must presolve
Verbo regular: presolve - presolved- presolved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must presolve
you must presolve
he must presolve
we must presolve
you must presolve
they must presolve 	I must be presolving
you must be presolving
he must be presolving
we must be presolving
you must be presolving
they must be presolving	I must have presolved
you must have presolved
he must have presolved
we must have presolved
you must have presolved
they must have presolved	I must have been presolving
you must have been presolving
he must have been presolving
we must have been presolving
you must have been presolving
they must have been presolving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't presolve
you mustn't presolve
he mustn't presolve
we mustn't presolve
you mustn't presolve
they mustn't presolve 	I mustn't be presolving
you mustn't be presolving
he mustn't be presolving
we mustn't be presolving
you mustn't be presolving
they mustn't be presolving	I mustn't have presolved
you mustn't have presolved
he mustn't have presolved
we mustn't have presolved
you mustn't have presolved
they mustn't have presolved	I mustn't have been presolving
you mustn't have been presolving
he mustn't have been presolving
we mustn't have been presolving
you mustn't have been presolving
they mustn't have been presolving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I presolve?
must you presolve?
must he presolve?
must we presolve?
must you presolve?
must they presolve? 	must I be presolving?
must you be presolving?
must he be presolving?
must we be presolving?
must you be presolving?
must they be presolving? 	must I have presolved?
must you have presolved?
must he have presolved?
must we have presolved?
must you have presolved?
must they have presolved? 	must I have been presolving?
must you have been presolving?
must he have been presolving?
must we have been presolving?
must you have been presolving?
must they have been presolving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I presolve?
mustn't you presolve?
mustn't he presolve?
mustn't we presolve?
mustn't you presolve?
mustn't they presolve? 	mustn't I be presolving?
mustn't you be presolving?
mustn't he be presolving?
mustn't we be presolving?
mustn't you be presolving?
mustn't they be presolving? 	mustn't I have presolved?
mustn't you have presolved?
mustn't he have presolved?
mustn't we have presolved?
mustn't you have presolved?
mustn't they have presolved? 	mustn't I have been presolving?
mustn't you have been presolving?
mustn't he have been presolving?
mustn't we have been presolving?
mustn't you have been presolving?
mustn't they have been presolving?