33. I haven't spoken to her for three years.
→ It's + time + since + S + last + V2/ed
= S + have/has + not + V3/ed + for + khoảng thời gian.
34. If I had much free time, I could visit you more often.
→ câu ĐK loại 2 ( diễn tả 1 sự việc không thể xảy ra ở hiện tại ): If + S + QKĐ, S + would/could (not) + V0
35. Their house has been decorated for over a week.
→ câu bị động thì HTHT: S + has/have + been + V3/ed + (by+O) + time.
36. Binh asked Lien if she was studying in that school.
→ S + asked + O + if/wheter + S + V(lùi thì): câu tường thuật dạng câu hỏi Yes/No ( lùi thì HTTD → QKTD, chuyển 'you' → 'she', 'this' → 'that' )
