Chuyển các câu sau thành câu bị động
1/ Mary types letters in the office.
⇒ Letters are typed by Mary in the office.
2/ His father will help you tomorrow.
⇒ You will be helped by his father tomorrow.
3/ Peter broke this bottle
⇒ This bottle was broken by Peter.
4/ They are learning English in the room.
⇒ English being learned in the room.
5/ My student will bring the children home.
⇒ The children will be brought home by my student.
6/ They sent me a present last week.
⇒ A present was sent to me last week.
