subject + will have + 3

1

3

go

gone

I will have gone

I will not have gone

Will I have gone ?

You will have gone

You will not have gone

Will you have gone ?

He will have gone

He will not have gone

Will he have gone ?

She will have gone

She will not have gone

Will she have gone ?

It will have gone

It will not have gone

Will it have gone ?

We will have gone

We will not have gone

Will we have gone ?

You will have gone

You will not have gone

Will you have gone ?

They will have gone

They will not have gone

Will they have gone ?

NEGATIVE CONTRACTION:  WILL NOT = WON'T

Affirmative

subject + will have + 3

I will have gone to New York - Habré ido a New York

He will have gone to New York - El habrá ido a New York

Negative

subject + won't have + 3

I won't have gone to New York - No habré ido a New York

He won't have gone to New York - El no habrá ido a New York

Interrogative

Will + subject + have + 3 ?

Will I have gone to New York? - ¿Habré ido a New York ?

Will he have gone to New York? - ¿Habrá ido él a New York?

usos del futuro perfecto

Acciones que ya se están desarrollando o que se van a desarrollar en el futuro, pero que cuando llegue ese momento futuro que se menciona la acción ya habrá finalizado.

By tomorrow I will have finished my book. 
Para mañana, habré terminado este libro.

Before winter, you will have sold your old car.
Antes del invierno, habrás vendido tu antiguo automóvil.

Before we arrive home, Mom will have prepared our breakfast.
Antes de que lleguemos a casa, mamá habrá preparado nuestro desayuno.

We will not have finished these reports by 7 pm!!
¡¡No habremos finalizado estos informes para las 7 de la tarde!!

expresiones usuales del futuro perfecto