Dưới đây là các câu đã được viết lại với nghĩa không đổi:

1. This last time Tom came back to his hometown was 5 years ago. → Tom hasn’t been back to his hometown for 5 years.
2. He started working as a teacher 6 months ago. → He has been working as a teacher for 6 months.
3. It has been 3 years since we first went to Japan. → We have been to Japan for 3 years.
4. I last had my hair cut in June. → I haven’t had my hair cut since June.
5. The last time we met was 2 years ago. → We haven’t met for 2 years.
6. It has been a long time since we last called each other. → We haven’t called each other for a long time.
7. When did you have 10 scores in Math? → How long has it been since you had 10 scores in Math?
8. This is the first time I have had such an exciting trip. → I have never had such an exciting trip before.
9. I haven’t seen Anna for 10 days. → It has been 10 days since I last saw Anna.
10. Today is Sunday. I haven’t taken a bath since Thursday. → It has been since Thursday that I last took a bath.