ought to unfasten
Verbe régulier : unfasten - unfastened- unfastened
Traduction française : défaire - ouvrir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to unfasten
you ought to unfasten
he ought to unfasten
we ought to unfasten
you ought to unfasten
they ought to unfasten 	I ought to be unfastening
you ought to be unfastening
he ought to be unfastening
we ought to be unfastening
you ought to be unfastening
they ought to be unfastening	I ought to have unfastened
you ought to have unfastened
he ought to have unfastened
we ought to have unfastened
you ought to have unfastened
they ought to have unfastened	I ought to have been unfastening
you ought to have been unfastening
he ought to have been unfastening
we ought to have been unfastening
you ought to have been unfastening
they ought to have been unfastening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to unfasten
you oughtn't to unfasten
he oughtn't to unfasten
we oughtn't to unfasten
you oughtn't to unfasten
they oughtn't to unfasten 	I oughtn't to be unfastening
you oughtn't to be unfastening
he oughtn't to be unfastening
we oughtn't to be unfastening
you oughtn't to be unfastening
they oughtn't to be unfastening	I oughtn't to have unfastened
you oughtn't to have unfastened
he oughtn't to have unfastened
we oughtn't to have unfastened
you oughtn't to have unfastened
they oughtn't to have unfastened	I oughtn't to have been unfastening
you oughtn't to have been unfastening
he oughtn't to have been unfastening
we oughtn't to have been unfastening
you oughtn't to have been unfastening
they oughtn't to have been unfastening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I unfasten?
ought to you unfasten?
ought to he unfasten?
ought to we unfasten?
ought to you unfasten?
ought to they unfasten? 	ought to I be unfastening?
ought to you be unfastening?
ought to he be unfastening?
ought to we be unfastening?
ought to you be unfastening?
ought to they be unfastening? 	ought to I have unfastened?
ought to you have unfastened?
ought to he have unfastened?
ought to we have unfastened?
ought to you have unfastened?
ought to they have unfastened? 	ought to I have been unfastening?
ought to you have been unfastening?
ought to he have been unfastening?
ought to we have been unfastening?
ought to you have been unfastening?
ought to they have been unfastening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to unfasten?
oughtn't you to unfasten?
oughtn't he to unfasten?
oughtn't we to unfasten?
oughtn't you to unfasten?
oughtn't they to unfasten? 	oughtn't I to be unfastening?
oughtn't you to be unfastening?
oughtn't he to be unfastening?
oughtn't we to be unfastening?
oughtn't you to be unfastening?
oughtn't they to be unfastening? 	oughtn't I to have unfastened?
oughtn't you to have unfastened?
oughtn't he to have unfastened?
oughtn't we to have unfastened?
oughtn't you to have unfastened?
oughtn't they to have unfastened? 	oughtn't I to have been unfastening?
oughtn't you to have been unfastening?
oughtn't he to have been unfastening?
oughtn't we to have been unfastening?
oughtn't you to have been unfastening?
oughtn't they to have been unfastening?