1. Letters are typed in the office (by Mary).

2. I will be helped (by his father) tomorrow.

3. This bottle was broken (by Peter).

4. English is being learned in the room.

5. The children home will be brought by my students.

6. I was sent a persent last week.

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.