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1、形容词和副词的比较级和最高级1掌握比较级和最高级的变换规则2掌握比较级和最高级的用法一、单音节和部分双音节词Task1：形容词和副词比较级和最高级构成1.slowfastyoungtall2.finelate3.thinbig4.easyluckyslowerslowestyoungeryoungest一般在词尾加er,est以字母e结尾的词,加r,st重读闭音节词只有一个辅音字母时,双写辅音字母,加er,est以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加er,estfinerfinestlaterlatest
2、easiereasiestthinnerthinnestbiggerbiggestluckierluckiesttallertallestfasterfastest二、多音节和部分双音节词deliciouseasilymoredeliciousmostdeliciousmoreeasilymosteasilybetterbestworseworstmoremostfartherfarthestlessleast不规则变化good/wellbad/badly/illmany/muchlittlefar在词前加more或mos
3、t比较级和最高级的变换规则1)一般在词尾加______3)重读辅元辅结尾,先___最后的辅音字母,再加____4)以“辅音字母+y”结尾词，先改__为__,再加___2)不发音e结尾的形容词直接加______er或est双写yir或ster或ester或estsummary5）多音节和部分双音节的形容词前加______more或mostPeterTonyLookattheboys.Tomisveryyoung.Tonyis_______thanTom.Whois____________?Peteris.Tomyounger
4、theyoungestSummerishot.Summeris________thanspring.Winteriscold.Winteris________thanautumn.hottercolderTheearthis______.Themoonisbig.Thesunis__________ofthethree.biggerthebiggestHeis_______thanshe.Sheis_______thanhe.Sheis_______thanit.Heis_____________.Itis________
5、_____.heavierlighterheaviertheheaviestthelightestheavylightThefootballis________thanthebench.Thebenchis_______________thanthefootball.Thebikeis_____________________ofall.80yuan120yuan180yuancheapermoreexpensivethemostexpensivePeterAnneKenEnglish909892math583848The
6、childrenaregoodatEnglish.Peter’sEnglishis______.Ken’sEnglishis______thanPeter.Anne’sEnglishis___________.Buthermathis__________ofthethree.goodbetterthebesttheworst形容词和副词最高级专项练习John’sparentshavefourdaughters,andsheisthe_____(young)child.Dicksings_____(well),shesing
7、s______(well)thanJohn,butMarysings______(well)inherclass.Whichdoyoulike_____,coffee,teaormilk?A.badlyB.worseC.theworseD.worstyoungestwellbetterbestD7.Who’s________,Tom,JimorKate?A.themostcarefulB.carefulerC.carefully8.Thatis________(easy)ofall.AtheeasiestBelieveit
8、ornot!信不信由你别放弃，boysDon'tgiveup,boys!additionalexpressions
