I can vocalize you can vocalize she can vocalize we can vocalize you can vocalize they can vocalize
V-ing form
I can be vocalizing you can be vocalizing she can be vocalizing we can be vocalizing you can be vocalizing they can be vocalizing
Perfect
I can have vocalized you can have vocalized she 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 she can have been vocalizing we can have been vocalizing you can have been vocalizing they can have been vocalizing
Negation
Simple form
I cannot vocalize you cannot vocalize she cannot vocalize we cannot vocalize you cannot vocalize they cannot vocalize
V-ing form
I cannot be vocalizing you cannot be vocalizing she cannot be vocalizing we cannot be vocalizing you cannot be vocalizing they cannot be vocalizing
Perfect
I cannot have vocalized you cannot have vocalized she cannot have vocalized we cannot have vocalized you cannot have vocalized they cannot have vocalized
V-ing perfect
I cannot have been vocalizing you cannot have been vocalizing she cannot have been vocalizing we cannot have been vocalizing you cannot have been vocalizing they cannot have been vocalizing
Interrogative form
Simple form
can I vocalize? can you vocalize? can she vocalize? can we vocalize? can you vocalize? can they vocalize?
V-ing form
can I be vocalizing? can you be vocalizing? can she be vocalizing? can we be vocalizing? can you be vocalizing? can they be vocalizing?
Perfect
can I have vocalized? can you have vocalized? can she 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 she have been vocalizing? can we have been vocalizing? can you have been vocalizing? can they have been vocalizing?
Interro-negative form
Simple form
can I not vocalize? can you not vocalize? can she not vocalize? can we not vocalize? can you not vocalize? can they not vocalize?
V-ing form
can I not be vocalizing? can you not be vocalizing? can she not be vocalizing? can we not be vocalizing? can you not be vocalizing? can they not be vocalizing?
Perfect
can I not have vocalized? can you not have vocalized? can she not have vocalized? can we not have vocalized? can you not have vocalized? can they not have vocalized?
V-ing perfect
can I not have been vocalizing? can you not have been vocalizing? can she not have been vocalizing? can we not have been vocalizing? can you not have been vocalizing? can they not have been vocalizing?