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1、个人收集整理勿做商业用途形容词和副词的比较级和最高级用法和构成法I形容词和副词的比较级和最高级的用法ﻫ1)同级比较。常用句型为:ﻫ肯定结构:as+形容词(副词)原级+as否定结构:not so(as)+形容词(副词)原级+as如:Ourgardenisasbeautifulastheirs.ﻫJanedidn'twriteas/socarefullyasher eldersister.上述本句型前可以有表示倍数或分数的修饰语,如:This roomisthreetimesaslargeas that one.2)程度不等的比较,常与than连用,其基本句型是:A+形
2、容词(副词)比较级+thanBﻫ如:Shanghaiisbigger than anyother cityinChina.Whichdoyoulikebetter,strawberriesorgrapes?3)最高级。最高级用于三者或三者以上的比较,其结构是:the+形容词(副词)最高级+比较范围(of/among/in短语) 如:SpringisthebestseasoninShanghai.ﻫDavidis thecleverestamong the threebrothers.Tomjumps(the)farthestofallthestudents.注:副词
3、的最高级前the可以省略。II学习比较等级时的—些注意事项1)比较的对象应当一致。如:ﻫIt's hotterin Guangzhouthan Beijing.(误)ﻫIt'shotterinGuangzhouthaninBeijing.(正)ﻫA woman'sheartbeatsfasterthanaman.(误)ﻫA woman'sheartbeatsfasterthana man’s.(正)2)不能与自身相比较。应借助other或else来表达排除。如:ﻫBeckhamismorepopularthananyfootballplayerin theworld
4、.(误)Beckhamismorepopularthananyotherfootballplayer inthe world(正)ﻫBeckhamismorepopularthanall the other footballplayers in theworld.(正)ﻫBeckhamis morepopularthan anyfootball player,else intheworld.(正)Beckham isthemostpopularfootballplayer inthe world.(正)3)形容词和副词的比较级前可以用以下单词来修饰:much,eve
5、n, far,abit,alittle, alot,still等。Thispairofshoes is evencheaper.ﻫThenewtextbookisalittlethickerthantheold one.ﻫHeisfiveyearsyoungerthanI.4)在比较级的句子中出现“ofthetwo”之类的结构时,比较级前也需加定冠词the。如:ﻫHeis theshorterofthetwoboys.Whichis thelargercountry,CanadaorAustralia?5)“比较级+and+比较级”结构,表示“越来越……”,多音节词
6、则要用“more+and+more+原级”。如:A blockoficeisbecomingsmallerand smaller.ﻫI ammore and moreinterestedinhistory.6)“the+比较级,the+比较级”结构,表示“越是……就越”。如:ﻫThesooner,the better.(越快越好。)Thebusierhe is,thehappierhefeels.个人收集整理勿做商业用途III多数形容词(性质形容词)和副词有比较级和最高级的变化,即原级、比较级和最高级,用来表示事物的等级差别。原级即形容词的原形,比较级和最高级有规则
7、变化和不规则变化两种。构成法原级比较级最高级一般单音节词末尾加-er,-esttall(高的)ﻫgreat(巨大的)tallergreatertallestﻫgreatest以不发音的e结尾的单音词和少数以-le结尾的双音节词只加-r,-stnice(好的)ﻫlarge(大的)able(有能力的)nicerﻫlargerﻫablernicestlargestﻫablest以一个辅音字母结尾的闭音节单音节词,双写结尾的辅音字母,再加-er,-estbig(大的)ﻫhot(热的)biggerhotterbiggesthottest以辅音字母+y结尾的双音节词,改y为