Dưới đây là dạng đúng của tính từ trong ngoặc:

1. This chair is **more comfortable** than that one.
2. Your flat is **larger**.
3. The weather today is **larger** than mine, than it was yesterday. (Nên chỉnh sửa thành “The weather today is **hotter** than mine, than it was yesterday.”)
4. Nile is the **longest** river in the world.
5. Chinese bicycles are **worse** than Japanese ones.
6. Mathematics is **more difficult** than English.
7. Ho Chi Minh is the **biggest** city in Vietnam.
8. He drives **more carefully** than his friend.
9. She sings **more beautifully** in this school.
10. I read **more slowly** than my sister.
11. Grace is the **oldest** girl in our class.
12. This exercise is **easier** than that one.
13. He is twice **as fat** as you.
14. Nam is **the noisiest** student of all.
15. My cold is **better** today than it was yesterday.
16. This exercise is **the easiest** of all.