Ответ:

я буду писать уже сами формы

2. more expensive, the most expensive

3. stronger, the strongest

4. more difficult, the most difficult.

5. more intelligent, the most intelligent

6. closer, the closest

7.  more popular, the most popular

8. safer,  the safest

9. more important, the most important

10.louder, the loudest

11. weaker, the weakest

12. tastier, the tastiest

13. more comfortable, the most comfortable

14. more delicious, the most delicious