I can prove you can prove he can prove we can prove you can prove they can prove
Forma con V-ing
I can be proving you can be proving he can be proving we can be proving you can be proving they can be proving
Perfecto
I can have proven you can have proven he can have proven we can have proven you can have proven they can have proven
Perfecto con V-ing
I can have been proving you can have been proving he can have been proving we can have been proving you can have been proving they can have been proving
Negación
Forma simple
I can't prove you can't prove he can't prove we can't prove you can't prove they can't prove
Forma con V-ing
I can't be proving you can't be proving he can't be proving we can't be proving you can't be proving they can't be proving
Perfecto
I can't have proven you can't have proven he can't have proven we can't have proven you can't have proven they can't have proven
Perfecto con V-ing
I can't have been proving you can't have been proving he can't have been proving we can't have been proving you can't have been proving they can't have been proving
Forma interrogativa
Forma simple
can I prove? can you prove? can he prove? can we prove? can you prove? can they prove?
Forma con V-ing
can I be proving? can you be proving? can he be proving? can we be proving? can you be proving? can they be proving?
Perfecto
can I have proven? can you have proven? can he have proven? can we have proven? can you have proven? can they have proven?
Perfecto con V-ing
can I have been proving? can you have been proving? can he have been proving? can we have been proving? can you have been proving? can they have been proving?
Forma interro-negativa
Forma simple
can't I prove? can't you prove? can't he prove? can't we prove? can't you prove? can't they prove?
Forma con V-ing
can't I be proving? can't you be proving? can't he be proving? can't we be proving? can't you be proving? can't they be proving?
Perfecto
can't I have proven? can't you have proven? can't he have proven? can't we have proven? can't you have proven? can't they have proven?
Perfecto con V-ing
can't I have been proving? can't you have been proving? can't he have been proving? can't we have been proving? can't you have been proving? can't they have been proving?