Future Forms: Present Continous, Be Going To, Will/Won't
We __________ (leave) for Spain tomorrow. Our tickets are booked!
We are leaving for Spain tomorrow. Our tickets are booked! (Present Continuous – fixed plan)
She looks really pale! She __________ (faint).
She looks really pale! She is going to faint. (Be Going To – based on present evidence)
Don’t worry, I __________ (call) you as soon as I arrive.
Don’t worry, I will call you as soon as I arrive. (Will – promise)