Dưới đây là các câu đã được chuyển thành câu bị động:

1. His bedroom isn’t cleaned by Sang every day.
2. A campaign to protect the environment will be organized by the Youth Union.
3. The building has been repaired since last Sunday.
4. The young men were questioned by the police yesterday.
5. The results will be sent to you as soon as they are ready.
6. More dustbins should be installed in public places by the local authority.
7. The cinema was being repaired when we came.