ought to preface
Verbo regular: preface - prefaced- prefaced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to preface
you ought to preface
he 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
he 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
he 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
he ought to have been prefacing
we ought to have been prefacing
you ought to have been prefacing
they ought to have been prefacing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to preface
you oughtn't to preface
he 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
he 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
he 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
he 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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I preface?
ought to you preface?
ought to he 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 he 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 he 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 he have been prefacing?
ought to we have been prefacing?
ought to you have been prefacing?
ought to they have been prefacing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to preface?
oughtn't you to preface?
oughtn't he 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 he 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 he 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 he 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?