I could wedge you could wedge he could wedge we could wedge you could wedge they could wedge
V-ing form
I could be wedging you could be wedging he could be wedging we could be wedging you could be wedging they could be wedging
Perfect
I could have wedged you could have wedged he could have wedged we could have wedged you could have wedged they could have wedged
V-ing perfect
I could have been wedging you could have been wedging he could have been wedging we could have been wedging you could have been wedging they could have been wedging
Negation
Simple form
I could not wedge you could not wedge he could not wedge we could not wedge you could not wedge they could not wedge
V-ing form
I could not be wedging you could not be wedging he could not be wedging we could not be wedging you could not be wedging they could not be wedging
Perfect
I could not have wedged you could not have wedged he could not have wedged we could not have wedged you could not have wedged they could not have wedged
V-ing perfect
I could not have been wedging you could not have been wedging he could not have been wedging we could not have been wedging you could not have been wedging they could not have been wedging
Interrogative form
Simple form
could I wedge? could you wedge? could he wedge? could we wedge? could you wedge? could they wedge?
V-ing form
could I be wedging? could you be wedging? could he be wedging? could we be wedging? could you be wedging? could they be wedging?
Perfect
could I have wedged? could you have wedged? could he have wedged? could we have wedged? could you have wedged? could they have wedged?
V-ing perfect
could I have been wedging? could you have been wedging? could he have been wedging? could we have been wedging? could you have been wedging? could they have been wedging?
Interro-negative form
Simple form
could I not wedge? could you not wedge? could he not wedge? could we not wedge? could you not wedge? could they not wedge?
V-ing form
could I not be wedging? could you not be wedging? could he not be wedging? could we not be wedging? could you not be wedging? could they not be wedging?
Perfect
could I not have wedged? could you not have wedged? could he not have wedged? could we not have wedged? could you not have wedged? could they not have wedged?
V-ing perfect
could I not have been wedging? could you not have been wedging? could he not have been wedging? could we not have been wedging? could you not have been wedging? could they not have been wedging?