Our project won't be finished on time.
USE WILL OR GOING TO FOR FACTUAL INFORMATION OR PREDICTIONS BASED ON WHAT YOU KNOW
I'll just stop by my apartment to change clothes.
I'm meeting Anna after my aerobics class.
USE WILL WHEN YOU DECIDE TO DO SOMETHING AS YOU ARE SPEAKING.
I'm not doing anything tonight.
You're going to be out of town, but you'll be back Friday?
USE THE PRESENT CONTINUOUS OR GOING TO (NOT WILL) FOR DECISIONS YOU'VE MADE AND FIXED PLANS.
My boss is going to make us work late Friday.
I have my aerobics class tomorrow.
USE THE SIMPLE PRESENT FOR SCHEDULES.
We're going to have dinner together.
I'll come right over to meet you.
It starts at 7:00.
