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 can't voice
you can't voice
she can't voice
we can't voice
you can't voice
they can't voice 	I can't be voicing
you can't be voicing
she can't be voicing
we can't be voicing
you can't be voicing
they can't be voicing	I can't have voiced
you can't have voiced
she can't have voiced
we can't have voiced
you can't have voiced
they can't have voiced	I can't have been voicing
you can't have been voicing
she can't have been voicing
we can't have been voicing
you can't have been voicing
they can't 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't I voice?
can't you voice?
can't she voice?
can't we voice?
can't you voice?
can't they voice? 	can't I be voicing?
can't you be voicing?
can't she be voicing?
can't we be voicing?
can't you be voicing?
can't they be voicing? 	can't I have voiced?
can't you have voiced?
can't she have voiced?
can't we have voiced?
can't you have voiced?
can't they have voiced? 	can't I have been voicing?
can't you have been voicing?
can't she have been voicing?
can't we have been voicing?
can't you have been voicing?
can't they have been voicing?