could surcharge
Regular verb: surcharge - surcharged- surcharged

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

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

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

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