1) We usually lock the safe carefully.
→The lock is usually locked carefully by us.
2) We keep the safe in the bedroom on the second floor.
→ The safe is kept in the bedroom on the second floor by us.
3 )Yesterday the thieves stole everything in it.
→ Everything in it were stolen by the thief yesterday.
4 )We told the police about it.
→The police were told about it by us
5) The police checked everything in the house.
→Everything in the house were checked by the police.
6) The police questioned everybody in the house.
→ Everybody in the house were questioned by the police
7) The police surrounded the house.
→The house is surrounded by the police
8) The police did not think that they caught the thieves.
→The police did not think that the thieves were caught by them
Chúc bạn học tốt!!!