Thebikeis______.Thebikeis______.Thetractoris______Thetractoris______..Thecaris________.Thecaris________.fastfasterthefastestComparethemComparethemComparethemComparethemTheblackandwhitedogisTheblackandwhitedogisthehappiestthehappiestofthethreeofthethree..TheyellowdogisTheyellowdogisstillstillhappierhappier..Thewhitedogisveryhappy.ComparethemComparethemComparethemComparethemThefirstpigisquitefat.Thesecondpigismuchfatter.Thethirdpigisthefattestofall.ComparethemComparethemComparethemComparethemConclusionConclusionConclusionConclusion1.Weusecomparativestocomparetwopeopleorthingswhenwesee…inthesentence2.Weusesuperlativestocomparethreeormorepeopleorthingswhenwesee…than,much,even,still,alittle,ofthetwo,Which/Whois…,AorB?etc.the,of…,in…,Which/Whois…,A,BorC?etc.Weadd‘the’beforethesuperlatives.引导学生回归课本,通过对例句的学习和研究,探究出一定的规律,培养自主学习的意识。构成方法原级比较级最高级longfewcheaplongerfewercheaperlongestfewestcheapestnicesafelatenicersaferlaternicestsafestlatestbighotthinbiggerhotterthinnerbiggesthottestthinnestprettyunhappyheavyprettierunhappierheavierprettiestunhappiestheaviest大部分单音节词在词尾加-er或-est以字母e结尾的词,加-r或-st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以辅音字母+y结尾的双音节词,先改“y”为“i”,再加-er或-estFormComparativesandSuperlativesFormComparativesandSuperlativesFormComparativesandSuperlativesFormComparativesandSuperlatives构成方法原级比较级最高级nervousclearlydangerousfrightenedmorenervousmoreclearlymoredangerousmorefrightenedmostnervousmostclearlymostdangerousmostfrightened不规则变法good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastfarfarther(更远的)farthestfurther(进一步的)furthest部分双音节词和多音节词在前面加more或mostConclusionConclusionConclusionConclusion(Shortadjectivesareadjectivesofoneortwosyllables(音节).Longadjectivesareadjectivesofthreeormoresyllables.)Weadd-er/-esttoshortadjectives.Weusemore/mostforlongadjectives.adjectivecomparativesuperlativ...