1. Three foreign languages are taught in this school.
2. This letter was received after his departure.
3. Have you been attacked by the dogs?
4. Honey is gathered from flowers( by bees).
5. The ship was driven against the rock.
6. By whom was the circulation of blood discovered?
7. Delicious fruit ice cream is being sold there now.
8. The way out of the wood was shown by the old man.
9. Some interesting work was offered to her.
10. New medicine was prescribed to her.
11. He isn't much thought of.
12. This funny animal was laughed at.
13. You are being looked for the whole morning.
14. Strict discipline shall be insisted on.
15. This computer program have just been written by him.