1.They have provided thousand of people with food.

⇒Thousand of people have been provided with food by them.

2.I was watching the news on TV at 8.00 last night.

⇒The news was being watched on TV at 8.00 last night.

3.Do they play football?

⇒Is football played by them?

4.Students must not leave bicycles in the hall.

⇒Bicycles must not be left in the hall.

5.I thinks he is honest.

⇒He is thought to be honest.

6.The teacher corrects our exercises.

⇒Our exercises are corected by the teacher

7.Liz took that book from the desk.

⇒That book was taken from the desk by Liz.

8.People said that he left the town.

⇒It was said that he had left the town.

9.How many students did you teach.Sir?

⇒How many students were taught by you, sir?

10.The staff is going to explain the problem to the president.

⇒The problem is going to be explained to the president by the staff.

1.Thousands of people have been provided with food

2.. The news on TV was being watched at 8.00 last night.

3. Is football played by them?

4. Bicycles must not be left in the hall

5. He is thought to be honest

6. Our exercises are corrected by The teacher

7.That book was taken from the desk by Liz

8. It was said that he had left the town

9. How many students were teached by you, Sir?

10. The problem is going to be explained to the president by the staff