I ought to preface you ought to preface he ought to preface we ought to preface you ought to preface they ought to preface
V-ing form
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
Perfect
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
V-ing perfect
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
Negation
Simple form
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
V-ing form
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
Perfect
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
V-ing perfect
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
Interrogative form
Simple form
ought to I preface? ought to you preface? ought to he preface? ought to we preface? ought to you preface? ought to they preface?
V-ing form
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?
Perfect
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?
V-ing perfect
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?
Interro-negative form
Simple form
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?
V-ing form
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?
Perfect
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?
V-ing perfect
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?