will

Will be used in the simple future for all other persons. Using will in the first person would express determination on the part of the speaker, as in "We will finish this project by tonight, by golly!"and in the U.S., to express the future tense, the verb will is used in all other cases.That is to say,
"Will" is used with promises or voluntary actions that take place in the future. "Will" can also be used to make predictions about the future. For more information on using "will" and associated exercises, visit the Simple Future section of our Verb Tense Tutorial.

Examples:

• I promise that I will write you every single day. promise
• I will make dinner tonight. voluntary action
• He thinks it will rain tomorrow. prediction

More Examples of "Will"

Modal Use	Positive Forms	Negative Forms	You can also use:
will future action, prediction	The marketing director will be replaced by someone from the New York office. Fred will be there by 8:00.	The marketing director will not be replaced after all. Fred will not be there. He has a previous obligation.	shall
will volunteering, promising	I will take care of everything for you. I will make the travel arrangements. There's no need to worry.	I will never forget you. I will never give up the fight for freedom.	shall