ought to perdure
Verbe régulier : perdure - perdured- perdured

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to perdure
you ought to perdure
he ought to perdure
we ought to perdure
you ought to perdure
they ought to perdure 	I ought to be perduring
you ought to be perduring
he ought to be perduring
we ought to be perduring
you ought to be perduring
they ought to be perduring	I ought to have perdured
you ought to have perdured
he ought to have perdured
we ought to have perdured
you ought to have perdured
they ought to have perdured	I ought to have been perduring
you ought to have been perduring
he ought to have been perduring
we ought to have been perduring
you ought to have been perduring
they ought to have been perduring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to perdure
you oughtn't to perdure
he oughtn't to perdure
we oughtn't to perdure
you oughtn't to perdure
they oughtn't to perdure 	I oughtn't to be perduring
you oughtn't to be perduring
he oughtn't to be perduring
we oughtn't to be perduring
you oughtn't to be perduring
they oughtn't to be perduring	I oughtn't to have perdured
you oughtn't to have perdured
he oughtn't to have perdured
we oughtn't to have perdured
you oughtn't to have perdured
they oughtn't to have perdured	I oughtn't to have been perduring
you oughtn't to have been perduring
he oughtn't to have been perduring
we oughtn't to have been perduring
you oughtn't to have been perduring
they oughtn't to have been perduring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I perdure?
ought to you perdure?
ought to he perdure?
ought to we perdure?
ought to you perdure?
ought to they perdure? 	ought to I be perduring?
ought to you be perduring?
ought to he be perduring?
ought to we be perduring?
ought to you be perduring?
ought to they be perduring? 	ought to I have perdured?
ought to you have perdured?
ought to he have perdured?
ought to we have perdured?
ought to you have perdured?
ought to they have perdured? 	ought to I have been perduring?
ought to you have been perduring?
ought to he have been perduring?
ought to we have been perduring?
ought to you have been perduring?
ought to they have been perduring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to perdure?
oughtn't you to perdure?
oughtn't he to perdure?
oughtn't we to perdure?
oughtn't you to perdure?
oughtn't they to perdure? 	oughtn't I to be perduring?
oughtn't you to be perduring?
oughtn't he to be perduring?
oughtn't we to be perduring?
oughtn't you to be perduring?
oughtn't they to be perduring? 	oughtn't I to have perdured?
oughtn't you to have perdured?
oughtn't he to have perdured?
oughtn't we to have perdured?
oughtn't you to have perdured?
oughtn't they to have perdured? 	oughtn't I to have been perduring?
oughtn't you to have been perduring?
oughtn't he to have been perduring?
oughtn't we to have been perduring?
oughtn't you to have been perduring?
oughtn't they to have been perduring?