From Active to Passive - Irregular verbs

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Transform these active sentences into passive sentences (don't write "by them"):
Respect the tenses and the affirmative, negative and interrogative form.
1. They break the windows every day. > The windows every day.
2. They don't know her. > She .
3. Do they often do this? > ?
4. They took Peter. > Peter .
5. They didn't give the keys. > The keys .
6. Did they eat the food? > ?
7. They will write a letter. > A letter .
8. If someone hit them, they would not tell the secret. > If they , the secret .