Unit1FriendsGrammar(Ⅰ)comparativeandsuperlativeadjectives形容词的比较级和最高级thesmallestsmallsmallsmallsmallererComparethemComparethemComparethemComparethemThecaris___.Thetrainis_____thanthecar.Theplaneis_________ofall.fastfasterthefastestTheblackandwhitedogTheblackandwhitedogisisthehappiestthehappiestoftheofthethree(all)three(all)..TheyellowdogisTheyellowdogisevenevenhappierhappier..Thewhitedogisveryhappy.ComparethemComparethemComparethemComparethemThefirstpigisquitefat.Thesecondpigismuchfatter.Thethirdpigisthefattestofall.ComparethemComparethemComparethemComparethem1.1.Whentousecomparative?Whentousecomparative?BetweenBetween22thingsorpeople.thingsorpeople.2.Whentousesuperlative?2.Whentousesuperlative?AmongAmong≥3≥3thingsorpeople.thingsorpeople.Discuss:PleasereadthetableonPage11.AndPleasereadthetableonPage11.Andruleoutruleouthowtoformcomparativesandhowtoformcomparativesandsuperlativeswithadjectives.superlativeswithadjectives.Learningforuse构成方法原级比较级最高级单音节词和少数双音节词在词尾加-er或-estfastlongtallcheapfasterlongertallercheaperfastestlongesttallestcheapest形容词的比较级(Comparative)和最高级(Superlative)构成方法原级比较级最高级以字母e结尾的形容词,加-r或-stnicesafelatenicersaferlaternicestsafestlatest构成方法原级比较级最高级重读闭音节词以一个辅音字母结尾时,应先双写该辅音字母,再加-er或-estbighotthinslimbiggerhotterthinnerslimmerbiggesthottestthinnestslimmest构成方法原级比较级最高级以辅音字母+y结尾的双音节词,先改y为i,再加-er或-esteasyhappyheavyeasierhappierheaviereasiesthappiestheaviest构成方法原级比较级最高级其他双音节词和多音节词在前面加more或mostbeautifulmorebeautifulmostbeautifulimportantmoreimportantmostimportantdangerousmoredangerousmostdangerousfrightenedmorefrightenedmostfrightened不规则变法good/wellbetterbestbad/illworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthestoldolder/elderoldest/eldestFinishPartAPractice1.cleancleanercleanest2.shortshortershortest3.cutecutercutest4.happyhappierhappiest5.lazylazierlaziest6.b...
