must prove
Verbo irregular: prove - proved- proven

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prove
you must prove
he must prove
we must prove
you must prove
they must prove 	I must be proving
you must be proving
he must be proving
we must be proving
you must be proving
they must be proving	I must have proven
you must have proven
he must have proven
we must have proven
you must have proven
they must have proven	I must have been proving
you must have been proving
he must have been proving
we must have been proving
you must have been proving
they must have been proving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't prove
you mustn't prove
he mustn't prove
we mustn't prove
you mustn't prove
they mustn't prove 	I mustn't be proving
you mustn't be proving
he mustn't be proving
we mustn't be proving
you mustn't be proving
they mustn't be proving	I mustn't have proven
you mustn't have proven
he mustn't have proven
we mustn't have proven
you mustn't have proven
they mustn't have proven	I mustn't have been proving
you mustn't have been proving
he mustn't have been proving
we mustn't have been proving
you mustn't have been proving
they mustn't have been proving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prove?
must you prove?
must he prove?
must we prove?
must you prove?
must they prove? 	must I be proving?
must you be proving?
must he be proving?
must we be proving?
must you be proving?
must they be proving? 	must I have proven?
must you have proven?
must he have proven?
must we have proven?
must you have proven?
must they have proven? 	must I have been proving?
must you have been proving?
must he have been proving?
must we have been proving?
must you have been proving?
must they have been proving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I prove?
mustn't you prove?
mustn't he prove?
mustn't we prove?
mustn't you prove?
mustn't they prove? 	mustn't I be proving?
mustn't you be proving?
mustn't he be proving?
mustn't we be proving?
mustn't you be proving?
mustn't they be proving? 	mustn't I have proven?
mustn't you have proven?
mustn't he have proven?
mustn't we have proven?
mustn't you have proven?
mustn't they have proven? 	mustn't I have been proving?
mustn't you have been proving?
mustn't he have been proving?
mustn't we have been proving?
mustn't you have been proving?
mustn't they have been proving?