Поставьте последующие предложения в the Past Simple и the Future Simple,

1. There is much snow in winter. - There was much snow last winter. - There will be much snow next winter.
2. They are free on Sunday. - They were free last Sunday. - They will be free next Sunday.
3. Everybody in the family is very glad to see him at home again. - Everybody in the family was very glad to see him at home again last weekend. - Everybody in the family will be very glad to see him at home again next weekend.