Definition will in American English

Will is usually followed by an infinitive without “to”: She will be angry. Sometimes it is used without a following infinitive: I never have borrowed money, and I never will.

In conversation or informal writing will is often shortened to ’ll: Do you think it’ll rain?

Will does not change its form, so the third person singular form does not end in “-s”: Robert will be there.

Questions and negatives are formed without “do”: Will you help me?They will not accept our offer.

The negative form will not is often shortened to won’t in conversation or informal writing: Don’t worry – the dog won’t bite you.

Will is often used in tag questions: You won’t tell Dad, will you?

Will has no participles and no infinitive form. It is used for forming the future tense of other verbs, but does not have a future tense of its own.

Would can sometimes be used as the past tense of will, for example in indirect speech introduced by a verb in the past tense: He promised that he would return.

Will have forms the future perfect tense, which is used for describing actions that are expected to be completed before a time in the future: By the end of the course, you will have learned all the basic skills.