=>
33. having received 
34. Having met
35. have been researching
36. had known
37. This is the first time my father has eaten this food.
38. I was the only one to realize him.
39. She said that if the weather was fine, I would go on a picnic with her friends.
40. Having taken a rest, Minh felt more relaxed.

33. receiving 

34. meeting 

35. have been searching (dùng thì hiện tại hoàn thành tiếp diễn)

36. knew (câu điều kiện loại 2)

37. this is the first time my father has eaten this food (Đây là lần đầu tiên ... làm chuyện đó

                                                                                             => ...chưa bao giờ làm chuyện đó trước đây.)

38. I was the only one realize him

39. she said that if the weather was fined, I would went on a picnic with my friend (câu tường thuật)