1. Your school is older than our school.
2. My father is older than my mother.
3. The Red river is shorter than the Mekong river.
4. Nam is shorter than An.
5. That box is darker than this one.
6. Nga's sister nearer than her.
7. The country is more peaceful than the city.
8. That building is taller than this one.
9. That exercise is easier than this one.
10. Mr Vinh is weaker than Mr Tan.
11. Ngoc is the smallest in my class.
12. No city in VN is bigger than HCM city.
13. Ha is the heaviest girl in my class.
14. No river in VN is longer than the Mekong river.
15. Lan is the most careful of us.
16. No one in Hoa's family more beautiful than her.
Form:
→S1 + S-adj + er/ S-adv- er + than + S2 + Axiliary V
→S1 + S-adj + er/ S-adv- er + than + O/ N/ Pronoun