1. important-importantly-the most important
2. hardly-harder-the hardest
3. rapidly-rapider-the rapidest
4. happily-happier-the happiest
5. well-better-the best
6. sincerely-sincerer-the sincerest
7. early-earlier-the earliest
8. loudly-louder-the loudest
9. badly-worse-the worst
10. nicely-nicer-the nicest
11. fast-faster-the fastest
12. urgently-more urgently-the most urgent
13. mildly-milder-the mildest
14. late-later-the latest
15. little-less-the least