形容词和副词比较级和最高级一形容词、副词的比较级和最高级的构成规则：1一般情况加-er,-esttall→taller→tallestgreat→greater→greatest2以不发音e结尾的单音节词加-r，-stlarge→larger→largestnice→nicer→nicest3在重读闭音节（即：辅音＋元音＋辅音）中，先双写末尾的辅音字母再加-er,-estbig→bigger→biggesthot→hotter→hottest4以“辅音字母＋y”结尾的双音节词，把y改为i再加-er,-esteasy→easier→easiestheavy→heavier→heaviest5其他双音节词（副词）和多音节词，比较级在前面加more，最高级在前面加mostbeautiful→morebeautiful→mostbeautifuldifferent→moredifferent→mostdifferenteasily→moreeasily→mosteasilyfriendly—morefriendly;common—morecommon;helpful—morehelpful，morecareful,morenervous,morerelaxed,morenormal，modern-moremodernunhappy—moreunhappy,lucky-luckierunlucky—moreunlucky注：最高级前要加the,不加表示“非常”，amostimportantmeeting副词的比较级和最高级1．大多数以ly结尾的副词前加more和most来构成比较级和最高级
2．少数单音节副词，加er,est构成其比较级和最高级
几个特殊的形容词和副词原级比较级最高级good,wellbetterbestbad,ill,badlyworseworstmany,much
