Introducción

Se usa el futuro perfecto continuo para describir una acción que va a continuar hasta otra acción o tiempo en el futuro.

A menudo se usa con "for" para indicar la cantidad de tiempo entre el momento en el que comenzó la acción y un punto determinado de su progreso en el futuro o en el momento en que se espera que la acción vaya a terminar.

También se puede usar para describir una acción continua que creemos o predecimos que se está desarrollando en el momento de hablar.

Ejemplos

• "At the end of December, James will have been working at the company for a year."
  
  
   
• "By the time my sister arrives at the airport, I will have been waiting for over three hours."
  
  
   
• "Sarah won't have been reading her emails because she’s on holiday."
  
  

Forma

Se forma el futuro perfecto continuo con "will have been" + la forma "-ing" del verbo principal.

Positivo	I You We They He / She / It	will have been	waiting	for 3 hours.
Negativo		won't have been will not have been

interrogativo

Will

I you we they he / she / it

have been

waiting

for 3 hours?

A menudo se usa el futuro perfecto continuo con eventos futuros o con expresiones temporales y con expresiones que se refieren al futuro como "when" o "by the time (algo sucede)" y "for how long".

Ejemplos

• "I will have been reading this book for months by the time I finally finish it."
   
• "She won’t have been expecting you to arrive so early."
   
• "When you finish your exams, for how long will you have been studying English?"

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Práctica

.

1)

By the time we move house at the end of the month, we    for several weeks. (pack)

 

2)

My parents    their new house this weekend. (decorate)

 

3)

If I can pass my exams, I    my time. (not waste)

 

4)

When you get home, for how long    you    ? (travel)

 

Please submit the missing answers shown in red
 

Submit

Más práctica

Complete las frases para formar el futuro perfecto continuo con la respuesta correcta a, b, c ó d:
.

1)

If it’s still raining tomorrow, it ____ all week.
 

have been raining

will have raining

will have been raining

will has been raining

 

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2)

When Sara leaves London at the end of the year, she ____ in the city for ten years.
 

have will been living

will have been living

will has been living

will have been live

 

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3)

David ____ his flight to be delayed.
 

won't have been expecting

won't had been expecting

will haven't been expecting

will have not been expecting

 

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4)

For how long ____ next week’s event?
 

will you has been plan

will you have been planning

you will have been planning

will have you been planning

 

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5)

Emma ____ the film because she prefers comedies.
 

will haven't been enjoying

not will have been enjoying

won't have been enjoying

not has been enjoying

 

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6)

For how long ____ the company when her contract finishes next year?
 

Clare will have been advising

will Clare has been advising

will Clare have been advising

will have Clare been advising

 

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Please submit the missing answers shown in red
 

Submit