Zamień poniższe zdania na stronę bierną i określ czas gramatyczny.

1. We make cheese from milk.
2. They didn’t open the bridge until 1998.
3. Somebody stole Julia’s handbag yesterday.
4. Tommy Hilfinger designed her dress.
5. Christopher Columbus discovered America in 1492.
6. She cleans the windows once a week.
7. The students are writing a test now.
8. Did the postman deliver letters yesterday?
9. The secretary will write the report tomorrow.
10. Have the kids done their homework yet?