英语单词·比较级pretty cheap funny old dramatic dirty difficult sunny noisy fast comfortable relaxing easy safe 拜托再加几个：healthy good exciting fast warm energetic enjoyable

单音节如 cheap old fast safe warm 后面都是直接加-er
easy healthy funny sunny noisy pretty改y为i再加er
good better
多音节如 dramatic difficult comfortable relaxing exciting energetic enjoyable 都是前面加more

pretty prettier
cheap cheaper
funny funnier
old elder/older
dramatic more dramatic
dirty dirtier
difficult more difficult
sunny 没有比较级
noisy more noisier
fast faster
comfortable more comfortable
relaxing more relaxing
easy easier
safe safer
healthy healthier/more healthy
good better
exciting more exciting
warm warmer
energetic more energetic
enjoyable more enjoyable