1. strong -> stronger -> the strongest
2. colourful-> more colourful-> the most colourful
3. tall -> taller -> the tallest
4. comfortable-> more comfortable-> the most comfortable
5. heavy -> heavier-> the heaviest
6. expensive -> more expensive -> the most expensive
7. good -> better-> the best
8. wonderful-> more wonderful-> the most wonderful
9. dangerous -> more dangerous-> the most dangerous
10. hot -> hotter-> the hottest
11. beautiful-> more beautiful-> the most beautiful
12. intelligent-> more intelligent-> the most intelligent
13. ugly-> uglier-> the ugliest
14. fashionable-> more fashionable-> the most fashionable
15. interesting-> more interesting-> the most interesting
16. important-> more important-> the most important