must vial
Verbo regular: vial - vialed- vialed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must vial
you must vial
he must vial
we must vial
you must vial
they must vial 	I must be vialing
you must be vialing
he must be vialing
we must be vialing
you must be vialing
they must be vialing	I must have vialed
you must have vialed
he must have vialed
we must have vialed
you must have vialed
they must have vialed	I must have been vialing
you must have been vialing
he must have been vialing
we must have been vialing
you must have been vialing
they must have been vialing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't vial
you mustn't vial
he mustn't vial
we mustn't vial
you mustn't vial
they mustn't vial 	I mustn't be vialing
you mustn't be vialing
he mustn't be vialing
we mustn't be vialing
you mustn't be vialing
they mustn't be vialing	I mustn't have vialed
you mustn't have vialed
he mustn't have vialed
we mustn't have vialed
you mustn't have vialed
they mustn't have vialed	I mustn't have been vialing
you mustn't have been vialing
he mustn't have been vialing
we mustn't have been vialing
you mustn't have been vialing
they mustn't have been vialing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I vial?
must you vial?
must he vial?
must we vial?
must you vial?
must they vial? 	must I be vialing?
must you be vialing?
must he be vialing?
must we be vialing?
must you be vialing?
must they be vialing? 	must I have vialed?
must you have vialed?
must he have vialed?
must we have vialed?
must you have vialed?
must they have vialed? 	must I have been vialing?
must you have been vialing?
must he have been vialing?
must we have been vialing?
must you have been vialing?
must they have been vialing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I vial?
mustn't you vial?
mustn't he vial?
mustn't we vial?
mustn't you vial?
mustn't they vial? 	mustn't I be vialing?
mustn't you be vialing?
mustn't he be vialing?
mustn't we be vialing?
mustn't you be vialing?
mustn't they be vialing? 	mustn't I have vialed?
mustn't you have vialed?
mustn't he have vialed?
mustn't we have vialed?
mustn't you have vialed?
mustn't they have vialed? 	mustn't I have been vialing?
mustn't you have been vialing?
mustn't he have been vialing?
mustn't we have been vialing?
mustn't you have been vialing?
mustn't they have been vialing?