Chuyển đổi câu GHI CẤU TRÚC ĐỂ VIẾT CÂU ĐÁP ÁN VS Ạ 1. I started teaching English three years ago. => I have 2. The last time I went to HCM City was ten years ago. => It 3. Althought he was very tired, he tried to help me with my homework. => Tired as 4. The car is too expensive. I can't afford it. => I was 5. It't the first time. I' ve been to New York. => I haven't 6. " You damaged my camera " said Hung to his sister. => Hung accused 7. We đin't have any holidays until this summer. => It was not 8. If you hadn't studied hard, you would have failed the exain. => Had 9. It was a mistake for him to buy that house. => He shouldn't 10. This is the best film. I've ever seen. => I've

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1. I have taught English for three years.

-> chuyển QKĐ sang HTHT, S have/has V3/ed, for + khoảng thời gian

2. It is ten years since I last went to HCM City.

-> It is + time + since S (last) V2/ed

3. Tired as he was, he tried to help me with my homework.

-> Adj as S tobe : mặc dù

4. I was not rich enough to buy the car.

-> adj enough to V : đủ...để

5. I haven't been to New York before.

-> S have/has not V3/ed before ~ It's the first time + HTHT

6. Hung accused his sister of damaging his camera.

-> accuse sb of Ving : buộc tội ai 

7. It was not until this summer that we had some holidays.

-> It was not until .... that S V2/ed (quá khứ)

8. Had you not studied hard, you would have failed the exam.

-> đảo ngữ đk loại 3 : Had S (not) V3/ed, S would have V3/ed

9. He shouldn't have bought that house.

-> should (not) have V3/ed : lẽ ra (không) nên

10. I've never seen a better film than this film.

-> S have/has never V3/ed a + tính từ so sánh hơn + than this N