must surcharge
Regular verb: surcharge - surcharged- surcharged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must surcharge
you must surcharge
he must surcharge
we must surcharge
you must surcharge
they must surcharge 	I must be surcharging
you must be surcharging
he must be surcharging
we must be surcharging
you must be surcharging
they must be surcharging	I must have surcharged
you must have surcharged
he 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
he 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 must not surcharge
you must not surcharge
he must not surcharge
we must not surcharge
you must not surcharge
they must not surcharge 	I must not be surcharging
you must not be surcharging
he must not be surcharging
we must not be surcharging
you must not be surcharging
they must not be surcharging	I must not have surcharged
you must not have surcharged
he must not have surcharged
we must not have surcharged
you must not have surcharged
they must not have surcharged	I must not have been surcharging
you must not have been surcharging
he must not have been surcharging
we must not have been surcharging
you must not have been surcharging
they must not have been surcharging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I surcharge?
must you surcharge?
must he surcharge?
must we surcharge?
must you surcharge?
must they surcharge? 	must I be surcharging?
must you be surcharging?
must he be surcharging?
must we be surcharging?
must you be surcharging?
must they be surcharging? 	must I have surcharged?
must you have surcharged?
must he 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 he 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 	
must I not surcharge?
must you not surcharge?
must he not surcharge?
must we not surcharge?
must you not surcharge?
must they not surcharge? 	must I not be surcharging?
must you not be surcharging?
must he not be surcharging?
must we not be surcharging?
must you not be surcharging?
must they not be surcharging? 	must I not have surcharged?
must you not have surcharged?
must he not have surcharged?
must we not have surcharged?
must you not have surcharged?
must they not have surcharged? 	must I not have been surcharging?
must you not have been surcharging?
must he not have been surcharging?
must we not have been surcharging?
must you not have been surcharging?
must they not have been surcharging?