1.A new car was bought last week by Jack
2.Old clothes are collected by these students
3.English is spoken by many people in the world
4. The work was done excellently.
5. The environment is polluted by throwing rubbish
6. That movie has been seen by Jack
7. A doll was bought yesterday by my sister .
8. English can not be spoken well by them
9. The housework has been done by Paul and Alice
10. Alice wasn't seen by anybody