English verb conjugation
COULD VOICE

Regular verb: voice - voiced - voiced

Affirmation

Simple form	V-ing form
I could voice you could voice he could voice we could voice you could voice they could voice	I could be voicing you could be voicing he could be voicing we could be voicing you could be voicing they could be voicing
Perfect	V-ing perfect
I could have voiced you could have voiced he could have voiced we could have voiced you could have voiced they could have voiced	I could have been voicing you could have been voicing he could have been voicing we could have been voicing you could have been voicing they could have been voicing

Negation

Simple form	V-ing form
I could not voice you could not voice he could not voice we could not voice you could not voice they could not voice	I could not be voicing you could not be voicing he could not be voicing we could not be voicing you could not be voicing they could not be voicing
Perfect	V-ing perfect
I could not have voiced you could not have voiced he could not have voiced we could not have voiced you could not have voiced they could not have voiced	I could not have been voicing you could not have been voicing he could not have been voicing we could not have been voicing you could not have been voicing they could not have been voicing

Interrogative form

Simple form	V-ing form
could I voice? could you voice? could he voice? could we voice? could you voice? could they voice?	could I be voicing? could you be voicing? could he be voicing? could we be voicing? could you be voicing? could they be voicing?
Perfect	V-ing perfect
could I have voiced? could you have voiced? could he have voiced? could we have voiced? could you have voiced? could they have voiced?	could I have been voicing? could you have been voicing? could he have been voicing? could we have been voicing? could you have been voicing? could they have been voicing?

Interro-negative form

Simple form	V-ing form
could I not voice? could you not voice? could he not voice? could we not voice? could you not voice? could they not voice?	could I not be voicing? could you not be voicing? could he not be voicing? could we not be voicing? could you not be voicing? could they not be voicing?
Perfect	V-ing perfect
could I not have voiced? could you not have voiced? could he not have voiced? could we not have voiced? could you not have voiced? could they not have voiced?	could I not have been voicing? could you not have been voicing? could he not have been voicing? could we not have been voicing? could you not have been voicing? could they not have been voicing?