Help me .

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Rice is grown in the north.
1. Cows aren't raised on our farm.
2. Oil-lamps were used years ago.
3. He will be met in the restaurant by the boss tomorrow.
4. (The) Fowls are fed by the old woman twice a day.
5. Are the windows often cleaned by him?
6. Cows aren't kept over there.
7. Is most of the farm work done by machine?
8. This book will be translated into Vietnamese.
9. Nothing could be done to put the fire out.
10. Where is English spoken?
Bị động HTĐ : 
(+) S is/am/are V3/ed (by O)
(-) S is/am/are not V3/ed (by O)
(?) Is/Am/Are S V3/ed (by O)
Bị động QKĐ : S was/were V3/ed (by O)
Bị động TLĐ : S will be V3/ed (by O)
Bị động : S could be V3/ed (by O)