clean- cleaner- cleanest 干净的healthy--healthier--healthiest健康的dirty- dirtier- dirtiest 脏的funny--funnier--funniest滑稽的big- bigger- biggest 大的small -smaller- smallest 小的ill -iller- illest 生病的little--less- least少的 hard--harder- hardest努力地 happy--happier- happiest 高兴地far-farther/further -farthest/furthest远的 good--better-- best 好的slow--slower-- slowest 慢的easy--easier --easiest 简单的new--newer --newest 新的young--younger-- youngest年轻的rude--ruder-- rudestquiet--quieter --quietest安静的dry--drier --driest 干燥的cheap--cheaper- cheapest便宜的 ugly-uglier -ugliest 丑陋的 busy--busier --busiest 忙碌的 old--older/elder- oldest/eldest忙碌的noise --noisier noisiest 嘈杂的 hot--hotter -hottest热的cold--colder- coldest 冷的fast--faster- fastest 快的wet--wetter -wettest 湿润的early--earlier- earliest早的bright--brighter -brightest boring--more boring -most boring无聊的careful--more careful -most careful小心的 puietly --more puietly -most puietly expensive--more expensive -most expensive昂贵的difficult--more difficult -most difficult 困难的more interesting -most interesting 有趣的beautiful - more beautiful -most beautiful漂亮的注::多音节在前面加more(比较级),most(最高级) 一般在单词后面加er(比较级),est(最高级) 当然,与动词一样,也有不规则变化 如::little--less- least少的 楼主啊!这么多够啦吧???手打!!!!望楼主采纳!!!!↖(^ω^)↗