Los enunciados están en la página de ejercicios de future perfect continuous. Hazlos primero por tu cuenta y luego compara con las respuestas.
Lo esencial: Tras by the time o when se usa el presente simple, no will. Cada una de las 20 soluciones indica la regla aplicada, para entender el error y no solo copiar la respuesta.
Este solucionario recoge las respuestas de los 20 ejercicios del future perfect (B2), en el mismo orden que la ficha; así puedes corregir cada una enseguida.
Aquí tienes la solución de cada ejercicio con una breve explicación. Compara tus respuestas, repasa la diferencia entre resultado y duración, y vuelve a la lección si dudas entre las tres expresiones de futuro cercano. En las respuestas abiertas, usa el modelo y la lista de comprobación.
Nivel: Inglés B2 (MCER, intermedio alto) · Referencia oficial: MCER B2 (Volumen complementario 2020), MCER B2 Expresión oral
Solucionario del future perfect (B2)
Ejercicio 1. Future perfect: completa
will have finished; will have set; will have cured; Will you have saved; won’t have read; will have left.
Ejercicio 2. Will have + participio
will have eaten, will have taken, will have seen, will have driven, will have built, will have run.
Ejercicio 3. Be about to
are about to close; is about to begin; is about to rain; was about to leave; were about to sit down; is about to boil. Para el pasado, was/were about to indica algo que iba a ocurrir cuando otra cosa lo interrumpió.
Ejercicio 4. About to, due to o on the verge of
is due to; is about to; is due to; is on the verge of; is due to; is on the verge of. Horario o previsión: due to; instante: about to; borde de un cambio: on the verge of.
Ejercicio 5. Future perfect continuous: conjuga
will have been working; will have been studying; will have been waiting; will you have been living; won’t have been teaching; will have been building.
Ejercicio 6. Resultado o duración
will have written; will have been writing; will have taught; will have been baking; will have signed; will have been barking. Cantidad pide simple, duración pide continuous.
Ejercicio 7. Ordena las palabras
By Tuesday she will have finished the report. / The match is about to start. / By noon we will have been driving for six hours. / The results are due to be published tomorrow. / She is on the verge of giving up. / Will you have returned the book by Friday?
Ejercicio 8. Traduce al inglés
By the time you arrive, I will have left. / The train is about to leave. / Next month I will have been living in Miami for five years. / The report is due to arrive on Monday. / The company is on the verge of bankruptcy. / Will you have finished by eight?
Ejercicio 9. Corrige el error
1 By Friday I will have finished the whole book. 2 about to start (infinitivo). 3 on the verge of crying. 4 When you arrive, I will have left. (nunca will tras when). 5 will have been working. 6 due to arrive. Seis frases corregidas.
Ejercicio 10. On the verge of
on the verge of winning; on the verge of collapsing; on the verge of signing; on the verge of giving up; on the verge of becoming; on the verge of reaching. Respuesta completa con be: was on the verge of winning, is on the verge of collapsing, etc.
Ejercicio 11. Time clauses y future perfect
finish; will have left; will arrive; will have been working; will have cleaned; will have closed. La opción 1 es una oración temporal (presente simple); la 3 señala un hecho futuro sin referencia previa.
Ejercicio 12. Reescribe con be about to
The film is about to begin. / Mateo is about to leave. / I was about to drop the tray. / The baker is about to open the shop. / The speaker is about to announce the winner. / We were about to fall asleep when the alarm rang.
Ejercicio 13. Reescribe con be due to
The conference is due to start at nine. / The new bus line is due to open in April. / The delivery is due to arrive on Friday. / The singer is due to land at noon. / The council is due to vote on the budget on Monday. / The film is due to come out next month.
Ejercicio 14. Lee el itinerario
is due to land; will have spent; will have been running; is due to land; is about to switch off. Dos noches: lunes y martes. De 9:00 a 16:00 son siete horas, y se enfatiza la duración.
Ejercicio 15. Traduce al español
Para cuando leas esto, habré aterrizado. / En mayo llevaremos diez años viviendo aquí. / Se prevé que el puente abra en primavera. / ¡Estaba a punto de llamarte! / El pueblo está al borde de desaparecer. / ¿Habrán terminado para el viernes?
Ejercicio 16. Mediación: explica en inglés
My sister is about to leave the house; she’ll call you in five minutes. / By next summer, I will have saved enough to travel to New Zealand. / The package is due to arrive on Thursday, but the courier hasn’t confirmed. / By six they will have been rehearsing for eight hours, and they will be exhausted.
Ejercicio 17. Calendario del proyecto Atlas
is due to finish; will have checked; will have completed; is on the verge of losing patience; is about to speak; will have been working. Del 1 de octubre al 14 de noviembre pasan más de seis semanas.
Ejercicio 18. Escribe la pregunta
How long will Ximena have been teaching by July? / Will Mateo have finished the report by noon? / When is the bridge due to open? / How long will they have been travelling when they land?
Ejercicio 19. Corrige el párrafo
By next December, I will have finished my degree. By then, I will have been studying for four years. I am on the verge of graduating, and my parents are about to arrive from Lima. The ceremony is due to start at ten.
Ejercicio 20. Escritura guiada
Respuesta modelo: By 2035, I will have lived in Valencia for ten years and I will have opened my own bakery. I will have been baking every night for a decade, and I will be on the verge of hiring my third employee. My first book of recipes is due to come out next spring. Comprueba: 60–80 palabras; un future perfect; un future perfect continuous; al menos una de las tres expresiones con su forma verbal correcta.
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