shall undercharge
Regular verb: undercharge - undercharged- undercharged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll undercharge
you'll undercharge
she'll undercharge
we'll undercharge
you'll undercharge
they'll undercharge 	I'll be undercharging
you'll be undercharging
she'll be undercharging
we'll be undercharging
you'll be undercharging
they'll be undercharging	I'll have undercharged
you'll have undercharged
she'll have undercharged
we'll have undercharged
you'll have undercharged
they'll have undercharged	I'll have been undercharging
you'll have been undercharging
she'll have been undercharging
we'll have been undercharging
you'll have been undercharging
they'll have been undercharging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't undercharge
you shan't undercharge
she shan't undercharge
we shan't undercharge
you shan't undercharge
they shan't undercharge 	I shan't be undercharging
you shan't be undercharging
she shan't be undercharging
we shan't be undercharging
you shan't be undercharging
they shan't be undercharging	I shan't have undercharged
you shan't have undercharged
she shan't have undercharged
we shan't have undercharged
you shan't have undercharged
they shan't have undercharged	I shan't have been undercharging
you shan't have been undercharging
she shan't have been undercharging
we shan't have been undercharging
you shan't have been undercharging
they shan't have been undercharging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I undercharge?
shall you undercharge?
shall she undercharge?
shall we undercharge?
shall you undercharge?
shall they undercharge? 	shall I be undercharging?
shall you be undercharging?
shall she be undercharging?
shall we be undercharging?
shall you be undercharging?
shall they be undercharging? 	shall I have undercharged?
shall you have undercharged?
shall she have undercharged?
shall we have undercharged?
shall you have undercharged?
shall they have undercharged? 	shall I have been undercharging?
shall you have been undercharging?
shall she have been undercharging?
shall we have been undercharging?
shall you have been undercharging?
shall they have been undercharging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I undercharge?
shan't you undercharge?
shan't she undercharge?
shan't we undercharge?
shan't you undercharge?
shan't they undercharge? 	shan't I be undercharging?
shan't you be undercharging?
shan't she be undercharging?
shan't we be undercharging?
shan't you be undercharging?
shan't they be undercharging? 	shan't I have undercharged?
shan't you have undercharged?
shan't she have undercharged?
shan't we have undercharged?
shan't you have undercharged?
shan't they have undercharged? 	shan't I have been undercharging?
shan't you have been undercharging?
shan't she have been undercharging?
shan't we have been undercharging?
shan't you have been undercharging?
shan't they have been undercharging?