1. large

2. longer

3. intelligent

4. more boring

5. further

6. a far

7. more intelligent

8. harmful

9. the most beautiful

10. stubborn

11. worser; bad

12. the most exiting

13. tired

14. newer

15. better

16. upset

17. more polite

18. the fastest

19. pleasant

20. more interesting

21. aggressive

22. more important

23. sweet

24. more devoted

25. the most convenient

26. more expensive

27. dirty; dirtier

28. less

29. warmer

30. angrier