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