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形容词和副词的比较级和最高级形容词：是修饰名词（人或事物），表示名词的性质，特征或属性一种词类。它在句中作定语、表语和宾语补足语。副词：用来修饰动词、形容词及其他副词的词叫副词。副词在句中多作状语.形容词和副词的概念形容词和副词的级形容词和副词有三个等级：原级、比较级、最高级1.原级：即形容词和副词的原形。small,good,pretty,big,manyhard,happily,slowly,quickly程度副词very,too,so,quite等修饰形容词和副词的原级。如：verytall、toohot、socoldquiteinterestingveryquickly形容词和副词比较级和最高级的构成1、规则变化构成方法原级比较级最高级单音节词和少数多音节词一般在词尾加-er/ə/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest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-es或-estbigbiggerbiggesthothotterhottest以“辅音字母+y”结尾的双音节词，先改“+y”结尾的双音节词，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mosttiredmoretiredmosttiredeasilymoreeasilymosteasily原级比较级最高级good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthestoldolderolderstelderelder形容词和副词比较级和最高级的构成2、不规则变化不规则变化巧记：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important_______________________________easy______________________________________wet_______________________________________happy____________________________________careful__________________________________thin___________________________________good____________________________________hot______________________________________easily____________________________________many____________________________________nice____________________________________big_____________________________________heavy__________________________________delicious________________________________much____________________________________给出下列词的比较级和最高级moreimportantmostimportanteasiereasiestwetterwettesthappierhappiestmorecarefulmostcarefulthinnerthinnestbetterbesthotterhottestmoreeasilymosteasilymoremostnicernicestbiggerbiggestheavierheaviestmoredeliciousmostdeliciousmoremost形容词原级的常用句型as+形容词原形+aseg:TomisastallasMike.TomisthreetimesasoldasMike.Thereareasmanystudentsinyourschoolasyours.否定：notas+形容词原形+as,表示“和…不一样”或notso+形容词原形+as,表示“不及，不如…..”TomisnotastallasMike.TomisnotsotallasMike比较级的用法：Herunsfasterthanshe.Herunsmuchfasterthanshe.•形容词比较级的修饰。比较级前面可以用even(更加)，much(……得多)，far(……得多)，alittle(……一点)，abit(一点)，alot(大量)，still(还，还要)等词语表示不定程度或数量。•eg:1.Iamevenlesslucky.Sheisfarbetterthanmeatwriting.2.Thispenismuchbetterthanthatone.3.TomisalittleshorterthanhisfriendJim.4、the+形容词的比较级+……+the+形容词的比较级表示“越……，就越……”Themoreyoueat,thefatteryouwillbe.Theharderyoustudy,themoreyouwillget.Thesmallerthehouseis,thelessitwillcost.Thesooner,thebetter.5、the+形容词比较级+ofthetwo….短语表示：两者中比较/更……的那一个。Sheisthemorecarefulofthetwogirls.Thebikeistheolderofthetwo.Hisisthetallerofthetwo.Thisoneisthemorebeautifulofthethetwopictures.6.表示“……是……的几倍”，用“倍数+as+原级+as”结构，或者“倍数+比较级+than”结构。eg:Thisclassroomisthreetimesasbigasthatone.Thisclassroomistwicebiggerthanthatone.最高级的用法：2、Oneofthe+最高级“最……中之一”三者或三者以上比较Yaomingisoneofthetallestbasketballplayersintheworld.1、the+最高级+of+比较范围“……之中最……”Heisthetallestofthethree.Thegreenorangesarebig.Theorangeonesarebigger.Theredonesarethebiggestofall.250,000RMB.50,000RMB.Thegreencaristhemostexpensive.Theredcatismoreexpensivethanthebike.Thebikeisexpensive.500RMBJimTomStalloneisthemostathleticofthree.TomismoreathleticthanJim.Jimisathletic.cinemaBookstoreSupermarketMyhouse4000misfarfrommyhome.ThebookstoreSupermarketisfartherfrommyhome.isthefarthestfrommyhome.Thecinema1.Thecityisoneofthemostbeautifulcitiesintheworld.oneof+the+最高级+复数名词复数。表示：“最·······之一”Which/Who…+比较级，AorB?Which/Who…+最高级，A，BorC?2.Whoisolder,JimorTom?Whoisthetallest,Jim,MikeorTomWhichlanguageis____,English,FrenchorChinese?A.difficultB.moredifficultC.themostdifficultC。1.Whichdoyoulike______(well),applesororanges?2.Whois______(old),JimorTom?3.Jackisrunning_____and______(fast).4.Ourcountryisbecoming______and___________(beautiful).5.Heis________(tall)ofthethetwoboys.betterolderfasterfastermoremorebeatifulthetaller用所给的形容词副词的适当形式填空。1.Tomis____(tall)thanJim.2.LiLeiis_____(young)boyinhisclass.3.Davidhas____(many)storybooksofallthestudents.4.LiLeispeaksEnglish_______(well)inhisgroup.5.Lucyruns_____(slow)thanLily.tallertheyoungestthemostbestmoreslowly改正下列句子中一处的错误。A．TomcomestoschoollatethanJim._____B.Whichdoyoulikebetter,cats,dogs,orchickens?_____C.Whoisoldestinourclass?_____D.HethinksmathisimportanterthanChinese.______E.Thisworkisveryharderthanthatone.________F.Helivesfarerthananyotherstudentinyourclass._______1.Itis_______inthesouththaninthenorth.(warm)2.Thatquestionis____________thanthisone.(difficult)3.Shefeltillyesterdayandshefeelseven_______today.(ill)4.Heismuch_______thanhisyoungerbrother.(young)5.Lilyis__________ofthetwo.(young)6.Tomis________ofthetwins.(tall)7.Whichdoyouthinktastes________,thechickenorthefish?(good)8.Whoruns_____,TomorJim?(fast)warmermoredifficultworsetheyoungeryoungerthetallerbetterfaster1.Theenvironmentinourhometownis_____thanitwasbefore.•goodB.worseC.betterD.bad2.Icantype_____thanIcanwritebyhand.A.fastB.muchfasterC.morefasterD.fastest3.---Haveyoudecidedwhichyou’dliketobuy,theblackshirtortheyellowone?---Theblackone.Becauseitis_______ofthetwo.A.thenicerB.thenicestC.nicer4.Lileiis_____thananyother_______inhisclass.A.tall,st