Grammar：Comparativeandsuperlativeadjectives (2).ppt

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1、GrammarThebikeis______.Thetractoris______.Thecaris________.fastfasterthefastestComparethemComparethem￥1.50Themilkisvery______.￥1.00￥0.80cheapThemilkismuch______.cheaperThemilkis___________ofthethree.thecheapestThefirstpigisquite_____.Thesecondpigiseven____.Thethirdpigis______________ofall.Comparethe

2、mfatfatterthefattestConclusionWeusecomparatives+thantocomparetwopeopleorthings.2.Weusethe+superlativestocomparethreeormorepeopleorthings.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。比较级用于比较两个人/事物;比较级后通常出现”than”.最高级通常用语比较三个或三个以上人/事物;最高级前要用the或one’s连接PracticeMyruleris___________(long)yours.Jim’sruleris____

3、________(long)ofall.Myhouseis___________(nice)yours.Jim’shouseis_______________ofall.Lucyis_______________(pretty)Amy.Bettyis__________(pretty)girlinherclass.Thegreenbagis__________(big)theredone.Thewhitebagis____________inthisshop.Theyellowcoatis________________(beautiful)thegreenone.Theredcoatis__

4、________________inthisshop.HisEnglishis____________(good)me.HerEnglishis______________(good)ofall.longerthanthelongestnicerthanthenicestprettierthantheprettiestbiggerthanthebiggestmorebeautifulthanthemostbeautifulbetterthanthebest构成方法原级比较级最高级longfewcheaplongerfewercheaperlongestfewestcheapestnicesaf

5、elatenicersaferlaternicestsafestlatestbighotthinbiggerhotterthinnerbiggesthottestthinnestprettyunhappyheavyprettierunhappierheavierprettiestunhappiestheaviest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-estFormComparativesandSuperlatives构成方法原级

6、比较级最高级nervousclearlydangerousfrightenedmorenervousmoreclearlymoredangerousmorefrightenedmostnervousmostclearlymostdangerousmostfrightened不规则变法goodbetterbestbad/illworseworstmany/muchmoremostlittlelessleastfarfarther（更远的）farthestfurther（进一步的）furthestoldolder/elderoldest/eldest部分双音节词和多音节词在前面加more或most

7、Conclusion(Shortadjectivesareadjectivesofoneortwosyllables(音节).Longadjectivesareadjectivesofthreeormoresyllables.)Weadd-er/-esttoshortadjectives.Weusemore/mostforlongadjectives..clean,cleaner,cleanest