形容词变比较级的规则变化中的2个条件答:heavy-heavier,happy-happier,easy-easier,lucky-luckier,sleepy-sleepier,crazy-crazier,dirty-dirtier,funny-funnier,ugly-uglier. big--bigger--biggest,fat--fatter--fatter,hot--hotter--hottest,red--redder--reddest thin--thinner--thinnest,wet--wetter--wettest,sad--sadder--saddest ...