Write the following sentence in the passive form (past tenses).
1. This boy was helping the old lady.
2. Tom opened the door.
3. She ate two pieces of cake.
4. Two horses were pulling the farmer's wagon.
5. Did rose open the door?
6. She was writing a letter.
7. They knocked him out.
8. I didn't write that note.
9. Jack scored the winning goal.
10. Dr. Ideka developed that theory.
11. Timmy dropped the cup.
12. The assistant manager interviewed me.
13. A hurricane destroyed the small fishing village.
14. The lightning didn't cause the fire.
15. Did the army surround the enemy?