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ENGLISH形容词与副词的比较等级bigbig◇Lookatthepicturesandunderstand看图并理解bigbigger◇Lookatthepicturesandunderstand看图并理解◇Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfast◇Lookatthepicturesandunderstand看图并理解fastfaster◇Lookatthepicturesandunderstand看图并理解fastfasterfastest◇Lookatthepicturesandunderstand看图并理解TheComparativeandSuperlativeDegreesofAdjectivesandAdverbs(形容词和副词的比较级和最高级)大多数形容词和副词有三个等级:1、原级,即原形。(没有比较时用原级)2、比较级,表示“较……”或“更……一些”。(两者比较时用比较级)3、最高级,表示“最……”的意思。(两者以上用最高级)一、形容词和副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词和少数多音节词一般在词尾加-er/ə/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结尾的形容词,加-r或-stnicenicernicestlargelargerlargest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-es或-estbigbiggerbiggesthothotterhottest以“辅音字母+y”结尾的双音节词,先改“+y”结尾的双音节词,先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加more或mosttiredmoretiredmosttiredeasilymoreeasilymosteasily写出下列单词的比较级和最高级:tall___________________short______________________nice___________________late_________________________early___________________happy_______________________hot______________________fat_________________________delicious_________________beautiful___________________good_____________________bad_________________________原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthest一、形容词和副词比较级和最高级的构成2、不规则变化二、形容词和副词的比较级和最高级的用法1、表示“和……一样……”,用“as+原级+as”结构。eg:Helikesherasmuchashelikeshissister.2、表示“不如……”,用“notas/so+原级+as”结构或“less+原级+than”结构eg:Hedoesnotsmokeas/soheavilyashisbrother.Hesmokeslessheavilythanhisbrother.3、表示“比……更……”,用“比较级+than”结构。eg:Sheseesmemoreoftenthansheseesherbrother.4、表示“……中最……”,用“最高级+比较范围”结构,比较范围为短语从句。eg:Thisisthebestpictureinthehall.Thisisthebestpicturethathehaseverpainted.■基本用法二、形容词和副词的比较级和最高级的用法5、表示“越来越……”,用“比较级+and+比较级”结构或“moreandmore+原级”结构。eg:Thingsaregettingbetterandbettereveryday.Sheisbecomingmoreandmorebeautiful.6、表示“……是……的几倍”,用“倍数+as+原级+as”结构,或者“倍数+比较级+than”结构。eg:Thisclassroomisthreetimesasbigasthatone.Thisclassroomistwicebiggerthanthatone.■基本用法二、形容词和副词的比较级和最高级的用法1、形容词的比较级前面一般不加冠词,但表示“两者中较……”的时候,要用“the+比较级+of”。eg:Sheisbetterthanshewasyesterday.Sheisthetallerofthetwogirls.2、形容词的最高级前面一般加定冠词,而副词的最高级前面可加可不加。eg:ThisbookisthemostdifficultthatIhaveeverread.Hejumped(the)highestofthethreeboys.3、比较级前面可以用even(更加),much(……得多),far(……得多),alittlie(……一点),abit(一点),slightly(些微地),agreatdeal(大量),agooddeal(大量),alot(大量),still(还,还要)等词语表示不定程度或数量。eg:Iamevenlesslucky.Sheisfarbetterthanmeatwriting.■特殊用法Followups(随堂练习)1、---MrZhou,allofthestudentsinourgroup,wholives___?---IthinkLiLeidoes.A.fatB.fatherC.farthestD.farest2、TheChangjiangRiveris____thananyotherriverinChina.A.shorterB.longerC.shortestD.longest3、Bobneverdosehishomework____Mary.Hemakeslotsofmistakes.A.socarefulB.ascarefullyasC.carefullyasD.ascarefulas4、____sheis,____shefeels.A.Themorebusy,themorehappyB.Thebusy,thehappyC.Busier,happierD.Thebusier,thehappier5、Theweatherisgettingw____a__w____.(越来越糟糕)ACBBorserorserndTHEEND再见
本文标题:形容词副词比较级ppt课件
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