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
he can undergird
we can undergird
you can undergird
they can undergird 	I can be undergirding
you can be undergirding
he 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
he 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
he 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 cannot undergird
you cannot undergird
he cannot undergird
we cannot undergird
you cannot undergird
they cannot undergird 	I cannot be undergirding
you cannot be undergirding
he cannot be undergirding
we cannot be undergirding
you cannot be undergirding
they cannot be undergirding	I cannot have undergirt, undergirded
you cannot have undergirt, undergirded
he cannot have undergirt, undergirded
we cannot have undergirt, undergirded
you cannot have undergirt, undergirded
they cannot have undergirt, undergirded	I cannot have been undergirding
you cannot have been undergirding
he cannot have been undergirding
we cannot have been undergirding
you cannot have been undergirding
they cannot have been undergirding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I undergird?
can you undergird?
can he undergird?
can we undergird?
can you undergird?
can they undergird? 	can I be undergirding?
can you be undergirding?
can he 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 he 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 he 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 I not undergird?
can you not undergird?
can he not undergird?
can we not undergird?
can you not undergird?
can they not undergird? 	can I not be undergirding?
can you not be undergirding?
can he not be undergirding?
can we not be undergirding?
can you not be undergirding?
can they not be undergirding? 	can I not have undergirt, undergirded?
can you not have undergirt, undergirded?
can he not have undergirt, undergirded?
can we not have undergirt, undergirded?
can you not have undergirt, undergirded?
can they not have undergirt, undergirded? 	can I not have been undergirding?
can you not have been undergirding?
can he not have been undergirding?
can we not have been undergirding?
can you not have been undergirding?
can they not have been undergirding?