Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could prognostic you could prognostic she could prognostic we could prognostic you could prognostic they could prognostic
Forme en V-ing
I could be prognosticing you could be prognosticing she could be prognosticing we could be prognosticing you could be prognosticing they could be prognosticing
Perfect
I could have prognosticed you could have prognosticed she could have prognosticed we could have prognosticed you could have prognosticed they could have prognosticed
Perfect en V-ing
I could have been prognosticing you could have been prognosticing she could have been prognosticing we could have been prognosticing you could have been prognosticing they could have been prognosticing
Négation
Forme simple
I could not prognostic you could not prognostic she could not prognostic we could not prognostic you could not prognostic they could not prognostic
Forme en V-ing
I could not be prognosticing you could not be prognosticing she could not be prognosticing we could not be prognosticing you could not be prognosticing they could not be prognosticing
Perfect
I could not have prognosticed you could not have prognosticed she could not have prognosticed we could not have prognosticed you could not have prognosticed they could not have prognosticed
Perfect en V-ing
I could not have been prognosticing you could not have been prognosticing she could not have been prognosticing we could not have been prognosticing you could not have been prognosticing they could not have been prognosticing
Forme interrogative
Forme simple
could I prognostic? could you prognostic? could she prognostic? could we prognostic? could you prognostic? could they prognostic?
Forme en V-ing
could I be prognosticing? could you be prognosticing? could she be prognosticing? could we be prognosticing? could you be prognosticing? could they be prognosticing?
Perfect
could I have prognosticed? could you have prognosticed? could she have prognosticed? could we have prognosticed? could you have prognosticed? could they have prognosticed?
Perfect en V-ing
could I have been prognosticing? could you have been prognosticing? could she have been prognosticing? could we have been prognosticing? could you have been prognosticing? could they have been prognosticing?
Forme interro-négative
Forme simple
could I not prognostic? could you not prognostic? could she not prognostic? could we not prognostic? could you not prognostic? could they not prognostic?
Forme en V-ing
could I not be prognosticing? could you not be prognosticing? could she not be prognosticing? could we not be prognosticing? could you not be prognosticing? could they not be prognosticing?
Perfect
could I not have prognosticed? could you not have prognosticed? could she not have prognosticed? could we not have prognosticed? could you not have prognosticed? could they not have prognosticed?
Perfect en V-ing
could I not have been prognosticing? could you not have been prognosticing? could she not have been prognosticing? could we not have been prognosticing? could you not have been prognosticing? could they not have been prognosticing?