This document contains examples of simple sentences describing what various people and groups are doing, followed by making those sentences negative and interrogative. Each sentence states an action like taking a photograph, using the computer, cooking dinner, playing tennis, eating, watching tv, or studying English. Then negative versions using "not" and interrogative versions using question words like "is" or "are" are provided for each statement.

1. What are they
doing?

2. What is she doing?
(take a photograph)

3. She is taking a
photograph.

4. What is he doing?
(use the computer)

5. He is using the
computer.

6. What is he doing?
(cook dinner)

7. He is cooking dinner

8. What is she doing?
(play tennis)

9. She is playing tennis.

10. What are you doing?
(eat)

11. I am eating.

12. What are they doing?
(watch tv)

13. They are watching tv

14. What are we doing?
(study English)

15. We are studying
English

16. Dialogue
Make negative and
interrogative sentences

17. (-) She is not taking a
photograph.
(?) Is she taking a photograph?

18. (-) He is not using the
computer.
(?) Is he using the computer?

19. He is not cooking dinner.
Is he cooking dinner?

20. She is not playing tennis.
Is she playing tennis?

21. I am not eating.
Am I eating?

22. They are not watching tv.
Are they watching tv?

23. We are not studying English
Are we studying English?