I can prove you can prove he can prove we can prove you can prove they can prove
Forma com 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
Perfeito
I can have proven you can have proven he can have proven we can have proven you can have proven they can have proven
Perfeito com 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
Negação
Forma simple
I cannot prove you cannot prove he cannot prove we cannot prove you cannot prove they cannot prove
Forma com V-ing
I cannot be proving you cannot be proving he cannot be proving we cannot be proving you cannot be proving they cannot be proving
Perfeito
I cannot have proven you cannot have proven he cannot have proven we cannot have proven you cannot have proven they cannot have proven
Perfeito com V-ing
I cannot have been proving you cannot have been proving he cannot have been proving we cannot have been proving you cannot have been proving they cannot 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 com 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?
Perfeito
can I have proven? can you have proven? can he have proven? can we have proven? can you have proven? can they have proven?
Perfeito com 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-Negação
Forma simple
can I not prove? can you not prove? can he not prove? can we not prove? can you not prove? can they not prove?
Forma com V-ing
can I not be proving? can you not be proving? can he not be proving? can we not be proving? can you not be proving? can they not be proving?
Perfeito
can I not have proven? can you not have proven? can he not have proven? can we not have proven? can you not have proven? can they not have proven?
Perfeito com V-ing
can I not have been proving? can you not have been proving? can he not have been proving? can we not have been proving? can you not have been proving? can they not have been proving?