The Grammaring Guide to English Grammar with Exercises

Future perfect continuous

Form: future perfect continuous

Future perfect continuous for continuous events in the future

Form: future perfect continuous

WILL + HAVE + BEEN + PRESENT PARTICIPLE (VERB-ING)

The future perfect continuous (also called the future perfect progressive) is formed with the modal will + perfect continuous infinitive without to (have + been + the present participle -ing form of the verb) in all persons.

Affirmative

Subject

Auxiliary

Verb (perfect continuous infinitive)

I

will

have been living

here for five years by then.

You

He/She/It

We

You

They

The following contracted forms are often used in spoken and in informal written language:

I will

»

I'll

you will

»

you'll

he/she/it will

»

he'll/she'll/it'll

we will

»

we'll

you will

»

you'll

they will

»

they'll

Negative

Subject

Auxiliary

not

Verb (perfect continuous infinitive)

I

will

not

have been living

here for five years by then.

You

He/She/It

We

You

They

The contracted form won't is often used instead of will not in spoken and in informal written language.

Interrogative

(Question word)

Auxiliary

Subject

Verb (perfect continuous infinitive)

How long

will

I

have been living

here by then?

you

he/she/it

we

you

they

Related topics:

The forms of the infinitive

The forms of the participle

Subject-auxiliary inversion in questions

Future perfect continuous for continuous events in the future

The future perfect continuous tense is used to express events that will start before a point in time in the future (or have already started) and will still be in progress at that point:

By tomorrow, it

will have been raining

for four days.

Soon, he'

ll have been running

for 4 hours.

Related topics:

Past perfect continuous for continuous events in the past

Present perfect continuous with FOR and SINCE