must discharge
Regular verb: discharge - discharged- discharged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must discharge
you must discharge
she must discharge
we must discharge
you must discharge
they must discharge 	I must be discharging
you must be discharging
she must be discharging
we must be discharging
you must be discharging
they must be discharging	I must have discharged
you must have discharged
she must have discharged
we must have discharged
you must have discharged
they must have discharged	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 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't discharge
you mustn't discharge
she mustn't discharge
we mustn't discharge
you mustn't discharge
they mustn't discharge 	I mustn't be discharging
you mustn't be discharging
she mustn't be discharging
we mustn't be discharging
you mustn't be discharging
they mustn't be discharging	I mustn't have discharged
you mustn't have discharged
she mustn't have discharged
we mustn't have discharged
you mustn't have discharged
they mustn't have discharged	I mustn't have been discharging
you mustn't have been discharging
she mustn't have been discharging
we mustn't have been discharging
you mustn't have been discharging
they mustn't have been discharging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I discharge?
must you discharge?
must she discharge?
must we discharge?
must you discharge?
must they discharge? 	must I be discharging?
must you be discharging?
must she be discharging?
must we be discharging?
must you be discharging?
must they be discharging? 	must I have discharged?
must you have discharged?
must she have discharged?
must we have discharged?
must you have discharged?
must they have discharged? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I discharge?
mustn't you discharge?
mustn't she discharge?
mustn't we discharge?
mustn't you discharge?
mustn't they discharge? 	mustn't I be discharging?
mustn't you be discharging?
mustn't she be discharging?
mustn't we be discharging?
mustn't you be discharging?
mustn't they be discharging? 	mustn't I have discharged?
mustn't you have discharged?
mustn't she have discharged?
mustn't we have discharged?
mustn't you have discharged?
mustn't they have discharged? 	mustn't I have been discharging?
mustn't you have been discharging?
mustn't she have been discharging?
mustn't we have been discharging?
mustn't you have been discharging?
mustn't they have been discharging?