English verb conjugation
CAN UNDERCHARGE

Regular verb: undercharge - undercharged - undercharged

Affirmation

Simple form	V-ing form
I can undercharge you can undercharge he can undercharge we can undercharge you can undercharge they can undercharge	I can be undercharging you can be undercharging he can be undercharging we can be undercharging you can be undercharging they can be undercharging
Perfect	V-ing perfect
I can have undercharged you can have undercharged he can have undercharged we can have undercharged you can have undercharged they can have undercharged	I can have been undercharging you can have been undercharging he can have been undercharging we can have been undercharging you can have been undercharging they can have been undercharging

Negation

Simple form	V-ing form
I cannot undercharge you cannot undercharge he cannot undercharge we cannot undercharge you cannot undercharge they cannot undercharge	I cannot be undercharging you cannot be undercharging he cannot be undercharging we cannot be undercharging you cannot be undercharging they cannot be undercharging
Perfect	V-ing perfect
I cannot have undercharged you cannot have undercharged he cannot have undercharged we cannot have undercharged you cannot have undercharged they cannot have undercharged	I cannot have been undercharging you cannot have been undercharging he cannot have been undercharging we cannot have been undercharging you cannot have been undercharging they cannot have been undercharging

Interrogative form

Simple form	V-ing form
can I undercharge? can you undercharge? can he undercharge? can we undercharge? can you undercharge? can they undercharge?	can I be undercharging? can you be undercharging? can he be undercharging? can we be undercharging? can you be undercharging? can they be undercharging?
Perfect	V-ing perfect
can I have undercharged? can you have undercharged? can he have undercharged? can we have undercharged? can you have undercharged? can they have undercharged?	can I have been undercharging? can you have been undercharging? can he have been undercharging? can we have been undercharging? can you have been undercharging? can they have been undercharging?

Interro-negative form

Simple form	V-ing form
can I not undercharge? can you not undercharge? can he not undercharge? can we not undercharge? can you not undercharge? can they not undercharge?	can I not be undercharging? can you not be undercharging? can he not be undercharging? can we not be undercharging? can you not be undercharging? can they not be undercharging?
Perfect	V-ing perfect
can I not have undercharged? can you not have undercharged? can he not have undercharged? can we not have undercharged? can you not have undercharged? can they not have undercharged?	can I not have been undercharging? can you not have been undercharging? can he not have been undercharging? can we not have been undercharging? can you not have been undercharging? can they not have been undercharging?