Write these sentences in a different way using might. In sentences 9-11 use might not.

1. Perhaps Helen is 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.
    .
9. Perhaps she doesn't want to see me.
    .
10. Perhaps she isn't working today.
     .
11. Perhaps she wasn't feeling well yesterday.
     .