Tham khảo
1. Mary types letters in the office.
=> Letters are typed in the office by Mary.
2. His father will help you tomorrow.
=> You’ll be helped by his father tomorrow.
3. Science and technology have completely changed human life.
=> The human life has completely been changed with science and technology.
4. Peter broke this bottle.
=> This bottle was broken by Peter.
5. They are learning English in the room.
=> English is being learnt in the room.
6. Nothing can change my mind.
=> My mind can’t be changed.
7. No one had told me about it.
=> I hadn’t been told about it.
8. I don’t know her telephone number
=> Her telephone number isn’t known
.9. My students will bring the children home.
=> The children will be brought home by my students.
10. They sent me a present last week.
=> I was sent a present last week.
11. She gave us more information.
=> We were given more information.
12. The chief engineer was instructing all the workers of the plan.
=> All the workers of the plan were being instructed by the chief engineer.
