1.Tomorrow ( to be ) Monday.
2.Even the sun ( to die ) some day.
3.My brother ( to be ) twenty next year.
4.You ( to call ) me tomorrow?
5.He ( to be ) in St.Petersburg tomorrow?
6.The car of the future ( to be ) comfortable.
7.I think he ( not to pass ) his exam tomorrow.
8.Extensive forests ( to remain ) in the UK in 3000?
9.People ( not to clear ) much forest land in the future.
10.I hope the weather ( to keep ) fine next weekend.