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

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

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

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

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