*Cấu trúc câu so sánh hơn: S1 + V + more/less + adj/adv hoặc adj-er/adv-er + than + S2.
Cấu trúc câu so sánh nhất: S + V + the most/least/second/third/... + adj/adv hoặc adj-est/adv-est.*
1, intelligent
2, more convenient
3, the most polluted
4, the most spacious
5, the most stunning