Dưới đây là các câu bị động ở quá khứ đơn cho các câu đã cho:

1. Peter broke this bottle.
→ This bottle was broken by Peter.

2. They sent present last week.
→ The present was sent last week.

3. She gave more information.
→ More information was given by her.

4. The children looked at the woman.
→ The woman was looked at by the children.

5. The policeman kept me for an hour.
→ I was kept for an hour by the policeman.

6. He spelt this word wrongly.
→ This word was spelt wrongly by him.

7. They cleaned the floor.
→ The floor was cleaned by them.

8. He picked up the gun.
→ The gun was picked up by him.

9. We stopped the bus.
→ The bus was stopped by us.

10. A thief stole my car.
→ My car was stolen by a thief.

11. She didn't win the prize.
→ The prize wasn't won by her.

12. They didn't make their beds.
→ Their beds weren't made by them.

13. My mother cleaned the floor yesterday.
→ The floor was cleaned by my mother yesterday.

14. My father watered these flowers.
→ These flowers were watered by my father.

15. John invited Fiona to his birthday party last night.
→ Fiona was invited to John's birthday party last night by him.