English verb conjugation
CAN PROVE

Irregular verb: prove - proved - proven

Affirmation

Simple form	V-ing form
I can prove you can prove he can prove we can prove you can prove they can prove	I can be proving you can be proving he can be proving we can be proving you can be proving they can be proving
Perfect	V-ing perfect
I can have proven you can have proven he can have proven we can have proven you can have proven they can have proven	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

Negation

Simple form	V-ing form
I can't prove you can't prove he can't prove we can't prove you can't prove they can't prove	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
Perfect	V-ing perfect
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	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

Interrogative form

Simple form	V-ing form
can I prove? can you prove? can he prove? can we prove? can you prove? can they prove?	can I be proving? can you be proving? can he be proving? can we be proving? can you be proving? can they be proving?
Perfect	V-ing perfect
can I have proven? can you have proven? can he have proven? can we have proven? can you have proven? can they have proven?	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?

Interro-negative form

Simple form	V-ing form
can't I prove? can't you prove? can't he prove? can't we prove? can't you prove? can't they prove?	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?
Perfect	V-ing perfect
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?	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?