1. Big
a) the biggest
b) the most big

2. Interesting
a) the interestingest
b) the most interesting

3. Crazy
a) the craziest
b) the most crazy

4. Beautiful.
a) the beautifulest
b) the most beautiful

5. Old
a) the oldest
b) the most old

6. Intelligent
a) the intelligentest
b) the most intelligent

7. Great
a) the greatest
b) the most great

8. Soft
a) the softest
b) the most soft

9. Small
a) the smallest
b) the most small

10. Exciting
a) the excitingest
b) the most exciting