Unit 9 This bird is bigger than the first one 课件2

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1、Unit9Thisbirdisbiggerthanthefirstonebigbigbiggerbiggestfastfasterfastesttalltalltallertalleststrongstrongstrongerstrongestbeautifulmorebeautifulmostbeautifulbeautiful比较级句子结构：A+be+形容词比较级+than+BForexample：TomisolderthanBill.Thetreeistallerthantheflower.KateismorebeautifulthanMary.Hispictureis

2、nicerthanhers.最高级的句子结构：A+be+the+最高级+范围Forexample：Russiaisthelargestcountyintheworld.Lucyisthetallestgirlintheclass.Thenileisthelongestriverintheworld.JapanissmallerthanAustralia.Watermelonisbiggerthanapple.ShanghaiislargerthanHefei.SnowWhiteismorebeautifulthanthequeen.ChengLongistallerthanP

3、anChangjiang.YaoMingisthetallestofthethree.形容词比较级和最高级的规则变化1:单音节词，在词尾加er构成比较级，加est构成最高级。tall--taller--thetallestlong—longer—thelongestsmall—smaller—thesmallestshort—shorter—theshortestnew—newer—thenewest2:以不发音的e结尾,直接在词的后面加r构成比较级,加st构成最高级nice--nicer--nicestlarge–larger--largest3.重读闭音节词,双写结尾的辅

4、音字母,再加er构成比较级，加est构成最高级。hot–hotter--hottestbig—bigger—biggestfat—fatter—fattestthin—thinner—thinnest4.以辅音字母+y的词,把y变i加er构成比较级，把y变i加est构成最高级。easy--easier–easiestbusy–busier–busiestheavy—heavier—heaviesthappy—happier—happiest5.双音节词多音节词在前加more构成比较级，加most构成最高级。beautiful--morebeautiful--mostbeaut

5、ifulimportant--moreimportant--mostimportant6.形容词比较级和最高级的不规则变化good–better--bestbad–worse--worstmuch–more--mostmany–more--mostlittle–less--leastHomework1.复习形容词比较级与最高级的变化规则；2.与父母或同学练习PartA中的对话。Thankyou!