形容词∕副词的比较级与最高级形式： 一、直接在形容词∕副词词尾 +“ er”或“est ”： long_ longer_ longest short_ shorter_ shortest tall_ taller_ tallest smart_smarter_smartest old_ older_ oldest new_ newer_ newest fast_ faster_ fastest slow_ slower_ slowest thick_thicker_thickest small_smaller_smallest quiet_quieter_quietest hard_ harder_ hardest warm_warmer_warmest tight_ tighter_ tightest strong_ stronger_ strongest 二、以辅音字母 + “y”结尾的形容词∕副词，首先变“y”为“ i”，再 +“ er”或“est ”： funny_ funnier_ funniest pretty_ prettier_ prettiest ugly_ uglier_ ugliest busy_ busier_ busiest easy_ easier_ easiest lazy_ lazier_ laziest early_ earlier_ earliest 三、双写尾字母，再 +“ er”或“est ”： big_ bigger_ biggest hot_ hotter_ hottest fat_ fatter_ fattest thin_ thinner_ thinnest 四、不规则的形容词∕副词： much/ many_ more_ most good/ well_ better_ best 本文来源：https://www.wddqw.com/doc/4b2bc16d1eb91a37f1115c6e.html