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Future-perfect tense verbs express actions that will have occurred or conditions that will have been at a specific time in the future. They can also express actions that will have occurred or conditions that will have been before another future action or condition.
The future perfect tense is created with the auxiliary verbs
will have plus a past participle. .
Raul will have lived in Wisconsin for ten years when he moves back to
By next week, the builders will have finished the renovation.
Next year, she will have been a police officer for twenty five years.
By the time their youngest child is in college, Leticia and Alfie will have been
together for thirty years.
By the time Steven graduates, he will have thrown more touchdowns than
anyone else in school history.
The above examples are in active voice. The
examples below are in passive voice. Passive
voice in the future perfect tense is created
with the auxiliary verbs willhave plus the
past participle of be (been) plus another
should limit the use of passive voice.
By next week, the renovation will have been finished by the builders.
By the time Steven graduates, more touchdowns will have been thrown by
him than anyone else in school history.