This document compares the future simple and future perfect tenses in English.
[1] The future simple is used to talk about actions that will happen at a specific time in the future. It uses "will" or "be going to" as helping verbs.
[2] The future perfect tense is used to talk about actions that will be completed before another time or event in the future. It uses "will have" as a helping verb and the past participle of the main verb.
[3] Examples are provided to illustrate the difference between the future simple, which refers to a single action, and the future perfect, which refers to an action that will be finished before another time.