Past Perfect Continuous. Re-write the sentences to correct the mistakes.

1. When I saw them, I realized they didn’t have been working.

2. She has been reading for 10 minutes when she had to stop.

3. She had resting for 10 minutes when the supervisor arrived.

4. By the time I met with them, they had waiting for a while.

5. I cleaning for 30 minutes when she decided to help me.

6. They had been walked for 7 minutes when they stopped.

7. We had been driven for a long time when we finally stopped.

8. When she had seen me, she had been looking for me for a long time.

9. I been eating for a minute when he came into the restaurant.

10. He had been sleep for 5 minutes when the phone rang.