English verb conjugation
COULD SURCHARGE

Regular verb: surcharge - surcharged - surcharged

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?