1. They always ( visit) their grandparents on the weekend.

2. They ( visit) their grandparents next weekend.

3. He ( not have) English lessons tomorrow.

4. He ( not have) English lessons on Tuesdays.

5. What you often (do) in your free time ?

6. What you (do) tomorrow ?

7. She (be) here in 30 minutes.

8. I ( call ) you soon.

9. I(not go) working until the rain (stop ).

10. We don't know what he ( do ) after he ( finish ) school.

11. You usually ( walk ) to school?

12. They ( come ) here as soon as they ( finish ) their homework.

13. My father ( not work ) tomorrow because it ( be ) Sunday.

14. My son ( be ) four years old on his next birthday.

15. He ( not play ) soccer with his friends tomorrow. He (stay)at home and ( watch )TV.

16. Nam ( not visit ) us next Sunday because he has to work.

17. I think 20 years from now more people (take up) outdoor activities.

18. What your mother (do) at weekends?

19. In my opinion, in the future people (not play) individual games.

20. We (not like) roller skating because it’s dangerous.