English verb conjugation
COULD CHAMFER

Regular verb: chamfer - chamfered - chamfered

Affirmation

Simple form	V-ing form
I could chamfer you could chamfer she could chamfer we could chamfer you could chamfer they could chamfer	I could be chamfering you could be chamfering she could be chamfering we could be chamfering you could be chamfering they could be chamfering
Perfect	V-ing perfect
I could have chamfered you could have chamfered she could have chamfered we could have chamfered you could have chamfered they could have chamfered	I could have been chamfering you could have been chamfering she could have been chamfering we could have been chamfering you could have been chamfering they could have been chamfering

Negation

Simple form	V-ing form
I could not chamfer you could not chamfer she could not chamfer we could not chamfer you could not chamfer they could not chamfer	I could not be chamfering you could not be chamfering she could not be chamfering we could not be chamfering you could not be chamfering they could not be chamfering
Perfect	V-ing perfect
I could not have chamfered you could not have chamfered she could not have chamfered we could not have chamfered you could not have chamfered they could not have chamfered	I could not have been chamfering you could not have been chamfering she could not have been chamfering we could not have been chamfering you could not have been chamfering they could not have been chamfering

Interrogative form

Simple form	V-ing form
could I chamfer? could you chamfer? could she chamfer? could we chamfer? could you chamfer? could they chamfer?	could I be chamfering? could you be chamfering? could she be chamfering? could we be chamfering? could you be chamfering? could they be chamfering?
Perfect	V-ing perfect
could I have chamfered? could you have chamfered? could she have chamfered? could we have chamfered? could you have chamfered? could they have chamfered?	could I have been chamfering? could you have been chamfering? could she have been chamfering? could we have been chamfering? could you have been chamfering? could they have been chamfering?

Interro-negative form

Simple form	V-ing form
could I not chamfer? could you not chamfer? could she not chamfer? could we not chamfer? could you not chamfer? could they not chamfer?	could I not be chamfering? could you not be chamfering? could she not be chamfering? could we not be chamfering? could you not be chamfering? could they not be chamfering?
Perfect	V-ing perfect
could I not have chamfered? could you not have chamfered? could she not have chamfered? could we not have chamfered? could you not have chamfered? could they not have chamfered?	could I not have been chamfering? could you not have been chamfering? could she not have been chamfering? could we not have been chamfering? could you not have been chamfering? could they not have been chamfering?