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future perfect

 
/ˈfju·tʃər pɜr·fIkt/ n [U]

Definition

grammar the tense formed using "will have" or "shall have" with a past participle to show that an action will be completed by a particular time in the future: "I will have left by noon" is in the future perfect.
(Definition of future perfect n from the Cambridge Academic Content Dictionary © Cambridge University Press)

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