Future Perfect Continuous

Come si forma il Future Perfect Continuous

Il future perfect continuous è composto da due elementi: 
il future perfect del verbo to be (will have been) + il participio presente del verbo principale (forma base + ing)

Soggetto + will have been + participio presente
He will have been playing.
I will have been playing.
Future perfect continuous del verbo "to live"
Affermativa Negativa Interrogativa Negativa Interrogativa
I will have been living I won't have been living Will I have been living? Won't I have been living?
You will have been living You won't have been living Will you have been living? Won't you have been living?
He will have been living He won't have been living Will he have been living? Won't he have been living?
We will have been living We won't have been living Will we have been living? Won't we have been living?
They will have been living They won't have been living Will they have been living? Won't they have been living?

Funzioni del future perfect continuous

Come per il future perfect simple, questo tempo si usa per parlare di un'azione completata nel futuro. Si riferisce ad eventi o azioni non completate in un tempo compreso tra il momento attuale e un futuro non precisato. Viene spesso usato con espressioni di tempo.

Esempi
  • I will have been waiting here for three hours by six o'clock.
  • By 2001 I will have been living in London for sixteen years.
  • When I finish this course, I will have been learning English for twenty years.
  • Next year I will have been working here for four years.
  • When I come at 6:00, will you have been practicing long?