SIMPLE FUTURE:

b) USAGE:

1.- A future prediction:
I'm sure you will have a wonderful time tomorrow.

2.- A spontaneous decission:
The window is closed. I will close it.

3.- To make an offer, a promise or a threat.
I promise I will pass this test.

4.- Future events in a timetable:
The lesson will start at 10:50, so please be on time.

5.- Future actions happening without the speaker's intention (birthday, weather, etc.)
I will be 18 tomorrow.