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用来修饰动词、形容词、其它副词、全句或名词词组及句子的词。e.g.very,early,quickly,etc.Herunsfast.Todayisveryhot.Pleasereaditloudly.用以修饰名词，表示事物的特征的词。e.g.long,tall,short，cheap,hungry,etc.一般来说，中文意思是“……的”的词是形容词，而中文意思是“……地”的词是副词。形容词比较级用于两者（人或事物）之间的比较，表示其中一个比另一个“更……”或“较……”，后面用连词than连接另一个所比较的人或事物。例如：1.Thatrulerislongerthanthisone.2.Maryisyoungerthanme(I).“A+be+形容词比较级+than+B”意思为“A比B更……”①在含有连词than的比较级中，前后的比较对象必须是同一范畴，即同类事物之间的比较*比较应在同类事物中进行.②在比较级前面使用much，表示程度程度“强得多”。如：Awatermelonismuchbiggerthananapple.③very,quite一般只能修饰原级，不能修饰比较级。young-yonger-yongestold–older-oldesttall-taller-tallestsmall-smaller-smallestearly-earlier-earliestthirsty-thirstier-thirstiest1.一般情况下在形容词或副词后加-er（比较级）或－est（最高级）:2.以字母e结尾的形容词，加-r或-st4.以“辅音字母＋y”结尾的形容词，先改“y”为“i”，再加-er或-est.big—bigger-biggestfat—fatter-fattest形容词比较级最高级规则nice–nicer-nicestsafe–safer-safest3.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-est.一5.部分双音节词或多音节词前面加more,most.如:interestingmoreinterestingmostinterestingfamousmorefamousmostfamous原级比较级最高级good/wellbetterbestbad/illworseworstmanymuchmoremostlittlelessleastfarfarther/furtherfarthest/furthestoldolder/elderoldesteldest两好、两坏、两多、一少、一远、一老.Readandcompare:younglongfullshortsmalloldfineeasyhungryearlyheavybigredyoungeryoungestlongerlongestfullerfullestshortershortestsmallersmallestolderoldestfinerfinesteasiereasiesthungrierhungriestearlierearliestheavierheaviestbiggerbiggestredderreddesthealthymanyfamousexcitingcarefullywethotlittlefewhealthierhealthiestmoremostmorefamousmostfamousmoreexcitingmostexcitingmorecarefullymostcarefullywetterwettesthotterhottestlessleastfewerfewest词尾变化原级比较级最高级单音节词在词尾加-er(比较级)或-est(最高级)以字母e接尾的词加-r或-sttallhardlargewide以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或estbighotthinfatwet以辅音字母+y结尾的词变为i再加-er,或-esthappydryearlynarrowclever多音节词和多数双音节词在其前面加more和mostdifficultpopularslowlytallerharderlargerwidertallesthardestlargestwidestbiggerhotterfatterwetterbiggesthottestfattestwettesthappierdrierearlierhappiestdriestearliestnarrowercleverernarrowestcleverestmoredifficultmorepopularmoreslowlymostdifficultmostpopularmostslowly少数以-er,-ow结尾的双音节词可加-er或-est原级goodwellbadillmanymuchlittlefarold比较级最高级betterbestworseworstlessmoremostfarther/furtherolder/elderleastfarthest/furthestoldest/eldest巧记：特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远.其主要句型有：(1)A+be+比较级+than+Be.gMaryismuchyoungerthanSue.(2)(3)疑问句+动词+比较级,AorB?e.gWhodrawsbetter,TomorJim?(4)比较级+and+比较级，表示越来越…e.gthedaysaregettingshorterandshorter.A+行为动词+副比+than+物体B.Dogsrunfasterthangoats.Hestudiesbetterthanme形容词、副词的最高级形式主要用来表示三者或三者以上人或事物的比较，表示“最……”的意思。句子中有表示范围的词或短语。如：ofthethree,inourclass等等。如：Heisthetallestinourclass.他在我们班里是最高的。1）A+am/are/is+the+形最高级+比较范围（of+人/物，in+地方）.Iamthetallestintheclass.Pastaisthemostdeliciousfoodofthethree.2）A+行为动词+副词最高级+比较范围（of+人/物，in+地方）.Dogsrunfastestintheworld.Hestudiesbestofus.3）.最高级:形容词的最高级要加定冠词the,副词最高级可省略the,主要句型有:⑴the+最高级+ofinJimworkshardestofusall.Mymotheristhebusiestinmyfamilye.g4）疑问词+动词+最高级5)which…likebest,A,BorC?构成方法原级比较级最高级单音节词和少数双音节词一般在词尾加-er/ə/或-est/ist/talltallertallestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicest以重读闭音节结尾且末尾只有一个辅音字母时，应先双写这个辅音字母；再加-es或-estbigbiggerbiggestthinthinnerthinnest以“辅音字母+y”结尾的词，先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加more或mostbeautifulmorebeautifulmostbeautifulinterestingmoreinterestingmostinteresting一、形容词比较等级的规则变化如下：二、不规则形容词的比较级最高级原级比较级最高级good/wellbetterbestmany/muchmoremostlittlelessleastill/bad/badlyworseworstfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldest练习1.tall________________2.nice________________3.strong________________4.old________________5.big________________6.thin________________7.heavy________________8.beautiful________________9.good________________tallerstrongeroldertalleststrongesoldestbiggerbiggestthinnerthinnesnicernicestheavierheaviestmorebeautifulmostbeautifulbetterbest形容词和副词的比较级和最高级构成：规则变化1单音节词在词尾加-er比较级，加-est最高级。原级比较级最高级brightbrighterbrightestyoungyoungeryoungestlonglongerlongest2.以字母e结尾的词只加-r或-st构成比较级和最高级。nicenicernicestfinefinerfinestwhitewhiterwhitest3.重读闭音节以一个辅音字母结尾的，应先双写辅音字母，再加-er或-est.bigbiggerbiggest4.以辅音字母加-y结尾的词，先把-y变为I，再加-er\-est.easyeasiereasiest5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级，eg.slowly---moreslowly---mostslowly；beautiful---morebeautiful---mostbeautiful不规则变化:个别形容词的比较级和最高级是不规则变化，需个别记忆。e.g.good(well)betterbestbad(badly,ill)worseworstmany(much)moremostlittlelessleastfarfather/furtherfarthest/furthest改错：1.I’mthanyou.2.Heisthanme.3.You’reinourschool.4.Whois,youorme?5.Sheisinherfamily.tallyounggershortestfatthinest选择填空1.WhichdoesJimmylike,ChineseorArt?A.wellB.bestC.betterD.much2.TheChangjiangRiverisoneofintheworld.A.thelongestriverB.longestriversC.thelongestriversD.longerrivers3.ofthetwowomenisMrsBrown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful4.Mymooncakeisnicerhis.A.likeB.withC.forD.than5.Youarefatterthan.A.heB.hisC.himD.heistall6.Myhairislongerthan.A.mysisterB.KateC.mybrother’sD.Lucys’CCBDAC16.Motherisinmyfamily.A.busyB.busierC.thebusiestD.morebusy18.Thedumplingsarethanthenoodles,Ithink.A.morenicerB.muchdeliciousC.veryniceD.muchmoredelicious19.Sheisthanmeatd