What is future perfect tense?

The future perfect tense is used to describe an action that will be completed at a specific point in the future. It is formed by using the auxiliary verbs "will" or "shall" followed by "have" and the past participle of the main verb. For example, "By next year, I will have completed my degree."

The future perfect tense is often used to talk about predictions or projections about the future, such as "By the end of 2022, the company will have expanded its operations globally." It can also be used to emphasize the completion of an action before a specific time in the future, such as "She will have finished her assignments by the end of the week."

Overall, the future perfect tense is a useful tool for describing completed actions in the future, allowing speakers and writers to convey a sense of certainty about what will happen.