
Verbe irrégulier : prove - proved - proven
Traduction française : prouver - s'avérer 
Forme simple | Forme en V-ing | 
| I could prove you could prove she could prove we could prove you could prove they could prove  | I could be proving you could be proving she 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 she 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 she could have been proving we could have been proving you could have been proving they could have been proving  | 
Forme simple | Forme en V-ing | 
| I couldn't prove you couldn't prove she couldn't prove we couldn't prove you couldn't prove they couldn't prove  | I couldn't be proving you couldn't be proving she couldn't be proving we couldn't be proving you couldn't be proving they couldn't be proving  | 
Perfect | Perfect en V-ing | 
| I couldn't have proven you couldn't have proven she couldn't have proven we couldn't have proven you couldn't have proven they couldn't have proven  | I couldn't have been proving you couldn't have been proving she couldn't have been proving we couldn't have been proving you couldn't have been proving they couldn't have been proving  | 
Forme simple | Forme en V-ing | 
| could I prove? could you prove? could she prove? could we prove? could you prove? could they prove?  | could I be proving? could you be proving? could she 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 she 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 she have been proving? could we have been proving? could you have been proving? could they have been proving?  | 
Forme simple | Forme en V-ing | 
| couldn't I prove? couldn't you prove? couldn't she prove? couldn't we prove? couldn't you prove? couldn't they prove?  | couldn't I be proving? couldn't you be proving? couldn't she be proving? couldn't we be proving? couldn't you be proving? couldn't they be proving?  | 
Perfect | Perfect en V-ing | 
| couldn't I have proven? couldn't you have proven? couldn't she have proven? couldn't we have proven? couldn't you have proven? couldn't they have proven?  | couldn't I have been proving? couldn't you have been proving? couldn't she have been proving? couldn't we have been proving? couldn't you have been proving? couldn't they have been proving?  |