English verb conjugation
SHOULD UNDERCHARGE

Regular verb: undercharge - undercharged - undercharged

Affirmation

Simple form	V-ing form
I'd undercharge you'd undercharge he'd undercharge we'd undercharge you'd undercharge they'd undercharge	I'd be undercharging you'd be undercharging he'd be undercharging we'd be undercharging you'd be undercharging they'd be undercharging
Perfect	V-ing perfect
I should've undercharged you should've undercharged he should've undercharged we should've undercharged you should've undercharged they should've undercharged	I should've been undercharging you should've been undercharging he should've been undercharging we should've been undercharging you should've been undercharging they should've been undercharging

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
shouldn't I undercharge? shouldn't you undercharge? shouldn't he undercharge? shouldn't we undercharge? shouldn't you undercharge? shouldn't they undercharge?	shouldn't I be undercharging? shouldn't you be undercharging? shouldn't he be undercharging? shouldn't we be undercharging? shouldn't you be undercharging? shouldn't they be undercharging?
Perfect	V-ing perfect
shouldn't I have undercharged? shouldn't you have undercharged? shouldn't he have undercharged? shouldn't we have undercharged? shouldn't you have undercharged? shouldn't they have undercharged?	shouldn't I have been undercharging? shouldn't you have been undercharging? shouldn't he have been undercharging? shouldn't we have been undercharging? shouldn't you have been undercharging? shouldn't they have been undercharging?