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一.形容词/副词的比较级和最高级
1.形容词/副词的比较级和最高级的构成规则
(1)单音节词和少数以-er,-ow结尾的双音节单词,比较级在后面加-er,最高级在后面加-est
①单音节单词small→smaller→smallest short→shorter→shortest tall→taller→tallest great→greater→greatest
② 少数以-er,-ow结尾的双音节单词clever→cleverer→cleverest narrow→narrower→narrowest
(2)以不发音e结尾的单音节单词,比较级在原形后加-r,最高级在原级后加-stlarge→larger→largest nice→nicer→nicest able→abler→ablest
(3)以一个辅音字母结尾的闭音节(即辅音+元音+辅音)单词中,先双写末尾的辅音字母,比较级加-er,最高级加-estbig→bigger→biggest hot→hotter→hottest fat→fatter→fattest
(4)以“辅音字母+y”结尾的双音节词,把y改为i,比较级加-er,最高级加-esteasy→easier→easiest heavy→heavier→heaviest busy→busier→busiest happy→happier→happiest
(5)其他双音节词和多音节词,比较级在前面加more,最高级在前面加mostbeautiful→morebeautiful→mostbeautifuldifferent→moredifferent→mostdifferent easily→moreeasily→mosteasily
(6)有少数形容词、副词的比较级和最高级是不规则的,必须熟记good→better→best well→better→bestbad→worse→worst ill→worse→worstold→older/elder→oldest/eldest many/much...。