ought to undergo
Verbe irrégulier : undergo - underwent- undergone
Traduction française : subir - éprouver 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to undergo
you ought to undergo
she ought to undergo
we ought to undergo
you ought to undergo
they ought to undergo 	I ought to be undergoing
you ought to be undergoing
she ought to be undergoing
we ought to be undergoing
you ought to be undergoing
they ought to be undergoing	I ought to have undergone
you ought to have undergone
she ought to have undergone
we ought to have undergone
you ought to have undergone
they ought to have undergone	I ought to have been undergoing
you ought to have been undergoing
she ought to have been undergoing
we ought to have been undergoing
you ought to have been undergoing
they ought to have been undergoing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to undergo
you oughtn't to undergo
she oughtn't to undergo
we oughtn't to undergo
you oughtn't to undergo
they oughtn't to undergo 	I oughtn't to be undergoing
you oughtn't to be undergoing
she oughtn't to be undergoing
we oughtn't to be undergoing
you oughtn't to be undergoing
they oughtn't to be undergoing	I oughtn't to have undergone
you oughtn't to have undergone
she oughtn't to have undergone
we oughtn't to have undergone
you oughtn't to have undergone
they oughtn't to have undergone	I oughtn't to have been undergoing
you oughtn't to have been undergoing
she oughtn't to have been undergoing
we oughtn't to have been undergoing
you oughtn't to have been undergoing
they oughtn't to have been undergoing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I undergo?
ought to you undergo?
ought to she undergo?
ought to we undergo?
ought to you undergo?
ought to they undergo? 	ought to I be undergoing?
ought to you be undergoing?
ought to she be undergoing?
ought to we be undergoing?
ought to you be undergoing?
ought to they be undergoing? 	ought to I have undergone?
ought to you have undergone?
ought to she have undergone?
ought to we have undergone?
ought to you have undergone?
ought to they have undergone? 	ought to I have been undergoing?
ought to you have been undergoing?
ought to she have been undergoing?
ought to we have been undergoing?
ought to you have been undergoing?
ought to they have been undergoing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to undergo?
oughtn't you to undergo?
oughtn't she to undergo?
oughtn't we to undergo?
oughtn't you to undergo?
oughtn't they to undergo? 	oughtn't I to be undergoing?
oughtn't you to be undergoing?
oughtn't she to be undergoing?
oughtn't we to be undergoing?
oughtn't you to be undergoing?
oughtn't they to be undergoing? 	oughtn't I to have undergone?
oughtn't you to have undergone?
oughtn't she to have undergone?
oughtn't we to have undergone?
oughtn't you to have undergone?
oughtn't they to have undergone? 	oughtn't I to have been undergoing?
oughtn't you to have been undergoing?
oughtn't she to have been undergoing?
oughtn't we to have been undergoing?
oughtn't you to have been undergoing?
oughtn't they to have been undergoing?