could prove
Unregelmä&szlig;iges Verb: prove - proved- proven

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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	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	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not prove
you could not prove
she could not prove
we could not prove
you could not prove
they could not prove 	I could not be proving
you could not be proving
she could not be proving
we could not be proving
you could not be proving
they could not be proving	I could not have proven
you could not have proven
she could not have proven
we could not have proven
you could not have proven
they could not have proven	I could not have been proving
you could not have been proving
she could not have been proving
we could not have been proving
you could not have been proving
they could not have been proving	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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? 	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? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not prove?
could you not prove?
could she not prove?
could we not prove?
could you not prove?
could they not prove? 	could I not be proving?
could you not be proving?
could she not be proving?
could we not be proving?
could you not be proving?
could they not be proving? 	could I not have proven?
could you not have proven?
could she not have proven?
could we not have proven?
could you not have proven?
could they not have proven? 	could I not have been proving?
could you not have been proving?
could she not have been proving?
could we not have been proving?
could you not have been proving?
could they not have been proving?