Futurum exaktum

Form

Futurum exaktum är sammansatt av två delar
enkel futurum av verbet "to have" (will have) + perfekt particip av huvudverbet

Subjekt	+ will have	+ perfekt particip av huvudverbet
He	will have	finished.
I	will have	finished.

To arrive, futurum exaktum

Jakande	Nekande	Frågande	Nekande och frågande
I will have arrived	I won't have arrived	Will I have arrived?	Won't I have arrived?
You will have arrived	You won't have arrived	Will you have arrived?	Won't you have arrived?
He will have arrived	He won't have arrived	Will he have arrived?	Won't he have arrived?
We will have arrived	We won't have arrived	Will we have arrived?	Won't we have arrived?
They will have arrived	They won't have arrived	Will they have arrived?	Won't they have arrived?

Funktion

Futurum exaktum syftar på ett fullbordat agerande i framtiden. När vi använder den här tempusformen föreställer vi oss själva i en framtid, tittandes tillbaka på ett agerande som kommer att ha avslutats vid en tidpunkt som ligger en bit in framtiden jämfört med precis just nu. Formen används oftast tillsammmans med ett tidsuttryck.