Future
Will
Form
followed by an infinitive
short forms
will= 'll
will not= won't
Uses
to make offers and promisses
I'll call you when I arrive
to talk about predictions
The movie "Zenith" will win several Academy Awards.
to make spontaneous decisions
A: I'm hungry
B: I'll make some sandwiches
be going to
Form
followed by an infinitive
Use
to talk about plans and intentions
He's going to spend holidays in Paris
Present continuous
Form
to be (present) + verb-ing
Use
to express future arrangements
I'm having dinner with friends on Saturday
Present simple
Form
verb (s)
Use
to talk about timetables and schedules (near future)
The train leaves at 6 PM