I could badge you could badge he could badge we could badge you could badge they could badge
V-ing form
I could be badging you could be badging he could be badging we could be badging you could be badging they could be badging
Perfect
I could have badged you could have badged he could have badged we could have badged you could have badged they could have badged
V-ing perfect
I could have been badging you could have been badging he could have been badging we could have been badging you could have been badging they could have been badging
Negation
Simple form
I could not badge you could not badge he could not badge we could not badge you could not badge they could not badge
V-ing form
I could not be badging you could not be badging he could not be badging we could not be badging you could not be badging they could not be badging
Perfect
I could not have badged you could not have badged he could not have badged we could not have badged you could not have badged they could not have badged
V-ing perfect
I could not have been badging you could not have been badging he could not have been badging we could not have been badging you could not have been badging they could not have been badging
Interrogative form
Simple form
could I badge? could you badge? could he badge? could we badge? could you badge? could they badge?
V-ing form
could I be badging? could you be badging? could he be badging? could we be badging? could you be badging? could they be badging?
Perfect
could I have badged? could you have badged? could he have badged? could we have badged? could you have badged? could they have badged?
V-ing perfect
could I have been badging? could you have been badging? could he have been badging? could we have been badging? could you have been badging? could they have been badging?
Interro-negative form
Simple form
could I not badge? could you not badge? could he not badge? could we not badge? could you not badge? could they not badge?
V-ing form
could I not be badging? could you not be badging? could he not be badging? could we not be badging? could you not be badging? could they not be badging?
Perfect
could I not have badged? could you not have badged? could he not have badged? could we not have badged? could you not have badged? could they not have badged?
V-ing perfect
could I not have been badging? could you not have been badging? could he not have been badging? could we not have been badging? could you not have been badging? could they not have been badging?