Future Perfect Continuous

Definition

The Future Perfect Continuous Tense describes an action that will continue up until a certain point in the future. It emphasizes the duration of an action that will be ongoing and completed at a specific future time.

Formula: Subject + will have been + Present Participle (V1 + ing) + Object
Tip: This tense is used to show how long something will have been happening before another event or time in the future.
Uses of Future Perfect Continuous Tense
# Use Description Examples
1 To express duration before a future point Used to show how long an action will have continued before another event. By 2026, I will have been teaching for ten years.
She will have been working here for five years by next month.
2 To describe cause of a future situation Shows what will have caused a future condition or state. He will be tired because he will have been running since morning.
They will be relaxed because they will have been resting all day.
3 To show an ongoing future activity Used for actions that will still be continuing at a certain future time. At 8 p.m., I will have been studying for three hours.
We will have been waiting here for two hours by then.
Sentence Structures

Positive Structure

Subject + will have been + Present Participle (V1 + ing) + Object

1) She will have been studying English.
2) I will have been working on this project.
3) They will have been traveling since morning.

Negative Structure

Subject + will not (won’t) have been + Present Participle (V1 + ing) + Object

1) She won’t have been studying English.
2) I won’t have been working on this project.
3) They won’t have been traveling since morning.

Interrogative Structure

Will + Subject + have been + Present Participle (V1 + ing) + Object?

1) Will she have been studying English?
2) Will you have been working on this project?
3) Will they have been traveling since morning?

Negative Interrogative Structure

Won’t + Subject + have been + Present Participle (V1 + ing) + Object?

1) Won’t she have been studying English?
2) Won’t you have been working on this project?
3) Won’t they have been traveling since morning?

Common Signal Words

Here are some signal words often used with the Future Perfect Continuous Tense:

  • for
  • since
  • by the time
  • for two hours / for five years
  • before
Examples in Context
  • 1) I will have been studying English for three years. (Positive)
  • 2) She won’t have been sleeping since last night. (Negative)
  • 3) Will you have been working here for five years? (Interrogative)
  • 4) Won’t they have been traveling since morning? (Negative Interrogative)
  • 5) We will have been living in this city for ten years. (Positive)
  • 6) He won’t have been exercising for an hour. (Negative)
  • 7) Will she have been studying since 6 a.m.? (Interrogative)
  • 8) Won’t you have been driving for two hours? (Negative Interrogative)
  • 9) They will have been waiting for the bus for thirty minutes. (Positive)
  • 10) I won’t have been reading this book for long. (Negative)
  • 11) Will he have been teaching for a decade? (Interrogative)
  • 12) Won’t she have been working since morning? (Negative Interrogative)
  • 13) By next month, I will have been doing yoga for two years. (Positive)
  • 14) They won’t have been staying here for long. (Negative)
  • 15) Will you have been waiting since 5 o’clock? (Interrogative)