📝 Student Instruction: Future Perfect Tense
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When do we use Future Perfect?
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To talk about an action that will be completed before a specific time in the future.
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By next year, I will have graduated from school.
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To show that something will be finished before another future event.
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She will have left by the time you arrive.
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Form
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Affirmative (+): Subject + will + have + past participle (V3)
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I will have finished my homework by 8 p.m.
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They will have built the house by next month.
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Negative (–): Subject + will + not (won’t) + have + past participle
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I won’t have completed the project by tomorrow.
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She won’t have arrived by 9 o’clock.
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Question (?): Will + subject + have + past participle
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Will you have finished your work by 5 p.m.?
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Will they have left before we get there?
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Time expressions often used
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by + time → by tomorrow, by next week, by 2025
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before → before 6 p.m., before the meeting
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by the time → by the time you arrive
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Examples
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By the time he comes, I will have cleaned the house.
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She will have written five emails before lunch.
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Will you have read the book by next Monday?
👉 Practice Example:
Change the verb into Future Perfect.
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I (finish) my homework by 9 p.m. → I will have finished my homework by 9 p.m.
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She (not complete) the project before the deadline. → She won’t have completed the project before the deadline.
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(they / arrive) before we leave? → Will they have arrived before we leave?
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