ПОЖАЛУЙСТА, ПОМОГИТЕ!!!!! ДАЮ 15 БАЛЛОВ!!!Необходимо ПЕРЕВЕСТИ В ПАССИВНЫЙ ЗАЛОГ: 1. They

ПОЖАЛУЙСТА, ПОМОГИТЕ!!!!! ДАЮ 15 БАЛЛОВ!!!
НУЖНО ПЕРЕВЕСТИ В ПАССИВНЫЙ ЗАЛОГ:
1. They have offered me a job at a local bank.
2. Have you warned them about the meeting?
3. Someone has stolen a picture from a museum.
4. I have lost some secret papers.
5. We have kept this meat in the fridge for a week.
6. The police have found a dead body in the park.
7. They had packed the suitcases when the bellboy arrived.
8. They had sold the famous house to an American before I learnt about it.
9. I didn"t attend the meeting because we hadn"t warned me.
10. The room looked dirty because we hadn"t cleaned it for a week,
11. They will clear up the situation when they have known some more facts.
12. They will have repaired my shoes by the evening.