Chuyển từ chủ động sang bị động
1. Hungdreds of people visit the Washington Monument each day
- The Washington Monument
2. The Chinese invented paper, the main writing material today
- Paper,
3. They put on a new roof last year
- A new year
4. She delivers milk at about six o’clock
- Milk
5. The police are questioning the man
- The man
Chuyển từ chủ động sang bị động
1. Hundreds of people visit the Washington Monument each day
- The Washington Monument is visited by hundreds of people.
2. The Chinese invented paper, the main writing material today
- Paper, the main writing material today, was invented by the Chinese.
3. They put on a new roof last year
- A new roof was put on last year by them.
4. She delivers milk at about six o’clock
- Milk is delivered at about six o'clock by her.
5. The police is questioning the man
- The man is being questioned by the police.
