Which sentence represents future perfect tense?

The sentence that illustrates future perfect tense effectively conveys an action that will be completed at a specific point in the future. In this case, "By next week, he will have completed the analysis" indicates that the action of completing the analysis is anticipated to be finished before the defined future time, which is "next week." The use of "will have completed" is characteristic of the future perfect tense, signifying both a future time aspect and the completion of an action prior to that time.

This tense is particularly useful for discussing plans or predictions about future actions and makes it clear that the analysis will be fully wrapped up by the specified deadline. Such clarity is essential in effective communication about future events, emphasizing the importance of proper tense usage.