must vocalize
Verbo regular: vocalize - vocalized- vocalized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not vocalize
you must not vocalize
he must not vocalize
we must not vocalize
you must not vocalize
they must not vocalize 	I must not be vocalizing
you must not be vocalizing
he must not be vocalizing
we must not be vocalizing
you must not be vocalizing
they must not be vocalizing	I must not have vocalized
you must not have vocalized
he must not have vocalized
we must not have vocalized
you must not have vocalized
they must not have vocalized	I must not have been vocalizing
you must not have been vocalizing
he must not have been vocalizing
we must not have been vocalizing
you must not have been vocalizing
they must not have been vocalizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not vocalize?
must you not vocalize?
must he not vocalize?
must we not vocalize?
must you not vocalize?
must they not vocalize? 	must I not be vocalizing?
must you not be vocalizing?
must he not be vocalizing?
must we not be vocalizing?
must you not be vocalizing?
must they not be vocalizing? 	must I not have vocalized?
must you not have vocalized?
must he not have vocalized?
must we not have vocalized?
must you not have vocalized?
must they not have vocalized? 	must I not have been vocalizing?
must you not have been vocalizing?
must he not have been vocalizing?
must we not have been vocalizing?
must you not have been vocalizing?
must they not have been vocalizing?