ought to derail
Verbe régulier : derail - derailed- derailed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to derail
you ought to derail
he ought to derail
we ought to derail
you ought to derail
they ought to derail 	I ought to be derailing
you ought to be derailing
he ought to be derailing
we ought to be derailing
you ought to be derailing
they ought to be derailing	I ought to have derailed
you ought to have derailed
he ought to have derailed
we ought to have derailed
you ought to have derailed
they ought to have derailed	I ought to have been derailing
you ought to have been derailing
he ought to have been derailing
we ought to have been derailing
you ought to have been derailing
they ought to have been derailing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to derail
you oughtn't to derail
he oughtn't to derail
we oughtn't to derail
you oughtn't to derail
they oughtn't to derail 	I oughtn't to be derailing
you oughtn't to be derailing
he oughtn't to be derailing
we oughtn't to be derailing
you oughtn't to be derailing
they oughtn't to be derailing	I oughtn't to have derailed
you oughtn't to have derailed
he oughtn't to have derailed
we oughtn't to have derailed
you oughtn't to have derailed
they oughtn't to have derailed	I oughtn't to have been derailing
you oughtn't to have been derailing
he oughtn't to have been derailing
we oughtn't to have been derailing
you oughtn't to have been derailing
they oughtn't to have been derailing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I derail?
ought to you derail?
ought to he derail?
ought to we derail?
ought to you derail?
ought to they derail? 	ought to I be derailing?
ought to you be derailing?
ought to he be derailing?
ought to we be derailing?
ought to you be derailing?
ought to they be derailing? 	ought to I have derailed?
ought to you have derailed?
ought to he have derailed?
ought to we have derailed?
ought to you have derailed?
ought to they have derailed? 	ought to I have been derailing?
ought to you have been derailing?
ought to he have been derailing?
ought to we have been derailing?
ought to you have been derailing?
ought to they have been derailing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to derail?
oughtn't you to derail?
oughtn't he to derail?
oughtn't we to derail?
oughtn't you to derail?
oughtn't they to derail? 	oughtn't I to be derailing?
oughtn't you to be derailing?
oughtn't he to be derailing?
oughtn't we to be derailing?
oughtn't you to be derailing?
oughtn't they to be derailing? 	oughtn't I to have derailed?
oughtn't you to have derailed?
oughtn't he to have derailed?
oughtn't we to have derailed?
oughtn't you to have derailed?
oughtn't they to have derailed? 	oughtn't I to have been derailing?
oughtn't you to have been derailing?
oughtn't he to have been derailing?
oughtn't we to have been derailing?
oughtn't you to have been derailing?
oughtn't they to have been derailing?