形容词的比较级专项主备者：尚干中学黄燕英一、变化规则；1、规则变化：（1）单音节词和少数双音节词一般在词尾加er或est：bright___________;以不发音的e字母结尾的加r,或st：large;以辅音字母加y结尾的变y为I加er或est:easy；以一个辅音字母结尾的重读闭音节词双写最后一个辅音字母再加er或est:big以er，ow结尾的双音节词加er或est:cleverslow（2）多音节词前加more或most,副词最高级前省略the.(3)部分形容词本身表示最高级，因此他们没有比较级和最高级形式：favouriteround2、不规则变化：good,well;bad,badly,ill;much,many;little;far;old;注：只有少数形容词和副词有两种比较级和最高级形式：cleveroldfar二、形容词各等级的用法：1、原级（同级）比较：as…as…;notas(so)…as…We’llgiveyouasmuchhelpaswecan.Sheisn’tas(so)activeinsportsasbefore.2.比较级：表示两者之间比……更……可用状语much,alittle,even等修饰：HemadefewermistakesthanIdid.HeisevenricherthanI.3、高级：形容词最高级前必须加the,副词最高级前常省略the，后面多用of……，in……短语表示范围：Itwasthemost/leastinterestingstoryIhaveeverlistened.Heisthetallestofthethree.4、如果在两者之间表示“最……”时要在比较级前加the，而且还用ofthetwo,ofthepair短语：Johnisthecleverofthetwoboys.Ofthetwoboys,Johnistheclever.三、重点与难点：1、as…as…结构：你和汤姆是一样好的孩子。You’reaboyasgoodasTom.=You’reasgoodaboyasTom.2、(1)too…to与so…thatsb.can’t…的句型转换：前者为简单句，主语只有一个，而后者为复合句，主语有两个，试比较：Themanwastooangrytobeabletospeak.Themanwassoangrythathewasn’tabletospeak.Themilkwastoohottodrink.Themilkwassohotthatwecan’tdrinkit.(2)too…to…与notenoughto句型的转换：Heistooyoungtogetmarried.=Heisnotoldenoughtogetmarried.Thebookistoodifficultformetoread.=Thebookisnoteasyenoughformetoread.3、形容词原级表示比较级含义：约翰不象迈克那么苯。JohnisnotsostupidasMike.JohnislessstupidthanMike.JohnisclevererthanMike.4、用比较级表示最高级：约翰是班里最高的男生。Johnistallerthananyotherboyintheclass.Johnisthetallestboyintheclass.Johnistallerthan:anyotherboy.anyoftheotherboy.alltheotherboy.anyoftheothers.anyoneelse.5、themore…..themore….表示“越……越……”:Themorebooksyouread,thewideryourknowledgeis.Themorefoodyoueat,thefatteryouare.6、moreandmore….表示“越来……越……”:Moreandmorestudentsrealizedtheimportanceofaforeignlanguage.Ourcountryisgettingstrongerandstronger.四、巩固练习：（一）写出下列形容词与副词的比较级与最高级形式：long___________wide_____________fat_________heavy__________slow_____________few_________brightly______-_____bably____________far_________quickly___________happy_____-______unhappy________(二)用所给词的正确形式填空：1.Ofthetwogirls,IfindLucythe_______(clever).2.Gold(黄金)is______(little)usefulthaniron(铁).3.Mysisteristwoyears_______(old)thanI.4.John’sparentshavefourdaughters,andsheisthe_____(young)child.5.The_____(cheap)bagsarethenotusuallythebestones.6.Theshortoneisbyfar_______expensiveofthefive.7.Theboyisnotso______(interesting)ashisbrother.8.Dicksings_____(well),shesings______(well)thanJohn,butMarysings______(well)inherclass.9.Shewillbemuch______(happy)inhermewhouse.10.Thisdressis______that.(twice,as…as…,expensive)(三)选择填空：1．Hefeels_____todaythanyesterday.A.tiredB.moretiredC.moretireder2.Whichdoyoulike_____,coffee,teaormilk?A.theworstB.worseC.theworse3.Ofthetwotoys,thechildchose_____.A.theexpensiveoneB.onemostexpensiveC.aleastexpensive4.Thelineis____thanthatone.A.morelongerB.notlongerC.muchmorelonger5.Theearthis_____them...
