Updated on November 19, 2025

Future Perfect

The Future Perfect describes an action that will be finished before a certain time in the future. We use it to say that something will be completed before another future moment or event.

Table of Contents

Exercises

Explanation

1. Form

Affirmative: will have + past participle (V3)

  • I will have finished my report by noon.

  • She will have left the office before you arrive.

  • They will have saved enough money by next summer.

Negative: will not (won’t) have + V3

  • I won’t have finished by 5 p.m.

  • He won’t have cleaned the house before the guests come.

  • We won’t have packed everything by tomorrow.

Questions: Will + subject + have + V3?

  • Will you have completed the task by Friday?

  • Will she have travelled to London by then?

  • What will they have done by this evening?

2. When Do We Use the Future Perfect?

A. To talk about an action finished before a future moment

We use the Future Perfect when we want to show that something will be already completed.

  • By 10 a.m., I will have opened the shop.

  • She will have graduated by next June.

  • They will have repaired the bridge before winter starts.

B. To talk about a long activity completed before a future date

  • I will have lived in this city for ten years by next January.

  • By next week, he will have worked here for six months.

3. Time Markers

These phrases help show the deadline or future moment:

  • by (by 6 p.m., by tomorrow, by next year)

  • by the time

  • before

  • until / till (usually in negatives)

  • by then

Examples

  • We will have eaten dinner by the time you get home.

  • She won’t have arrived until later this evening.

  • By tomorrow morning, the storm will have passed.

Quick Summary

Use

Example

Action finished before a future time

I’ll have done my homework by 9.

Action completed before another future event

She’ll have left before you return.

Long activity completed by a future date

He’ll have lived here for a year by May.

GrammarWiki | Grammar Rules, Lessons and Exercises. Address: 5842 Ziemann Ranch Apt. 843 West Lucius, MD 10037. Tel: 1-945-733-2522 x9558
@ 2025 grammarwiki.com