please answer all the,questions because i need to learn this

Dear Student,

1. Tickets will be bought by me in advance.
2. Apples should be grown by us in the orchard.
3. It will be done by whom?
4. The shops would have been closed by them.
5. Would papers have been checked by you before Monday?
6. The dinners will have been prepared by her.
7. You are requested to change the faded curtains.

Regards