Conjugación del verbo inglés
COULD PROVE

Verbo irregular: prove - proved - proven

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con 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

Negación

Forma simple	Forma con V-ing
I couldn't prove you couldn't prove he 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 he couldn't be proving we couldn't be proving you couldn't be proving they couldn't be proving
Perfecto	Perfecto con V-ing
I couldn't have proven you couldn't have proven he 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 he couldn't have been proving we couldn't have been proving you couldn't have been proving they couldn't have been proving

Forma interrogativa

Forma simple	Forma con 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?
Perfecto	Perfecto con 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?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I prove? couldn't you prove? couldn't he 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 he be proving? couldn't we be proving? couldn't you be proving? couldn't they be proving?
Perfecto	Perfecto con V-ing
couldn't I have proven? couldn't you have proven? couldn't he 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 he have been proving? couldn't we have been proving? couldn't you have been proving? couldn't they have been proving?