33. This supermarket is less expensive than the one across the street. 

( So sánh ít hơn: S + be + less + adjective + than + O)

34. The English teacher has taught at our school for three years.

(Câu trên dùng past simple, nên câu dưới dùng past perfect: S + have/ has + V3/ed + for-time)

35. If you don't study harder, you won't pass the exam.

(Câu điều kiện loại 1: If + S + V, S + will/ won't + V)

36. What a beautiful village!

(Câu cảm thán: What + a/ an + adj + danh từ đếm được)

38.  I find it more interesting to see romantic films than to see war films .

(S + find + adj + to V + O)

39. When did you build this stilt house?

(When + trợ từ + S + V + O?)