Помогите пж, срочно!!!!! Дам 40 баллов

Запишите предложения, переведя глагол из активного залога в пасивный. Полученые предложения переведите: 

1. The Police office is investigating the latest robbery. The latest robbery..........

2. The police established his quilt beyond doubt. His quilt.........

3. The Government had already taken a number of measures to srtengthen the criminal justice system by the beginning of the year. A number of measures..........

4. I don't sign anything until l have consulted a lawyer. Anything............