1-study

2-walks

3-goes

4-is helping

5-work

6-is travelling

7-wake

8-are not talking

9-doesnt cook

10-is singing

11-is she working

12-does they go

13-is knocking

14-is reading

15-watch, we are watching

1. Study (present simple)

2. Walk (present simple)

3. Go (present simple)

4. She is helping (present continuous)

5. Work (present simple)

6. Pete is traveling ( present continuous)

7. Wake ( present simple)

8.They aren’t talking ( present continuous)

9. Doesn’t cook ( present simple)

10. Ann is singing ( present continuous)

11. Is she working (present continuous)

12. Do they go ( present simple)

13. Someone is knocking (present continuous)

14. The man who is reading (present continuous)

15. Watch (present simple)