ought to preface
Verbe régulier : preface - prefaced- prefaced
Traduction française : préfacer - faire précéder 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to preface
you ought to preface
she ought to preface
we ought to preface
you ought to preface
they ought to preface 	I ought to be prefacing
you ought to be prefacing
she ought to be prefacing
we ought to be prefacing
you ought to be prefacing
they ought to be prefacing	I ought to have prefaced
you ought to have prefaced
she ought to have prefaced
we ought to have prefaced
you ought to have prefaced
they ought to have prefaced	I ought to have been prefacing
you ought to have been prefacing
she ought to have been prefacing
we ought to have been prefacing
you ought to have been prefacing
they ought to have been prefacing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to preface
you oughtn't to preface
she oughtn't to preface
we oughtn't to preface
you oughtn't to preface
they oughtn't to preface 	I oughtn't to be prefacing
you oughtn't to be prefacing
she oughtn't to be prefacing
we oughtn't to be prefacing
you oughtn't to be prefacing
they oughtn't to be prefacing	I oughtn't to have prefaced
you oughtn't to have prefaced
she oughtn't to have prefaced
we oughtn't to have prefaced
you oughtn't to have prefaced
they oughtn't to have prefaced	I oughtn't to have been prefacing
you oughtn't to have been prefacing
she oughtn't to have been prefacing
we oughtn't to have been prefacing
you oughtn't to have been prefacing
they oughtn't to have been prefacing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I preface?
ought to you preface?
ought to she preface?
ought to we preface?
ought to you preface?
ought to they preface? 	ought to I be prefacing?
ought to you be prefacing?
ought to she be prefacing?
ought to we be prefacing?
ought to you be prefacing?
ought to they be prefacing? 	ought to I have prefaced?
ought to you have prefaced?
ought to she have prefaced?
ought to we have prefaced?
ought to you have prefaced?
ought to they have prefaced? 	ought to I have been prefacing?
ought to you have been prefacing?
ought to she have been prefacing?
ought to we have been prefacing?
ought to you have been prefacing?
ought to they have been prefacing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to preface?
oughtn't you to preface?
oughtn't she to preface?
oughtn't we to preface?
oughtn't you to preface?
oughtn't they to preface? 	oughtn't I to be prefacing?
oughtn't you to be prefacing?
oughtn't she to be prefacing?
oughtn't we to be prefacing?
oughtn't you to be prefacing?
oughtn't they to be prefacing? 	oughtn't I to have prefaced?
oughtn't you to have prefaced?
oughtn't she to have prefaced?
oughtn't we to have prefaced?
oughtn't you to have prefaced?
oughtn't they to have prefaced? 	oughtn't I to have been prefacing?
oughtn't you to have been prefacing?
oughtn't she to have been prefacing?
oughtn't we to have been prefacing?
oughtn't you to have been prefacing?
oughtn't they to have been prefacing?