6) Write "when" or "while". Nursultan played on a basketball team he was a kid.

Nursultan played on a basketball team WHEN he was a kid

Nursultan played on a basketball while he was a kid

2. went

3. have you ever been

4. went

5. have sold

6. did you sell

7. sold

8. went

9. haven't been

10. have never seen

1.can

2.could

3.will be able

4.can

5.can(сомневаюсь,не вижу перехода времени)

6.can

7.can