Helppppp 11. I started working for the company a year ago. I have been ... 12. It is one hundred years since the birth of D.H Lawrence, the famous novelist. D.H Lawrence ... 13. How long have Catherine and Henry been engaged? When ... 14. I last saw him when I was a student. I haven’t ... 15. It is ages since Alan visited his parents. Alan hasn’t ... 16. The train left before he got to the station. By the time ... 17. The school was founded ten years ago. It is ten years ... 18. “Why didn’t I get a computer before? “ thought the office manager.  The office manager wondered ... 19. “ You stole my best cassette, Amanda!” said William. William accused ... 20. “ You damaged my bicycle, John!” said Margaret. Margaret accused ...

Để giải quyết bài tập này, chúng ta cần chuyển đổi các câu sau đây từ thì quá khứ đơn sang thì hiện tại hoàn thành:

11. I have been working for the company for a year.
12. D.H Lawrence has been dead for one hundred years.
13. When did Catherine and Henry get engaged?
14. I haven't seen him since I was a student.
15. Alan hasn't visited his parents in ages.
16. By the time he got to the station, the train had already left.
17. It is ten years since the school was founded.
18. The office manager wondered why he hadn't got a computer before.
19. William accused Amanda of stealing his best cassette.
20. Margaret accused John of damaging her bicycle.

Hy vọng bài giải pháp trên sẽ giúp bạn hiểu rõ cách chuyển đổi thì giữa các câu. Nếu có bất kỳ câu hỏi nào khác, đừng ngần ngại để lại để chúng ta có thể giải quyết cùng nhau.

Alan hasn’t visited his parents in ages.

I haven’t seen him since I was a student.

When did Catherine and Henry get engaged?

D.H Lawrence was born one hundred years ago.