ought to fail
Verbe régulier : fail - failed- failed
Traduction française : échouer - échouer à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to fail
you ought to fail
she ought to fail
we ought to fail
you ought to fail
they ought to fail 	I ought to be failing
you ought to be failing
she ought to be failing
we ought to be failing
you ought to be failing
they ought to be failing	I ought to have failed
you ought to have failed
she ought to have failed
we ought to have failed
you ought to have failed
they ought to have failed	I ought to have been failing
you ought to have been failing
she ought to have been failing
we ought to have been failing
you ought to have been failing
they ought to have been failing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to fail
you oughtn't to fail
she oughtn't to fail
we oughtn't to fail
you oughtn't to fail
they oughtn't to fail 	I oughtn't to be failing
you oughtn't to be failing
she oughtn't to be failing
we oughtn't to be failing
you oughtn't to be failing
they oughtn't to be failing	I oughtn't to have failed
you oughtn't to have failed
she oughtn't to have failed
we oughtn't to have failed
you oughtn't to have failed
they oughtn't to have failed	I oughtn't to have been failing
you oughtn't to have been failing
she oughtn't to have been failing
we oughtn't to have been failing
you oughtn't to have been failing
they oughtn't to have been failing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I fail?
ought to you fail?
ought to she fail?
ought to we fail?
ought to you fail?
ought to they fail? 	ought to I be failing?
ought to you be failing?
ought to she be failing?
ought to we be failing?
ought to you be failing?
ought to they be failing? 	ought to I have failed?
ought to you have failed?
ought to she have failed?
ought to we have failed?
ought to you have failed?
ought to they have failed? 	ought to I have been failing?
ought to you have been failing?
ought to she have been failing?
ought to we have been failing?
ought to you have been failing?
ought to they have been failing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to fail?
oughtn't you to fail?
oughtn't she to fail?
oughtn't we to fail?
oughtn't you to fail?
oughtn't they to fail? 	oughtn't I to be failing?
oughtn't you to be failing?
oughtn't she to be failing?
oughtn't we to be failing?
oughtn't you to be failing?
oughtn't they to be failing? 	oughtn't I to have failed?
oughtn't you to have failed?
oughtn't she to have failed?
oughtn't we to have failed?
oughtn't you to have failed?
oughtn't they to have failed? 	oughtn't I to have been failing?
oughtn't you to have been failing?
oughtn't she to have been failing?
oughtn't we to have been failing?
oughtn't you to have been failing?
oughtn't they to have been failing?