Przekształć poniższe zdania ze strony czynnej na bierną lub ze strony biernej na czynną:

1. Jack drank some water.
2. The Japanese sell good quality cars.
3. A photo of Rysy was taken by a tourist.
4. You should speak to your mother.
5. Dolphins are seen by fishermen.
6. Silence must be kept.
7. What did Jake sell?
8. Who was called by Frank?
9. Tina doesn’t eat eggs.
10. Mary didn’t sing French songs.