can voice
Regular verb: voice - voiced- voiced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can voice
you can voice
she can voice
we can voice
you can voice
they can voice 	I can be voicing
you can be voicing
she can be voicing
we can be voicing
you can be voicing
they can be voicing	I can have voiced
you can have voiced
she can have voiced
we can have voiced
you can have voiced
they can have voiced	I can have been voicing
you can have been voicing
she can have been voicing
we can have been voicing
you can have been voicing
they can have been voicing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot voice
you cannot voice
she cannot voice
we cannot voice
you cannot voice
they cannot voice 	I cannot be voicing
you cannot be voicing
she cannot be voicing
we cannot be voicing
you cannot be voicing
they cannot be voicing	I cannot have voiced
you cannot have voiced
she cannot have voiced
we cannot have voiced
you cannot have voiced
they cannot have voiced	I cannot have been voicing
you cannot have been voicing
she cannot have been voicing
we cannot have been voicing
you cannot have been voicing
they cannot have been voicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I voice?
can you voice?
can she voice?
can we voice?
can you voice?
can they voice? 	can I be voicing?
can you be voicing?
can she be voicing?
can we be voicing?
can you be voicing?
can they be voicing? 	can I have voiced?
can you have voiced?
can she have voiced?
can we have voiced?
can you have voiced?
can they have voiced? 	can I have been voicing?
can you have been voicing?
can she have been voicing?
can we have been voicing?
can you have been voicing?
can they have been voicing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not voice?
can you not voice?
can she not voice?
can we not voice?
can you not voice?
can they not voice? 	can I not be voicing?
can you not be voicing?
can she not be voicing?
can we not be voicing?
can you not be voicing?
can they not be voicing? 	can I not have voiced?
can you not have voiced?
can she not have voiced?
can we not have voiced?
can you not have voiced?
can they not have voiced? 	can I not have been voicing?
can you not have been voicing?
can she not have been voicing?
can we not have been voicing?
can you not have been voicing?
can they not have been voicing?