Tiempos VerbalesNivel B2-C145 preguntas para practicar

Futuro Perfecto Continuo en inglés

El futuro perfecto continuo en inglés: estructura will have been + -ing, cuándo se usa para hablar de duración y diferencia con el future perfect simple.

El más complejo (y el que menos se usa). Mira un punto del futuro y dice cuánto tiempo llevará algo en marcha para entonces: By June, I will have been living here for ten years. Se forma con will + have been + verbo-ing. Frente al futuro perfecto (que dice que algo estará terminado), este enfatiza la duración hasta ese punto.

Una duración que llega hasta un punto del futuro.

la acciónotro momentoen curso

Cuándo se usa

Cuánto tiempo llevará algo hasta un punto futuro: By 5pm, she'll have been driving for eight hours.

Formación

+Sujeto + will + have been + verbo-ing

−Sujeto + won't + have been + verbo-ing

?Will + sujeto + have been + verbo-ing?

Ejemplos

ENBy 11pm, I will have been working for three hours.

ESPara las 11, llevaré trabajando tres horas.

ENIn June she will have been teaching here for 20 years.

ESEn junio llevará enseñando aquí 20 años.

Palabras pista

by + future time + for + durationby the time / by the end of

El error típico del hispanohablante

Duración vs terminado: para cuánto tiempo usa este (will have been living); para hecho usa future perfect (will have lived).

Necesita for + duración: for ten years, no "since ten years".

Future perfect and future perfect continuous, diferencias

Los dos miran desde un punto del futuro hacia atrás, pero destacan cosas distintas. El future perfect simple se fija en lo que estará terminado (By June, I will have finished the book). El continuous se fija en cuánto tiempo llevará algo en marcha (By June, I will have been reading it for a month).

Un truco útil es la pregunta. Si la pregunta es how long, usa el continuo (How long will you have been working?). Si es how many o how much, usa el simple (She will have written five pages).

Los verbos de estado, como know, own o be, no se usan en continuo, así que se queda el simple (By May, I will have known her for ten years).

Future perfect continuous tense, estructura y ejemplos

La estructura es sujeto + will have been + verbo en -ing. La negación es won't have been (He won't have been waiting long), y la pregunta empieza con will (Will you have been driving for long?).

Suele aparecer con for + duración y con expresiones como by o by the time. Después de by the time va presente simple, no futuro (By the time you arrive, I will have been waiting for an hour).

En español no tiene un equivalente directo. Se suele traducir con «para entonces llevaré + gerundio», como en By next year, they will have been living here for a decade («el año que viene llevarán una década viviendo aquí»).

Practica Futuro Perfecto Continuo

Tres bloques por nivel. Responde, corrige y aprende de tus fallos con la explicación de cada pregunta. Gratis, sin límite.

Bloque 1 · Básico

A2-B1

1/15

By the end of today, the team ______ for eight hours straight.

Ver las 15 con su explicación+

1. By the end of today, the team ______ for eight hours straight.
will workwill have been workingare working
El futuro perfecto continuo se forma con will have been + -ing para expresar duración hasta un momento futuro.
2. This time next year, I ______ English for five years.
will studywill have been studyingstudy
Usamos will have been studying porque señala cuánto tiempo llevaremos haciendo algo en un punto futuro.
3. By midnight, we ______ for the exam all day.
will reviserevisedwill have been revising
Will have been revising indica una acción prolongada que sigue hasta ese momento futuro.
4. By Friday, he ______ at the company for exactly one year.
will be workingwill have been workinghas worked
La estructura will have been + -ing expresa la duración acumulada hasta un momento futuro.
5. By the time the bus comes, we ______ for half an hour.
will have been waitingwill waitwait
Will have been waiting describe la duración de la espera hasta el momento en que llegue el bus.
6. Next month, they ______ in Madrid for three years.
will livewill have been livingare living
Con periodos de tiempo hasta un punto futuro usamos will have been living.
7. By six o'clock, the children ______ football all afternoon.
will playwill have been playingplayed
Will have been playing marca una actividad continua que llega hasta las seis.
8. By tonight, it ______ for hours.
will have been rainingwill rainrains
Usamos will have been raining para la duración de la lluvia hasta esta noche.
9. By the time we land, we ______ for twelve hours.
are flyingwill have been flyingwill fly
Will have been flying expresa el tiempo total del vuelo hasta el aterrizaje.
10. By lunchtime, she ______ all morning.
will cookcookswill have been cooking
Will have been cooking indica una acción prolongada hasta el mediodía.
11. In an hour, I ______ for two hours without a break.
will have been runningwill runrun
El futuro perfecto continuo will have been running resalta la duración del ejercicio.
12. By Sunday night, they ______ the house all weekend.
paintedwill paintwill have been painting
Will have been painting expresa una actividad continua a lo largo del fin de semana.
13. By December, my grandfather ______ the piano for fifty years.
will playwill have been playingplays
Usamos will have been playing para una duración larga que llega hasta diciembre.
14. By 2030, she ______ at that school for twenty years.
will have been teachingwill teachteaches
Will have been teaching señala los años acumulados de docencia hasta 2030.
15. By the time you arrive, I ______ for you for an hour.
will have been lookinglookwill look
Will have been looking expresa la duración de la búsqueda hasta tu llegada.

Bloque 2 · Intermedio

B1-B2

1/15

How long ______ German by the time you finish the course?

Ver las 15 con su explicación+

1. How long ______ German by the time you finish the course?
will you learnare you learningwill you have been learning
En preguntas de duración con punto futuro usamos will you have been learning.
2. When the guests arrive, Mum ______ for hours, so she'll be exhausted.
cookswill have been cookingwill cook
El énfasis en la duración ("for hours") pide el futuro perfecto continuo will have been cooking.
3. By next spring, we ______ in this flat for two years.
will be rentingrentwill have been renting
Con "by" + duración usamos will have been renting para el tiempo acumulado.
4. By December he ______ here long enough to apply for citizenship.
doesn't livewon't have been livingisn't living
La negativa se forma con won't have been living manteniendo el matiz de duración.
5. By the time the film ends, we ______ at the screen for three hours.
starewill starewill have been staring
Will have been staring subraya la duración continua hasta el final de la película.
6. Don't call at nine; I ______ then and I hate being interrupted.
will sleepsleepwill have been sleeping
Aunque hay solape con otras formas, aquí el foco en la actividad en curso favorece will have been sleeping.
7. By the end of the tournament, they ______ every single day for a month.
will have been trainingtrainedwill train
Will have been training expresa una rutina prolongada que continúa hasta el final del torneo.
8. ______ long by the time we get to the station?
Do they waitWill they have been waitingAre they waiting
La pregunta de duración hasta un punto futuro se hace con Will they have been waiting.
9. By the time she retires, my aunt ______ at the hospital for thirty-five years.
will nursewill have been nursingnurses
Will have been nursing acumula los años de trabajo hasta el momento de jubilarse.
10. In two weeks I ______ this novel for a whole month, and I'm still not finished!
will readam readingwill have been reading
El matiz de duración con resultado incompleto pide will have been reading.
11. By tomorrow morning, the machines ______ non-stop for twenty-four hours.
will runrunwill have been running
Will have been running describe el funcionamiento continuo hasta mañana por la mañana.
12. Next Monday, we ______ on this project for six months.
will collaboratewill have been collaboratingcollaborate
Con "for six months" hasta un punto futuro usamos will have been collaborating.
13. By the time the doctor sees him, he ______ in the waiting room for ages.
will have been sittingsitswill sit
Will have been sitting enfatiza cuánto tiempo llevará esperando.
14. By July, how long ______ your driving lessons?
are you takingwill you takewill you have been taking
La pregunta sobre duración acumulada usa will you have been taking.
15. By the time the concert starts, the fans ______ outside since dawn.
will have been queuingqueuewill queue
"Since dawn" hasta el comienzo del concierto exige el continuo will have been queuing.

Bloque 3 · Avanzado

B2-C1

1/15

By June, I ______ this car for exactly ten years, so it's time to sell it.

Ver las 15 con su explicación+

1. By June, I ______ this car for exactly ten years, so it's time to sell it.
will have ownedwill ownwill have been owning
"Own" es un verbo de estado y no admite continuo; por eso usamos el futuro perfecto simple will have owned.
2. When the report finally lands, the analysts ______ the data for weeks, whereas the board will only have skimmed it.
will siftwill have siftedwill have been sifting
El foco en el proceso prolongado pide will have been sifting, no la forma que enfatiza el resultado.
3. By the time the results come out, she ______ that she got in, having applied months earlier.
will knowwill have knownwill have been knowing
"Know" es estativo; con matiz de estado usamos will have known, ya que no admite forma continua.
4. Not until next year ______ in this field long enough to be considered an expert.
I will have been workingwill I have been workingwill I be working
Tras un adverbial negativo al inicio hay inversión: will I have been working.
5. By the time you read this, I ______ across three time zones and I'll be dead tired.
will have been travellingwill have travelledam travelling
El énfasis en el efecto del viaje continuo (el cansancio) favorece will have been travelling.
6. By Christmas we ______ the flat, so the decorators will finally be gone.
will have been renovatingwill have finished renovatingrenovate
Al marcar una acción completada ("finally gone") usamos el perfecto simple will have finished renovating, no el continuo.
7. By 2040, humanity ______ carbon emissions for decades, yet the climate may still be warming.
will have cutcutswill have been cutting
El proceso continuo e inacabado a lo largo de décadas se expresa con will have been cutting.
8. This time tomorrow he ______ the marathon; right now he's still training for it.
will have runrunswill have been running
Una única acción completada (terminar la maratón) va en perfecto simple will have run, no en continuo.
9. By the time negotiations end, both sides ______ for over a fortnight without agreement.
will have been arguingwill have arguedargue
La duración prolongada sin resultado favorece will have been arguing.
10. Scarcely ______ the accounts for an hour when the auditor arrives, so expect chaos.
they will have reviewedwill they reviewwill they have been reviewing
Con el adverbial "scarcely" al frente se invierte el sujeto: will they have been reviewing.
11. By the end of the trial, the jury ______ the same testimony a dozen times.
will have heardwill have been hearinghears
"Hear" (percepción) es estativo y la idea de repetición cuantificada pide el perfecto simple will have heard.
12. Come September, this bridge ______ under construction for a decade, an embarrassing delay.
standswill have been standingwill have stood
El estado prolongado y en curso de la obra se expresa aquí con el continuo will have been standing.
13. By tonight I ______ what to do, so please stop pressing me for an answer now.
will have been decidingwill have decideddecide
"Decide" apunta a un resultado puntual; usamos el perfecto simple will have decided.
14. Little ______ how long she'd been rehearsing by the time the curtain rises.
will the audience knowthe audience will knowwill the audience have been knowing
Tras "little" hay inversión y "know" es estativo, así que la forma correcta es will the audience know.
15. By the time the satellite re-enters, it ______ the Earth for nearly forty years.
will have orbitedwill have been orbitingorbits
El movimiento continuo y prolongado hasta ese punto futuro se expresa con will have been orbiting.

Preguntas frecuentes

¿Cómo se forma el futuro perfecto continuo?+

Con will + have been + verbo en -ing: By June, I will have been living here for ten years.

¿Cuándo se usa el future perfect continuous?+

Para decir cuánto tiempo llevará en marcha una acción cuando llegue un momento futuro. Pone el foco en la duración.

¿Qué diferencia hay entre future perfect y future perfect continuous?+

El future perfect dice que algo estará terminado (I will have finished). El continuo destaca cuánto habrá durado (I will have been working for two hours).

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