I could discharge you could discharge he could discharge we could discharge you could discharge they could discharge
V-ing form
I could be discharging you could be discharging he could be discharging we could be discharging you could be discharging they could be discharging
Perfect
I could have discharged you could have discharged he could have discharged we could have discharged you could have discharged they could have discharged
V-ing perfect
I could have been discharging you could have been discharging he could have been discharging we could have been discharging you could have been discharging they could have been discharging
Negation
Simple form
I could not discharge you could not discharge he could not discharge we could not discharge you could not discharge they could not discharge
V-ing form
I could not be discharging you could not be discharging he could not be discharging we could not be discharging you could not be discharging they could not be discharging
Perfect
I could not have discharged you could not have discharged he could not have discharged we could not have discharged you could not have discharged they could not have discharged
V-ing perfect
I could not have been discharging you could not have been discharging he could not have been discharging we could not have been discharging you could not have been discharging they could not have been discharging
Interrogative form
Simple form
could I discharge? could you discharge? could he discharge? could we discharge? could you discharge? could they discharge?
V-ing form
could I be discharging? could you be discharging? could he be discharging? could we be discharging? could you be discharging? could they be discharging?
Perfect
could I have discharged? could you have discharged? could he have discharged? could we have discharged? could you have discharged? could they have discharged?
V-ing perfect
could I have been discharging? could you have been discharging? could he have been discharging? could we have been discharging? could you have been discharging? could they have been discharging?
Interro-negative form
Simple form
could I not discharge? could you not discharge? could he not discharge? could we not discharge? could you not discharge? could they not discharge?
V-ing form
could I not be discharging? could you not be discharging? could he not be discharging? could we not be discharging? could you not be discharging? could they not be discharging?
Perfect
could I not have discharged? could you not have discharged? could he not have discharged? could we not have discharged? could you not have discharged? could they not have discharged?
V-ing perfect
could I not have been discharging? could you not have been discharging? could he not have been discharging? could we not have been discharging? could you not have been discharging? could they not have been discharging?