1. Mark drives more dangerously than his brother.
--> Mark is a more dangerous driver than his brother.
2. Helen speaks more persuasively than her friend.
--> Helen is a more persuasive speaker than her friend.
Cấu trúc câu so sánh hơn dạng chuyển trạng từ thành tính từ
S1 + V + more adv/ adv-ier than S2
=> S1 +be + a + more adj + Noun-er (chỉ người) + than S2