Помогите с passive voice 1 the broyght the piano into the room. 2 they ate all the cokes esterday . 3 we shall english this work in time 4 the little boy will show you the way . 4 they sent the telegram before his brother returned . somebody has left the door open

1. The piano was brought into the room. 2. All the cookies were eaten yesterday. 3. This English work will be done in time. 4. The way will be shown by the little boy. 5. The telegram had been sent before his brother returned. 6. The door has been left open by somebody.