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Grammaire
Verbs and tense B1 B2

Future continuous and future perfect

Talk about actions in progress at a future time or completed before a future point.

Traduction des explications en cours…
Pour le moment, la leçon originale en anglais s’affiche.
Guide visuel

Future continuous and future perfect: camera or checkpoint

ONE FUTURE POINT: 8:00

AT 8:00 = camera scene
Ask: What is happening then?

before 8 ──┌── action in progress ──┐── after 8
            └──────────▲────────────┘
                       8:00
At eight, we'll be having dinner.
will be + verb-ing = still happening then

BY 8:00 = checkpoint
Ask: What is already complete before then?

before 8 ── completed ✓ ───────────▲── after 8
                                  8:00
By eight, we'll have had dinner.
will have + past participle (done verb form)
= already complete before then

At a future point, use will be + verb-ing for what is happening then and will have + the done verb form for what is already complete.

Introduction

Two ways to look at a future time

Future continuous and future perfect both connect an action to a future reference point. Future continuous shows something in progress around that point: This time tomorrow, I'll be flying to Madrid. Future perfect shows something completed before that point: By Friday, I'll have finished the report. The reference point can be a clock time, a date, or another future event. The choice is practical: are you opening a scene in the future, or checking what will already be done?
Core Grammaire B1 Vocabulaire A2 Neutral

This time tomorrow, I'll be flying to Madrid.

The flight is in progress at the future reference time.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

This time tomorrow
time_reference
sets the future moment we are looking at
I'll be flying
core_frame
future continuous: action in progress at that future moment
À apprendre comme une unité
to Madrid
destination
completes the travel meaning
Core Grammaire B1 Vocabulaire A2 Neutral

By Friday, I'll have finished the report.

The report is complete before Friday or no later than Friday.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

By Friday
deadline
sets the future deadline
I'll have finished
core_frame
future perfect: completed before the deadline
À apprendre comme une unité
the report
object
says what will be complete
Core logic

In progress then, or complete before then

Start with the future point, then choose the relationship. If the action surrounds the point, use future continuous: At eight, we'll be having dinner. If the action is complete before the point, use future perfect: By eight, we'll have had dinner. With another future event, use present simple in the time clause and the future form in the main clause. I'll be working when you arrive means your arrival happens during my work. Before you arrive, I'll have cooked dinner means the cooking is finished first.
Contrast Grammaire B1 Vocabulaire A1 Neutral

At eight, we'll be having dinner.

Dinner is happening around eight.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

At eight
time_reference
sets the future time point
we'll be having dinner
core_frame
future continuous for an activity in progress
À apprendre comme une unité
Contrast Grammaire B1 Vocabulaire A1 Neutral

By eight, we'll have had dinner.

Dinner is finished before eight or no later than eight.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

By eight
deadline
sets the time before which something is complete
we'll have had dinner
core_frame
future perfect for a completed result
À apprendre comme une unité
Core Grammaire B1 Vocabulaire A1 Neutral

I'll be working when you arrive.

Your arrival happens during my work.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

I'll be working
core_frame
future continuous action in progress
À apprendre comme une unité
when you arrive
time_clause
uses present simple for the future event in a time clause
Core Grammaire B1 Vocabulaire A1 Neutral

Before you arrive, I'll have cooked dinner.

The cooking is complete before the arrival.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

Before you arrive
time_clause
sets the later future event using present simple
I'll have cooked dinner
core_frame
future perfect for something finished before that event
À apprendre comme une unité
Cognitive metaphor

Camera scene and checkpoint

Think of future continuous as moving a camera to a future moment and watching what is happening. You do not see the start or end; you see the activity crossing that moment. Think of future perfect as standing at a future checkpoint and looking back at the completed result. This metaphor helps with time words: at often opens the camera scene; by often sets the checkpoint. The real meaning still comes from the verb form, not from the time word alone.
Core pattern

Forms, negatives, and questions

Future continuous uses subject + will be + verb-ing. Negative: subject + will not or won't be + verb-ing. Question: Will + subject + be + verb-ing? They won't be using the meeting room at two. Will you be staying here next week? Future perfect uses subject + will have + past participle. Negative: subject + will not or won't have + past participle. Question: Will + subject + have + past participle? She won't have read your email before the call. Will they have left by the time we get there? In speech and informal writing, subject + 'll is common.
Negative Grammaire B1 Vocabulaire A2 Neutral

They won't be using the meeting room at two.

The room will not be in use at that time.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

won't be using
negative_core_frame
negative future continuous
À apprendre comme une unité
the meeting room
object
says what is not in use
at two
time_reference
sets the future time point
Negative Grammaire B1 Vocabulaire A2 Neutral

She won't have read your email before the call.

The reading will not be complete before the call.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

won't have read
negative_core_frame
negative future perfect
À apprendre comme une unité
your email
object
says what is not completed
before the call
deadline
sets the future point before which reading would happen
Question Grammaire B1 Vocabulaire A1 Neutral

Will you be staying here next week?

The question asks about an expected situation during a future period.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

Will you be staying
question_core_frame
future continuous question form
À apprendre comme une unité
here
place
says the location
next week
time_reference
sets the future period
Question Grammaire B1 Vocabulaire A1 Neutral

Will they have left by the time we get there?

The question asks whether leaving is complete before we arrive.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

Will they have left
question_core_frame
future perfect question form
À apprendre comme une unité
by the time we get there
deadline_clause
sets the future point using present simple
Sentence xray

X-ray of the two frames

Sentence X-ray: At ten, I will be presenting the results. The time point is At ten. The core future-continuous frame is I will be presenting. The object is the results. The action is in progress at ten. Sentence X-ray: By ten, I will have presented the results. The deadline is By ten. The core future-perfect frame is I will have presented. The object is the results. The presentation is complete before or no later than ten. Learn the functional frames will be + -ing and will have + past participle as whole pieces.
Core Grammaire B1 Vocabulaire A2 Neutral

At ten, I will be presenting the results.

The presentation is in progress at ten.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

At ten
time_reference
sets the future moment
I will be presenting
core_frame
future continuous frame
À apprendre comme une unité
the results
object
says what is being presented
Core Grammaire B1 Vocabulaire A2 Neutral

By ten, I will have presented the results.

The presentation is complete before or no later than ten.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

By ten
deadline
sets the future deadline
I will have presented
core_frame
future perfect frame
À apprendre comme une unité
the results
object
says what will be complete
Contrast

Future continuous vs simple future

Do not use these forms only because the time is future. Use will + base verb for a decision, promise, or general prediction: I'll work late tomorrow. Use future continuous when the action is expected to be in progress at a future moment: I'll be working late tomorrow when you call. Future continuous is also useful for polite checking about expected plans because it sounds less like pressure: Will you be using the car tonight? Present continuous for arrangements is also possible in English, but it focuses on a fixed plan; future continuous focuses on the expected situation around a future time.
Contrast Grammaire B1 Vocabulaire A1 Neutral

I'll work late tomorrow.

This states a future action, not an action viewed as in progress at a specific moment.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

I'll work
core_frame
future simple for a plan, decision, or prediction
À apprendre comme une unité
late tomorrow
time_reference
sets the future time
Contrast Grammaire B1 Vocabulaire A1 Neutral

I'll be working late tomorrow when you call.

This focuses on the activity being in progress when the call happens.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

I'll be working
core_frame
future continuous for an action in progress
À apprendre comme une unité
late tomorrow
time_reference
sets the future period
when you call
time_clause
sets the moment inside the activity
Spoken Grammaire B1 Vocabulaire A1 Neutral

Will you be using the car tonight?

Future continuous can sound less direct than asking for a decision with will.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

Will you be using
polite_question_frame
future continuous for polite checking about an expected plan
À apprendre comme une unité
the car
object
says what may be used
tonight
time_reference
sets the future time
Usage rules

Time markers and duration

Time expressions make the meaning clear. Future continuous often appears with at this time, at 8, tomorrow afternoon, next week, or when + present simple. Future perfect often appears with by, before, by the time, by then, or by the end of the day. It can also describe duration up to a future point, especially with for: By July, we'll have lived here for ten years. With state verbs such as be, have, know, and live, future perfect is common; future perfect continuous may be possible with activities, but it adds duration and is a separate focus.
Core Grammaire B2 Vocabulaire A1 Neutral

By July, we'll have lived here for ten years.

The living situation started before July and continues up to that future point.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

By July
future_point
sets a future checkpoint
we'll have lived
core_frame
future perfect for a state continuing up to a future point
À apprendre comme une unité
for ten years
duration
shows how long the state will have lasted
Danger zone

Common mistakes and boundaries

Danger zone: after by the time, when, before, and after, use the present simple for the future event, not will. Mistake: By the time you will arrive, I will have cooked dinner. Corrected: By the time you arrive, I will have cooked dinner. Also, do not force state verbs into the continuous form. Mistake: I will be knowing the answer tomorrow. Corrected: I will know the answer tomorrow. Finally, remember that future perfect needs have + past participle, not be + verb or just a past form after will.
Mistake Grammaire B1 Vocabulaire A1 Neutral

By the time you will arrive, I will have cooked dinner.

Do not use will inside the future time clause after by the time.

Corrected Grammaire B1 Vocabulaire A1 Neutral

By the time you arrive, I will have cooked dinner.

The time clause uses present simple, and the main clause uses future perfect.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

By the time you arrive
deadline_clause
future time clause with present simple
À apprendre comme une unité
I will have cooked dinner
core_frame
future perfect for the completed action
Mistake Grammaire B1 Vocabulaire A1 Neutral

I will be knowing the answer tomorrow.

Know is usually a state verb, so it is not normally used in the continuous form.

Corrected Grammaire B1 Vocabulaire A1 Neutral

I will know the answer tomorrow.

Use future simple for a future state with know.

Unités de sens

Lisez la phrase par unités de sens, pas mot à mot.

I will know
core_frame
future simple for a future state
À apprendre comme une unité
the answer
object
says what will be known
tomorrow
time_reference
sets the future time
Summary

The quick choice

To choose quickly, ask two questions. First, what is the future reference point? Second, what is the action's relationship to it? If the action crosses that point, choose future continuous: will be + -ing. If the action is already complete before that point, choose future perfect: will have + past participle. Use negatives and questions by moving will, not by changing the main verb. Use present simple in future time clauses. Keep by for deadlines and at for scenes when possible.
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