形容词比较级与最高级主讲人：于云丽主讲人：形容词比较级最高级规则变化形容词比较级最高级规则变化规则1.一般一般+er/esteg：coldstrongfastslow一般：2.以字母结尾以字母e结尾以字母结尾+r/esteg：nicelarge：3.词末只有一个辅音字母时，应先双写辅音字母词末只有一个辅音字母时，字母+er/est词末只有一个辅音字母时eg:thinfat4.以“辅音字母+y”结尾的双音节词，先改“y”为以辅音字母”结尾的双音节词，先改“”eg:funnyeasy“i”,+er/est”5.多音节词和部分双音节词，在词前加more/most多音节词和部分双音节词，在词前加多音节词和部分双音节词eg:beautifulserious原级fastshortbigthinfunnyheavyathleticexpensivefar比较级fastershorterbiggerthinnerfunnierheaviermoreathleticmoreexpensivefarther最高级FastestShortestBiggestThinnestFunniestHeaviestMostathleticMostexpensivefarthest不规则变化good/well–better-bestmuch/many–more-mostbad/badly/ill–worse–worstlittle–less–leastfar–farther/further–farthest–furthestold–older/elder–oldest/eldest比较级的用法：Herunsfasterthanshe.Herunsmuchfasterthanshe.最高级的用法：最高级的用法：三者或三者以上比较1、the+最高级+of+比较范围“……之中最……”Heisthetallestofthethree.2、Oneofthe+最高级“最……中之一”Yaomingisoneofthetallestbasketballplayersintheworld.Thegreenorangesarebig.Theorangeonesarebigger.Theredonesarethebiggestofall.250,000RMB.500RMB50,000RMB.Thebikeisexpensive.Theredcatismoreexpensivethanthebike.Thegreencaristhemostexpensive.JimTomJimisathletic.TomismoreathleticthanJim.Stalloneisthemostathleticofthree.Supermarket4000mMyhouseBookstorecinemaSupermarketisfarfrommyhome.Thebookstoreisfartherfrommyhome.Thecinemaisthefarthestfrommyhome.用所给的形容词副词的适当形式填空。taller1.Tomis____(tall)thanJim.theyoungest2.LiLeiis_____(young)boyinhisclass.3.Davidhas____(many)storybooksofallthestudents.4.LiLeispeaksEnglish_______(well)inhisgroup.5.Lucyruns_____(slow)thanLily.slowerthebestthemost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._______形容词和副词比较级和最高级的构成1、规则变化构成方法一般在词尾加-er/?/或-est/ist/或一般在词尾加以字母e结尾的形容词，加-r或-st以字母结尾的形容词，结尾的形容词或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应先双写辅音字母；再加或-est以“辅音字母+y”结尾的双音节辅音