Adjectives

1. far - further - the furthest
2. beautiful - more beautiful - the most beautiful
3. big - bigger - the biggest
4. stupid - more stupid - the most stupid
5. funny - funnier - the funniest
6. difficult - more difficult - the most difficult
7. comfortable - more comfortable - the most comfortable
8. serious - more serious - the most serious
9. good - better - the best
10. happy - happier - the happiest
11. little - less - the least
12. common - commoner - the commonest
13. cruel - crueler - the cruelest
14. gentle - gentler - the gentlest
15. likely - likelier - the likeliest
16. narrow - narrower - the narrowest
17. pleasant - more pleasant - the most pleasant
18. polite - politer - the politest
19. shallow - more shallow - the most shallow
20. simple - simpler - the simplest