1. Fat - fatter - the fattest
2. Important - more important - the most important
3. Young - younger - the youngest
4. Beautiful - more beautiful - the most beautiful
5. Good - better - the best
6. Common - more common - the most common
7. Thin - thinner - the thinnest
8. Tall - taller - tallest
9. A lot - more - the most
10. Pretty - prettier - the prettiest
11. Careful - more careful - the most careful
12. Bad - worse - the worst
13. Far - farther (про расстояние), further (for futher information - для дальнейшей информации) - the farthest (the furthest)
14. Famous - more famous - the most famous
15. Lucky - luckier - the luckiest
16. Simple - simpler - the simplest
17. Hard - harder - the hardest
18. Angry - angrier - the angriest
19. High - higher - the highest
20. Delicious - more delicious - the most delicious
21. Little - less - the least
22. Foolish - more foolish - the most foolish
23. Elegant - more elegant - the most elegant
24. Fast - faster - the fastest
25. Tired - more tired - the most tired
26. New - newer - the newest
27. Sad - sadder - the saddest
1. Prettier
2. Thicker
3. More
4. Fewer
5. The most exciting
6. More dangerous
7. More hardworking
8. Farthest
9. The worst
10. Happier
11. The most important
12. Nearest
13. Older
14. The oldest
15. Oldest, older
16. Narrowest
17. The most expensive
18. The most handsome
19. The most tired
20. More careful