as...as-比较级-最高级

as...as...,比较级,最高级3.Timisthetallestofthethree.1.Lucyisastallasatree.2.SallyistallerthanBen.3.Timisthetallestofthethree.1.Lucyisastallasatree.2.SallyistallerthanBen.as...as...比较级最高级1.Lucyisastallasatree.as…as像……一样两个人或事物的比较Abeas…asB.•1.as和as中间要加形容词•2.be动词要随着A变化•3.Chineseleft等词不能用在as…as中间•astallasatree•asgreenasgrass•asbigasanelephant•asblackasasheep•assmallasanant•aswhiteassnow•asredasanapple•ascoldasice•asquietasamouse•ashappyasabird•她的脸和苹果一样红。•他们像树一样高大。•地面像雪一样白。•它和大象一样大。Theyareastallasatree.Thefloorisaswhiteassnow.Itisasbigasanelephant.Herfaceisasredasanapple.round,square,loud,strong,weak,fat,new,thin,hungry,thirsty,quick,fast,slow,hot,cold,tired,famous,different,interesting,straight,curly,dirty,clean,beautiful,pretty,big,small,angry,lovely,excitingTheclockisasroundasanorange.2.SallyistallerthanBen.•A+be+形容词比较级+than+B（比较对象）.两个人或事物之间进行比较。•1.直接+er•2.以不发音的e结尾，直接+r•3.以“辅元辅”结尾，双写最后一个字母+er•4.以辅音+y结尾，变y为i+er•5.较长的词前+moreeasier,prettier,happier,thirstier,dirtiermorebeautiful,moreinterestingtaller,longer,younger,fasternicer,larger,later,wider,cuterfatter,bigger,redder,thinner,sadderlong_______wide______fat______heavy______slow______happy_______exciting_______different________longerwiderfatterheavierslowerhappiermoredifferentmoreexcitingYaoMingis____________.tallerthanLiuXiangThebrowncar______________.isnicerthantheredoneMarkis______________.thinnerthanLiuYifei3.Timisthetallestofthethree.•主语+Be动词+the+形容词最高级+比较的范围意为“最…”形容词最高级用于同类三个或三个以上的人或事物的比较•1.直接+est•2.以不发音的e结尾，直接+st•3.以“辅元辅”结尾，双写最后一个字母+est•4.以辅音+y结尾，变y为i+est•5.较长的词前+themosteasiest,prettiest,happiest,thirstiest,dirtiestthemostbeautiful,themostinterestingtallest,longest,youngest,fastestnicest,largest,latest,widest,cutestfattest,biggest,reddest,thinnest,saddestthethethethe有些形容词比较级的变化是不规则的，需要单独记忆:many---more---themostgood---better---thebestbad---worse---theworst1.old____________2.easy_________________3.thin___________4.nice_________________5.slow__________6.hot__________________一.写出下列单词的比较级和最高级。1.Sheis_______________us.A.happier/asB.happier/thanC.morehappy/asD.morehappy/than2.Janeis________thanBetty.A.tallerB.tallestC.muchtallD.notastall3.--Whichis__________,thecat,themonkeyortheelephant?--Ofcourse,thecatis.A.smallB.smallerC.smallestD.thesmallest4.TheYellowRiverisoneof______riversinChina.AlongBlongerCthelongestBADC二.选出正确的答案。1Ithinkthiscoatis_______thanthatcoat.(big)2Oh,thisshirtis_____________thanthatshirt.(beautiful)3MyMaths_____________inmyclass.(good)4Jim______________mouse.(notsmall)biggermorebeautifulthebestnotassmallas三.用所给词的适当形式填空。5.Bobis_________(young)thanFredbut______(tall)thanhim.6.Kittyisnotas________(tall)asPat.7.Whichis_________(heavy),ahenorachicken?8.--How_________(tall)isSally?--She's1.55metres________(tall).youngertallertalltheheaviesttalltall句子结构对象形容词变化相同点as...as...比较级最高级都有Be动词句子里都有形容词