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