爸爸多。____________________________我的房间不如你的干净。______________________________你必须跟他一样认真。________________________________▲as…as前还可以加倍数,如:Theroomistwotimesaslargeasthatone.三、比较级（两者之间）(1)两者相比:Whichis+比较级,AorB?如:Whichisbigger,thesunorthemoon?(2)比较级+than.如:MikeistallerthanJohn.(3)有ofthetwo”,用the+比较级.如:Lucyisthemorecarefulofthetwo.(4)比较级前可用much/alot//far/alittle/abit/even等修饰.如:3Thisbookismuchmoreinterestingthanthatone.TheblouseIboughtyesterdayisalittlelessexpensive.Toplaybasketballisfarmoreenjoyabletotheboy.(5)比较级+and+比较级,表“越来越……”Itbecomeswarmerandwarmer.(6)“the+比较级，the+比较级”,表“越……，越……”Thehigheryoustand,thefartheryouwillsee.练习：1.你吃的越多,就会越胖._______________________2.Mikelooks_____thanPaul,buttheyareofthesameage.A.youngestB.theyoungestC.youngerD.veryyounger四、最高级(三者或三者以上)1)三者或三者以上相比较用“the＋最高级＋名词＋范围（of/all+---）”。例如：Thisisthecleanestplaceofthecity.HuYunisthefastestofallthegirlsinourclass.2）表示“最……之一”，用“oneofthe+形容词最高级＋复数名词”。例如：TheGreatWallofChinaisoneofthegreatestbuildingsintheworld.中国的长城是世界上最伟大的建筑之一。ThisisoneofthemostinterestingbooksthatI'veeverread.这是我读4过的最有趣的书之一。注意：形容词的最高级前面必须加定冠词the，但当形容词最高级前面有物主代词修饰时，则不加the。副词前面的the可以省略。例如：（正）Thisismybestfriend.（误）Thisismythe(themy)bestfriend.（正）Todayisthehappiestdayofmylife.（误）Todayishappiestdayofmylife.练习：Sheisthetallestinhisclass.=Sheis______(tall)thananyotherstudentinhisclass.课堂练习1.Whichlessonis__________(difficult)inBook2?2.Alicewrites_____________(carefully)thanI.3.Thisstoryis____________(interesting)thanthatone.4.Thatwasoneof_________(exciting)momentsin2008.5.Thiskindoffoodmustbe________(delicious)thanthatone.6.Beihaiparkisoneof____________(beautiful)parksinBeijing.7.Who’s________(careful),Tom,JimorKate?8.Thatis________(easy)ofall.9.Heis__________(clever)boyintheclass.10.Johnis________(short)thanTom.单选51．TheYellowRiverisoneof___inChina.A.thelongestriversB.thelongerriverC.thelongestriverD.thelongriver2.DoeshespeakChinese___hisbrother?A.asbetterasB.asgoodasC.aswellasD.bestthan3.Whichshirtdoyoulike___,thewhiteoneortheblueone?A.betterB.goodC.bestD.much4.Thispicturebookisnot___thatone.A.sointerestingasB.sointerestingthanC.asinterestingthanD.interestingas5.Thisarticleis___thanthatone.A.mucheasierB.moreeasierC.muchmoreeasierD.moreeasy6.TheChangjiangRiveris___riverinChina.A.longB.longestC.thelongestD.longer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_______________613.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.Bobis_________(young)thanFredbut___________(tall)thanFred.2.Yingtianisnotas___________(tall)asYongxian.3.Almostallthestudents'facesarethesamebutLiDeminglooks_______(fat)thanbefore.4.Whichis_________(heavy),ahenorachicken?5.--How_________(tall)isSally?--She's1.55metres________(tall).WhataboutXiaoling?--She'sonly1.40metres________(tall).Sheismuch_______(short)thanSally.Sheisalsothe_______(short)girlintheclass.6.Heis______(bad)atlearningmaths.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.7.AnniesaysSallyisthe________(kind)personintheworld.8.Heisoneofthe__________(friendly)peopleintheclass,Ithink.9.Adictionaryismuch________(expensive)thanastory-book.10.Anorangeiaalittle______(big)thananapple,butmuch________(small)thanawatermelon.711.TheChangjiangRiveristhe_______(long)riverinChina.12.Sueisalittle___________(beautiful)thanhersister.13.Myroomisnotas_________(big)asmybrother's.14.--Howdifficultisphysics?--I'mnotsure.--Isit________(difficult)thanmaths?--Idon'tthinkso.15.--Annieplaysthepianovery___________(well).--Sueplaysit_____(well)thanAnnie.AndSallyplaysitthe_______(well).16.Saturdayismy_________(busy)dayinaweek.17.Hermotherisgetting____________(fat)and________(fat).18.Ithinkit'stooexpensive.I'dlikea_____________(cheap)one.19.Hecomestoschoolmuch____________(early)thanI.20.Thisbookisnotas_____________(interesting)asthatone.21.Yourclassroomis__________(wide)and___________(bright)thanours.22.Practiseas__________(much)asyoucan.23.The________(much),the____________(good).24.Nowadays(现在)Englishis________(important)thananyothersubject.25.Mostofthestudentsthinkalionismuch___