Form: will be
Negative Form: will not be
or won't be VERBing
will be waiting
at the baggage claim area when you arrive.
I won't be waiting for
you when you get back.
actions that will be happening at a certain time in the future.
They will be showing the movie by the time you arrive.
I will be staying at my
summer cottage if you need me.
For future plans, use the present continuous or "going to":
John is taking
time off in August, and we're heading
up to our cottage in Vermont. (use with already arranged future plans)
The nursing department is
going to expand into a new building sometime.
(use with intention of doing future plans)