33. Mary, for whom I cooked a meal yesterday, is a vegetarian.
- Mệnh đề quan hệ: "whom " thay cho tân ngữ chỉ người.
34. Mary said she would come as soon as she was ready.
- Câu gián tiếp: S1+ said+ S2+ V(lùi thì)
35. The problem has been studied carefully by scientists.
- Câu bị động thì hiện tại hoàn thành: has/have+ PII
36. Mrs. Taylor wishes he didn't live in such a small house.
- Câu ước ở hiện tại: S1+wish (es) + S2+ V2