The Future:

The future with will is used when you decide at the moment of communicating or when you are making a prediction (non premediated action). It is also used in the conditional one.

Structure:

Subject+will+verb
Will+subject+verb
Subject+will not (won't)
Will+ subject+not+verb
Won't+subject+verb

Examples:

I will get the phone.
I will not get the phone.
I won't get the phone.
I will say hello if I see him.
Will I get the phone?
Will I not get the phone?
Won't I get the phone?
Will you say hello if you see him?