Complete the table by adding the comparative and superlative forms of the adjectives.

1. angry - angrier - the angriest 2. bad - worse - the worst 3. big - bigger - the biggest 4. serious - more serious - the most serious 5. clean - cleaner - the cleanest 6. famous - more famous - the most famous 7. good - better - the best 8. heavy - heavier - the heaviest 9. interesting - more interesting - the most interesting 10. safe - safer - the safest