must sue
Verbo regular: sue - sued- sued

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sue
you must sue
he must sue
we must sue
you must sue
they must sue 	I must be suing
you must be suing
he must be suing
we must be suing
you must be suing
they must be suing	I must have sued
you must have sued
he must have sued
we must have sued
you must have sued
they must have sued	I must have been suing
you must have been suing
he must have been suing
we must have been suing
you must have been suing
they must have been suing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sue
you must not sue
he must not sue
we must not sue
you must not sue
they must not sue 	I must not be suing
you must not be suing
he must not be suing
we must not be suing
you must not be suing
they must not be suing	I must not have sued
you must not have sued
he must not have sued
we must not have sued
you must not have sued
they must not have sued	I must not have been suing
you must not have been suing
he must not have been suing
we must not have been suing
you must not have been suing
they must not have been suing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sue?
must you sue?
must he sue?
must we sue?
must you sue?
must they sue? 	must I be suing?
must you be suing?
must he be suing?
must we be suing?
must you be suing?
must they be suing? 	must I have sued?
must you have sued?
must he have sued?
must we have sued?
must you have sued?
must they have sued? 	must I have been suing?
must you have been suing?
must he have been suing?
must we have been suing?
must you have been suing?
must they have been suing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sue?
must you not sue?
must he not sue?
must we not sue?
must you not sue?
must they not sue? 	must I not be suing?
must you not be suing?
must he not be suing?
must we not be suing?
must you not be suing?
must they not be suing? 	must I not have sued?
must you not have sued?
must he not have sued?
must we not have sued?
must you not have sued?
must they not have sued? 	must I not have been suing?
must you not have been suing?
must he not have been suing?
must we not have been suing?
must you not have been suing?
must they not have been suing?