must discharge
Verbo regular: discharge - discharged- discharged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must discharge
you must discharge
he must discharge
we must discharge
you must discharge
they must discharge 	I must be discharging
you must be discharging
he must be discharging
we must be discharging
you must be discharging
they must be discharging	I must have discharged
you must have discharged
he 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
he must have been discharging
we must have been discharging
you must have been discharging
they must have been discharging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't discharge
you mustn't discharge
he 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
he 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
he 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
he mustn't have been discharging
we mustn't have been discharging
you mustn't have been discharging
they mustn't have been discharging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I discharge?
must you discharge?
must he discharge?
must we discharge?
must you discharge?
must they discharge? 	must I be discharging?
must you be discharging?
must he be discharging?
must we be discharging?
must you be discharging?
must they be discharging? 	must I have discharged?
must you have discharged?
must he 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 he have been discharging?
must we have been discharging?
must you have been discharging?
must they have been discharging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I discharge?
mustn't you discharge?
mustn't he 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 he 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 he 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 he have been discharging?
mustn't we have been discharging?
mustn't you have been discharging?
mustn't they have been discharging?