can vocalize
Regular verb: vocalize - vocalized- vocalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can vocalize
you can vocalize
he can vocalize
we can vocalize
you can vocalize
they can vocalize 	I can be vocalizing
you can be vocalizing
he can be vocalizing
we can be vocalizing
you can be vocalizing
they can be vocalizing	I can have vocalized
you can have vocalized
he can have vocalized
we can have vocalized
you can have vocalized
they can have vocalized	I can have been vocalizing
you can have been vocalizing
he can have been vocalizing
we can have been vocalizing
you can have been vocalizing
they can have been vocalizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't vocalize
you can't vocalize
he can't vocalize
we can't vocalize
you can't vocalize
they can't vocalize 	I can't be vocalizing
you can't be vocalizing
he can't be vocalizing
we can't be vocalizing
you can't be vocalizing
they can't be vocalizing	I can't have vocalized
you can't have vocalized
he can't have vocalized
we can't have vocalized
you can't have vocalized
they can't have vocalized	I can't have been vocalizing
you can't have been vocalizing
he can't have been vocalizing
we can't have been vocalizing
you can't have been vocalizing
they can't have been vocalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I vocalize?
can you vocalize?
can he vocalize?
can we vocalize?
can you vocalize?
can they vocalize? 	can I be vocalizing?
can you be vocalizing?
can he be vocalizing?
can we be vocalizing?
can you be vocalizing?
can they be vocalizing? 	can I have vocalized?
can you have vocalized?
can he have vocalized?
can we have vocalized?
can you have vocalized?
can they have vocalized? 	can I have been vocalizing?
can you have been vocalizing?
can he have been vocalizing?
can we have been vocalizing?
can you have been vocalizing?
can they have been vocalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I vocalize?
can't you vocalize?
can't he vocalize?
can't we vocalize?
can't you vocalize?
can't they vocalize? 	can't I be vocalizing?
can't you be vocalizing?
can't he be vocalizing?
can't we be vocalizing?
can't you be vocalizing?
can't they be vocalizing? 	can't I have vocalized?
can't you have vocalized?
can't he have vocalized?
can't we have vocalized?
can't you have vocalized?
can't they have vocalized? 	can't I have been vocalizing?
can't you have been vocalizing?
can't he have been vocalizing?
can't we have been vocalizing?
can't you have been vocalizing?
can't they have been vocalizing?