1.more quickly, the most quickly 2.busier busiest3. thinner thinnest 4.5.6.9comfortable 都是前面加more和the most
7,better best 8, worse, worst 9,larger largest 10 more,most 11, farther,farthest 12. happier happiest
7.less, least 8, more,most 10hotter hottest 11.better, best 12.earlier earliest