Udvidet førfremtid

Form

Udvidet førfremtid (future perfect continuous) består af to elementer
førfremtid af udsagnsordet "to be" (will have been) + lang tillægsform af hovedudsagnsordet (stammen + ing)

Grundled	+ will have been	+ lang tillægsform
He	will have been	playing.
I	will have been	playing.

To live, udvidet førfremtid

Bekræftende	Nægtende	Spørgende	Nægtende spørgende
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?

Funktion

Ligesom almindelig førfremtid (future perfect simple) bruges denne form til at forestille os selv i fremtiden og se tilbage. Den henviser til uafsluttede hændelser eller handlinger, men som vil blive fuldført engang i fremtiden. Den bruges oftest sammen med et tidsudtryk.