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    Learn Courses Advanced level Verb tenses future perfect Future perfect

As we have seen in the previous lessons on the future tenses, there are two ways to express the future in English. In contrast to the future simple, in the

Como hemos visto en las lecciones anteriores, hay dos maneras principales para expresar el futuro. A diferencia del futuro simple, en el tiempo perfecto, el uso de ellas es en general intercambiable.

Grammatical Rules (Reglas gramaticales)

Structure (Estructura)

1. Affirmative Sentences (Frases afirmativas)

Sujeto + "will have" + participio pasado.
Sujeto + verbos auxiliar (to be) + "going to have" + participio pasado.

Ejemplos:

The party will [is going to] have ended by the time you finish work.(La fiesta habrá terminado cuando termine el trabajo.)
I'll [I'm going to] have eaten before we meet.(Habré comido antes de reunirnos.)

2. Negative Sentences (Frases negativas)

Sujeto + "will" + "not" + "have" + participio pasado.
Sujeto + verbo auxiliar (to be) + "not" + "going to have" + participio pasado.

Ejemplos:

The party won't [isn't going to] have ended by the time you finish work.(La fiesta no habrá terminado cuando termine el trabajo.)
I won't [I'm not going to] have eaten before we meet.(No habré comido antes de reunirnos.)

3. Interrogative Sentences (Frases interrogativas)

"Will" + sujeto + "have" + participio pasado?
Verbo auxiliar (to be) + sujeto + "going to have" + participio pasado?

Ejemplos:

Will [Is] the party [going to] have ended before you finish work?(¿La fiesta habrá terminado antes de que termine el trabajo?)
Will [Are] you [going to] have eaten before we meet?(¿Habrás comido antes de reunirnos?)

Uses (Usos)

1. Se usa el futuro perfecto para acciones que ya se habrá terminado antes de otra acción en el futuro. También, se puede usar para expresar que algo va a suceder antes de un momento específico en el futuro.

Ejemplos:

I'll have finished my studies before I start my new job.(Habré terminado mis estudios antes de comenzar mi nuevo trabajo.)
Is Mike going to have trained enough before his first game?(¿Mike habrá entrenado lo suficiente antes de su primer partido?)
We won't have become fluent in Spanish by the time we leave for Mexico next month.(No vamos a tener fluidez en español antes de irnos a México el mes que viene.)

2. Utilizamos el futuro perfecto para mostrar que algo va a continuar hasta otra acción en el futuro.

Ejemplos:

Karen is going to have worked for 50 years by the time she retires.(Karen habrá trabajado durante 50 años cuando se jubile.)
Next week, I'll have lived in Germany for 1 year.(La semana que viene habré vivido en Alemania desde hace 1 año.)
Next lesson Future Perfect Continuous
Future Perfect Listen to Lesson
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