will
modal verb.to talk about the future or something you plan to do. It also shows that someone is willing to do something or is certain that something is true.
modal verb.Expresses the future tense, a desire or willingness to perform an action, or a logical certainty. Functions as an auxiliary to a main verb, which always appears in its base form without 'to'.
“I will call you as soon as I arrive home.”
“The weather forecast says it will rain tomorrow, so we should move the party indoors.”
“The company maintains that it will continue to invest in renewable energy despite the current fluctuations in global market prices.”
An auxiliary verb followed by the bare infinitive of the main verb. It does not change form for the third-person singular.
will vs shall — Will is the standard marker for future intent and prediction, while shall is restricted to formal offers, suggestions, or legal obligations.
Clipping of William or, less often, other given names beginning with Wil-, such as Wilfred or Willard.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.