Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could officer you could officer he could officer we could officer you could officer they could officer
V-ing form
I could be officering you could be officering he could be officering we could be officering you could be officering they could be officering
Perfect
I could have officered you could have officered he could have officered we could have officered you could have officered they could have officered
V-ing perfect
I could have been officering you could have been officering he could have been officering we could have been officering you could have been officering they could have been officering
Negation
Simple form
I could not officer you could not officer he could not officer we could not officer you could not officer they could not officer
V-ing form
I could not be officering you could not be officering he could not be officering we could not be officering you could not be officering they could not be officering
Perfect
I could not have officered you could not have officered he could not have officered we could not have officered you could not have officered they could not have officered
V-ing perfect
I could not have been officering you could not have been officering he could not have been officering we could not have been officering you could not have been officering they could not have been officering
Interrogative form
Simple form
could I officer? could you officer? could he officer? could we officer? could you officer? could they officer?
V-ing form
could I be officering? could you be officering? could he be officering? could we be officering? could you be officering? could they be officering?
Perfect
could I have officered? could you have officered? could he have officered? could we have officered? could you have officered? could they have officered?
V-ing perfect
could I have been officering? could you have been officering? could he have been officering? could we have been officering? could you have been officering? could they have been officering?
Interro-negative form
Simple form
could I not officer? could you not officer? could he not officer? could we not officer? could you not officer? could they not officer?
V-ing form
could I not be officering? could you not be officering? could he not be officering? could we not be officering? could you not be officering? could they not be officering?
Perfect
could I not have officered? could you not have officered? could he not have officered? could we not have officered? could you not have officered? could they not have officered?
V-ing perfect
could I not have been officering? could you not have been officering? could he not have been officering? could we not have been officering? could you not have been officering? could they not have been officering?