English verb conjugation
COULD REVOICE

Regular verb: revoice - revoiced - revoiced

Affirmation

Simple form	V-ing form
I could revoice you could revoice he could revoice we could revoice you could revoice they could revoice	I could be revoicing you could be revoicing he could be revoicing we could be revoicing you could be revoicing they could be revoicing
Perfect	V-ing perfect
I could have revoiced you could have revoiced he could have revoiced we could have revoiced you could have revoiced they could have revoiced	I could have been revoicing you could have been revoicing he could have been revoicing we could have been revoicing you could have been revoicing they could have been revoicing

Negation

Simple form	V-ing form
I couldn't revoice you couldn't revoice he couldn't revoice we couldn't revoice you couldn't revoice they couldn't revoice	I couldn't be revoicing you couldn't be revoicing he couldn't be revoicing we couldn't be revoicing you couldn't be revoicing they couldn't be revoicing
Perfect	V-ing perfect
I couldn't have revoiced you couldn't have revoiced he couldn't have revoiced we couldn't have revoiced you couldn't have revoiced they couldn't have revoiced	I couldn't have been revoicing you couldn't have been revoicing he couldn't have been revoicing we couldn't have been revoicing you couldn't have been revoicing they couldn't have been revoicing

Interrogative form

Simple form	V-ing form
could I revoice? could you revoice? could he revoice? could we revoice? could you revoice? could they revoice?	could I be revoicing? could you be revoicing? could he be revoicing? could we be revoicing? could you be revoicing? could they be revoicing?
Perfect	V-ing perfect
could I have revoiced? could you have revoiced? could he have revoiced? could we have revoiced? could you have revoiced? could they have revoiced?	could I have been revoicing? could you have been revoicing? could he have been revoicing? could we have been revoicing? could you have been revoicing? could they have been revoicing?

Interro-negative form

Simple form	V-ing form
couldn't I revoice? couldn't you revoice? couldn't he revoice? couldn't we revoice? couldn't you revoice? couldn't they revoice?	couldn't I be revoicing? couldn't you be revoicing? couldn't he be revoicing? couldn't we be revoicing? couldn't you be revoicing? couldn't they be revoicing?
Perfect	V-ing perfect
couldn't I have revoiced? couldn't you have revoiced? couldn't he have revoiced? couldn't we have revoiced? couldn't you have revoiced? couldn't they have revoiced?	couldn't I have been revoicing? couldn't you have been revoicing? couldn't he have been revoicing? couldn't we have been revoicing? couldn't you have been revoicing? couldn't they have been revoicing?