must vocalize
Verbo regular: vocalize - vocalized- vocalized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must vocalize
you must vocalize
he must vocalize
we must vocalize
you must vocalize
they must vocalize 	I must be vocalizing
you must be vocalizing
he must be vocalizing
we must be vocalizing
you must be vocalizing
they must be vocalizing	I must have vocalized
you must have vocalized
he must have vocalized
we must have vocalized
you must have vocalized
they must have vocalized	I must have been vocalizing
you must have been vocalizing
he must have been vocalizing
we must have been vocalizing
you must have been vocalizing
they must have been vocalizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't vocalize
you mustn't vocalize
he mustn't vocalize
we mustn't vocalize
you mustn't vocalize
they mustn't vocalize 	I mustn't be vocalizing
you mustn't be vocalizing
he mustn't be vocalizing
we mustn't be vocalizing
you mustn't be vocalizing
they mustn't be vocalizing	I mustn't have vocalized
you mustn't have vocalized
he mustn't have vocalized
we mustn't have vocalized
you mustn't have vocalized
they mustn't have vocalized	I mustn't have been vocalizing
you mustn't have been vocalizing
he mustn't have been vocalizing
we mustn't have been vocalizing
you mustn't have been vocalizing
they mustn't have been vocalizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I vocalize?
must you vocalize?
must he vocalize?
must we vocalize?
must you vocalize?
must they vocalize? 	must I be vocalizing?
must you be vocalizing?
must he be vocalizing?
must we be vocalizing?
must you be vocalizing?
must they be vocalizing? 	must I have vocalized?
must you have vocalized?
must he have vocalized?
must we have vocalized?
must you have vocalized?
must they have vocalized? 	must I have been vocalizing?
must you have been vocalizing?
must he have been vocalizing?
must we have been vocalizing?
must you have been vocalizing?
must they have been vocalizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I vocalize?
mustn't you vocalize?
mustn't he vocalize?
mustn't we vocalize?
mustn't you vocalize?
mustn't they vocalize? 	mustn't I be vocalizing?
mustn't you be vocalizing?
mustn't he be vocalizing?
mustn't we be vocalizing?
mustn't you be vocalizing?
mustn't they be vocalizing? 	mustn't I have vocalized?
mustn't you have vocalized?
mustn't he have vocalized?
mustn't we have vocalized?
mustn't you have vocalized?
mustn't they have vocalized? 	mustn't I have been vocalizing?
mustn't you have been vocalizing?
mustn't he have been vocalizing?
mustn't we have been vocalizing?
mustn't you have been vocalizing?
mustn't they have been vocalizing?