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