1. The safe is usually locked carefully
2. The safe is kept in the bedroom on the second floor
3. Everything in it were stolen by the thief yesterday.
4. The police were told about it by us
5. Everybody in the house were questioned by the police
6. Everybody was questioned in the house by the police
7. The house was surrounded by the police
8. The police did not think that the thieves were caught by them