Conjugaison du verbe anglais
COULD PROVE

Verbe irrégulier : prove - proved - proven
Traduction française : prouver - s'avérer

Affirmation

Forme simple	Forme en V-ing
I could prove you could prove he could prove we could prove you could prove they could prove	I could be proving you could be proving he could be proving we could be proving you could be proving they could be proving
Perfect	Perfect en V-ing
I could have proven you could have proven he could have proven we could have proven you could have proven they could have proven	I could have been proving you could have been proving he could have been proving we could have been proving you could have been proving they could have been proving

Négation

Forme simple	Forme en V-ing
I could not prove you could not prove he could not prove we could not prove you could not prove they could not prove	I could not be proving you could not be proving he could not be proving we could not be proving you could not be proving they could not be proving
Perfect	Perfect en V-ing
I could not have proven you could not have proven he could not have proven we could not have proven you could not have proven they could not have proven	I could not have been proving you could not have been proving he could not have been proving we could not have been proving you could not have been proving they could not have been proving

Forme interrogative

Forme simple	Forme en V-ing
could I prove? could you prove? could he prove? could we prove? could you prove? could they prove?	could I be proving? could you be proving? could he be proving? could we be proving? could you be proving? could they be proving?
Perfect	Perfect en V-ing
could I have proven? could you have proven? could he have proven? could we have proven? could you have proven? could they have proven?	could I have been proving? could you have been proving? could he have been proving? could we have been proving? could you have been proving? could they have been proving?

Forme interro-négative

Forme simple	Forme en V-ing
could I not prove? could you not prove? could he not prove? could we not prove? could you not prove? could they not prove?	could I not be proving? could you not be proving? could he not be proving? could we not be proving? could you not be proving? could they not be proving?
Perfect	Perfect en V-ing
could I not have proven? could you not have proven? could he not have proven? could we not have proven? could you not have proven? could they not have proven?	could I not have been proving? could you not have been proving? could he not have been proving? could we not have been proving? could you not have been proving? could they not have been proving?