比较级和最高级课件.ppt

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1、Lesson13LiuXiangistallerthanPanChangjiang.YaoMingisthetallestofthethree.Thegreenskirtisnicerthantheblueone.Theyellowskirtisthenicestofall.JimishappierthanMary.Johnisthehappiestofthethree.TheCanoncameraismoreexpensivethantheOlympuscamera.TheSonycameraisthemostexpensi

2、veofall.Canon2,420.00元Sony2,595.00元Olympus2,130.00元talltallertallestnicenicestnicerhappyhappierhappiestbigbiggerbiggestexpensivemoreexpensivemostexpensiveComparatives比较级Superlatives最高级形容词的比较等级构成方式:1.一般单音节adj的比较级多在原形上加-er,最高级加-est.多音节adj在原形前加more,最高级加most原级比较级最高级smal

3、lsmallersmallestbeautifulmorebeautifulmostbeautifulpopularmorepopularmostpopular2.辅音字母加y结尾时去y变i再加-er或-esteg.friendly→friendlier→friendliest3.以不发音的e结尾时加-r/st.eg.fine→finer→finest4.重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加-er或-est.eg.big→bigger→biggest5.不规则adj的比较级与最高级如下:原级比较级最

4、高级goodbetterbestbadworseworstmany/muchmoremostoldolder/elderoldest/oldestlittlelessleast原级比较级最高级talllatehotfunnyinterestinggoodmanyExercise:写出下列形容词的比较级和最高级.tallerlatertallestfunnierhotterhottestlatestfunniestmoreinterestingmostinterestingbetterbestmoremostimportantm

5、oreimportant，themostimportantslowslowerslowestsafesafersafestexcitingmoreexciting，themostexcitinggoodbetterbestquickquickerquickesthappyhappierhappiest原级比较级和最高级healthyhealthierhealthiestfatfatterfattestexpensivemoreexpensive，themostexpensivethirstythirstierthirsties

6、tbadworseworsthungryhungrierhungriestfriendlymorefriendly,themostfriendly原级比较级和最高级形容词比较级和最高级的构成1.规则变化构成方法原级比较级最高级单音节单词及部分双音节词一般在词尾加-er,-esttallsmalltallersmallertallestsmallest在以字母e结尾的形容词后加-r，-stnicelargenicerlargernicestlargest在以辅音字母+y结尾的形容词后，先改y为i再加-er，-estheavyha

7、ppyheavierhappierheaviesthappiest重读闭音节词只有一个辅音字母时，先双写辅音字母再加-er，-estbigslimbiggerslimmerbiggestslimmest部分双音节词及多音节词在此的前面加more，mostexpensivebeautifulmoreexpensivemorebeautifulmostexpensivemostbeautiful2.不规则变化原级比较级最高级good/wellbetterbestbad/illworseworstmany/muchmoremostl

8、ittlelessleastoldolder/elderoldest/eldestfarfartherfarthestfastLiMeiLilyKatebeautiful1.Afeatheris________________(light)astone.2.Mymotheri