shall undergird
Verbe irrégulier : undergird - undergirt, undergirded- undergirt, undergirded

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll undergird
you'll undergird
she'll undergird
we'll undergird
you'll undergird
they'll undergird 	I'll be undergirding
you'll be undergirding
she'll be undergirding
we'll be undergirding
you'll be undergirding
they'll be undergirding	I'll have undergirt, undergirded
you'll have undergirt, undergirded
she'll have undergirt, undergirded
we'll have undergirt, undergirded
you'll have undergirt, undergirded
they'll have undergirt, undergirded	I'll have been undergirding
you'll have been undergirding
she'll have been undergirding
we'll have been undergirding
you'll have been undergirding
they'll have been undergirding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shan't undergird
you shan't undergird
she shan't undergird
we shan't undergird
you shan't undergird
they shan't undergird 	I shan't be undergirding
you shan't be undergirding
she shan't be undergirding
we shan't be undergirding
you shan't be undergirding
they shan't be undergirding	I shan't have undergirt, undergirded
you shan't have undergirt, undergirded
she shan't have undergirt, undergirded
we shan't have undergirt, undergirded
you shan't have undergirt, undergirded
they shan't have undergirt, undergirded	I shan't have been undergirding
you shan't have been undergirding
she shan't have been undergirding
we shan't have been undergirding
you shan't have been undergirding
they shan't have been undergirding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I undergird?
shall you undergird?
shall she undergird?
shall we undergird?
shall you undergird?
shall they undergird? 	shall I be undergirding?
shall you be undergirding?
shall she be undergirding?
shall we be undergirding?
shall you be undergirding?
shall they be undergirding? 	shall I have undergirt, undergirded?
shall you have undergirt, undergirded?
shall she have undergirt, undergirded?
shall we have undergirt, undergirded?
shall you have undergirt, undergirded?
shall they have undergirt, undergirded? 	shall I have been undergirding?
shall you have been undergirding?
shall she have been undergirding?
shall we have been undergirding?
shall you have been undergirding?
shall they have been undergirding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shan't I undergird?
shan't you undergird?
shan't she undergird?
shan't we undergird?
shan't you undergird?
shan't they undergird? 	shan't I be undergirding?
shan't you be undergirding?
shan't she be undergirding?
shan't we be undergirding?
shan't you be undergirding?
shan't they be undergirding? 	shan't I have undergirt, undergirded?
shan't you have undergirt, undergirded?
shan't she have undergirt, undergirded?
shan't we have undergirt, undergirded?
shan't you have undergirt, undergirded?
shan't they have undergirt, undergirded? 	shan't I have been undergirding?
shan't you have been undergirding?
shan't she have been undergirding?
shan't we have been undergirding?
shan't you have been undergirding?
shan't they have been undergirding?