Present Perfect Continuous. Change the following sentences to negative.

1. They have been working together since last month.

2. She has been seeing a psychologist recently.

3. She has been visiting John.

4. She has been waiting for a long time.

5. She has been feeling sick this week.

6. They have been behaving better.

7. He has been paying attention.

8. It has been breaking down a lot lately.

9. He has been working hard lately.

10. He has been complaining a lot lately.