SEE REPORT Simple Future

will VERB
I will call you tonight.  OR  I'll call you tonight.
Negative Form: will not VERB
She won't tell you the answer unless you give her something.

Use 1: spontaneous decisions (decide now without planning)
Do you want a ride home?
No, thanks. I
'll walk home. It's such a nice day. (just decided to walk home)

Use 2: make a prediction
When we make guesses about what will happen, we use:
think...will  I think he'll be late as usual.
suppose...will    I suppose he will extend the deadline.
sure...will  I'm sure she'll need a new car.
bet...will  I bet it won't work.
will probably  Fran will probably be a few minutes late.

When asking what someone thinks, we use: do you think...will
Do you think it will cost much?
How much
do you think it will cost?
do you think she will do when she finds out?
do you think we will get their offer?
do  you think Marcy will react when she sees the new color?

Use 3: Use the simple future to volunteer or promise to do something.
Bruce: Who will bring refreshments?
Andrew: I
'll bring beer!
Ali: And I
'll bake some cookies.

I'll call the doctor tomorrow. I promise.

Don't use the simple future for planned actions. Use the present progressive 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)

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