Поставьте следующие предложения в the Past Simple и the Future Simple, употребляя соответствующие обстоятельства времени:
6. There is much snow in winter.
24. They are free on Sunday.
30. Everybody in the family is very glad to see him at home again.

6. there was much snow in winter
    there will be much snow in winter
24. they were free on sunday
      they will be free on sunday
30. Everybody in the family was very glad to see him at home again.
      Everybody in the family will be very glad to see him at home again.