must surcharge
Regular verb: surcharge - surcharged- surcharged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must surcharge
you must surcharge
she must surcharge
we must surcharge
you must surcharge
they must surcharge 	I must be surcharging
you must be surcharging
she must be surcharging
we must be surcharging
you must be surcharging
they must be surcharging	I must have surcharged
you must have surcharged
she must have surcharged
we must have surcharged
you must have surcharged
they must have surcharged	I must have been surcharging
you must have been surcharging
she must have been surcharging
we must have been surcharging
you must have been surcharging
they must have been surcharging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't surcharge
you mustn't surcharge
she mustn't surcharge
we mustn't surcharge
you mustn't surcharge
they mustn't surcharge 	I mustn't be surcharging
you mustn't be surcharging
she mustn't be surcharging
we mustn't be surcharging
you mustn't be surcharging
they mustn't be surcharging	I mustn't have surcharged
you mustn't have surcharged
she mustn't have surcharged
we mustn't have surcharged
you mustn't have surcharged
they mustn't have surcharged	I mustn't have been surcharging
you mustn't have been surcharging
she mustn't have been surcharging
we mustn't have been surcharging
you mustn't have been surcharging
they mustn't have been surcharging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I surcharge?
must you surcharge?
must she surcharge?
must we surcharge?
must you surcharge?
must they surcharge? 	must I be surcharging?
must you be surcharging?
must she be surcharging?
must we be surcharging?
must you be surcharging?
must they be surcharging? 	must I have surcharged?
must you have surcharged?
must she have surcharged?
must we have surcharged?
must you have surcharged?
must they have surcharged? 	must I have been surcharging?
must you have been surcharging?
must she have been surcharging?
must we have been surcharging?
must you have been surcharging?
must they have been surcharging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I surcharge?
mustn't you surcharge?
mustn't she surcharge?
mustn't we surcharge?
mustn't you surcharge?
mustn't they surcharge? 	mustn't I be surcharging?
mustn't you be surcharging?
mustn't she be surcharging?
mustn't we be surcharging?
mustn't you be surcharging?
mustn't they be surcharging? 	mustn't I have surcharged?
mustn't you have surcharged?
mustn't she have surcharged?
mustn't we have surcharged?
mustn't you have surcharged?
mustn't they have surcharged? 	mustn't I have been surcharging?
mustn't you have been surcharging?
mustn't she have been surcharging?
mustn't we have been surcharging?
mustn't you have been surcharging?
mustn't they have been surcharging?