When we have already planned to do something we use:

When we talk about warnings, offers, predictions, promisses we use:

Hurry! the movie ______ in 10 minutes.

I ___________ Tina at the airport tomorrow.

I promisse I ________ you forever.

What time ___________the next train to Hull_________?

We_____________ to New York tomorrow morning.

Perhaps, I _________ you tomorrow.

Look the sky is dark. It _____ .