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LEARN ENGLISH FUTURE PERFECT CONTINUOUS VERBS

To form the future perfect continuous tense we need the future perfect simple tense of the verb "to be" and another verb ending in "-ing".

Example

You will have been studying the future perfect continuous for a few minutes already. (Habrás estado estudiando el futuro perfecto continuo durante unos minutos ya)

Some verbs have certain spelling changes when adding "-ing": If the verb ends in "-e" we will drop the "e" and then we will add "-ing".

Example

I decorate the living room. (Decoro el salón)

I will have been decorating the living room. (Habré estado decorando el salón)

If the verb consists of only one syllable and the last three letters are: consonant plus vowel plus consonant, we will double the last consonant and then add "-ing".

Example

I plan my weekend ahead. (Planeo el fin de semana que viene)

I will have been planning my weekend ahead. (Habré estado planeando el fin de semana que viene)

For the negative form we use "not" after "will".

Example

They will not (won't) have been doing their homework. (No habrán estado haciendo sus deberes)

For the interrogative form we place "will" in front of the person.

Example

Will they have been doing their homework? (¿Habrán estado haciendo sus deberes?)

SOME GENERAL USES

We use the future perfect continuous when we assume that a continuous action has happened before the time of speaking.

Example

He will have been studying the whole night. (Él habrá estado estudiando toda la noche)

She will not have been studying over the weekend. (Ella no habrá estado estudiando en el fin de semana)

Will he have been studying on Sunday? (¿Habrá estado estudiando (él) el domingo?)

They will have been studying before the final exams. (Habrán estado estudiando antes de los exámenes finales)

We also use the future perfect continuous when we presuppose that a future continuous action is going to happen or the continuous action has been happening for a while and this continuous action has not finished yet.

Example

The politicians will have been discussing the hunger problem in the world for seventeen hours by the end of the summit. (Los políticos habrán estado discutiendo el problema del hambre en el mundo durante diecisiete horas cuando termine la cumbre)

In this example we assume that the politicians will carry on discussing the hunger problem until the predicted time of finishing their summit.

Lets us conjugate a verb as an example. We are going to take the verb "to study".

Positive

Negative

Question

I will have been studying won´t have been studying will I have been studying?
You will have been studying won´t have been studying will you have been studying?
He will have been studying won´t have been studying will he have been studying?
She will have been studying won´t have been studying will she have been studying?
It will have been studying won´t have been studying will it have been studying?
We will have been studying won´t have been studying will we have been studying?
You(all) will have been studying won´t have been studying will you have been studying?
They will have been studying won´t have been studying will they have been studying?