You will pass that exam. I tell you!
I'm going to Europe next month.
They are coming to have lunch tomorrow.
You will be living in that house next month.
She was going to come, but she had to stay home.
The plane leaves at 6:00 am.
When you get home, I'll have finished cooking.
Action completed BEFORE a particular time in the future.
PREDICTIONS, facts, decisions made at the moment, offers, promises
Action scheduled to happen in the past but didn't happen
Fixed arrangements we have made.
Activities in PROGRESS at a future point in time (intentions and fixed events)
Timetables and scheduled events.
Personal PLANS, predictions based on present evidence.