chuyển câu chủ động qua bị động
1. what are you doing at this time?
2. someone will repair this window
3. somebody will do the job
4. Does Nam visit the school library everyday?
5. how many books do you give me?
6. they have paid doctors a lot of money( câu này có 2 tân ngữ) [ 3 passives]
camon m.n