Bài 1: Write these sentences in a diffirent way using might.
| 1. Perhaps Helen is in her office. | She might be in her office |
| 2. Perhaps Helen is busy. | ......................... |
| 3. Perhaps she is working. | ......................... |
| 4. Perhaps she wants to be alone. | ......................... |
| 5. Perhaps she was ill yesterday. | ......................... |
| 6. Perhaps she went home early. | ......................... |
| 7. Perhaps she had to go home early. | ......................... |
| 8. Perhaps she was working yesterday. | ......................... |
| In sentences 9-11 use might not: | |
| 9. Perhaps she doesn't want to see me. | ......................... |
| 10. Perhaps she isn't working today. | ......................... |
| 11. Perhaps she wasn't feeling well yesterday. | ......................... |