11. hot -hotter- the hottest
12. happy -happier-the happiest
13. wet -wetter-the wettest
14. narrow -narrower-the narrowest
15. big - begger-the biggest
16. busy -busier-the busiest
17. noisy -noisier-the noisiest
18. dirty -dirtier-the dirtiest
19. thin -thinner-the thinnest
20. little -less-the least
21. bad -worse-the worst
