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 couldn't badge you couldn't badge he couldn't badge we couldn't badge you couldn't badge they couldn't badge
V-ing form
I couldn't be badging you couldn't be badging he couldn't be badging we couldn't be badging you couldn't be badging they couldn't be badging
Perfect
I couldn't have badged you couldn't have badged he couldn't have badged we couldn't have badged you couldn't have badged they couldn't have badged
V-ing perfect
I couldn't have been badging you couldn't have been badging he couldn't have been badging we couldn't have been badging you couldn't have been badging they couldn't 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
couldn't I badge? couldn't you badge? couldn't he badge? couldn't we badge? couldn't you badge? couldn't they badge?
V-ing form
couldn't I be badging? couldn't you be badging? couldn't he be badging? couldn't we be badging? couldn't you be badging? couldn't they be badging?
Perfect
couldn't I have badged? couldn't you have badged? couldn't he have badged? couldn't we have badged? couldn't you have badged? couldn't they have badged?
V-ing perfect
couldn't I have been badging? couldn't you have been badging? couldn't he have been badging? couldn't we have been badging? couldn't you have been badging? couldn't they have been badging?