I ought to oblige you ought to oblige she ought to oblige we ought to oblige you ought to oblige they ought to oblige
V-ing form
I ought to be obliging you ought to be obliging she ought to be obliging we ought to be obliging you ought to be obliging they ought to be obliging
Perfect
I ought to have obliged you ought to have obliged she ought to have obliged we ought to have obliged you ought to have obliged they ought to have obliged
V-ing perfect
I ought to have been obliging you ought to have been obliging she ought to have been obliging we ought to have been obliging you ought to have been obliging they ought to have been obliging
Negation
Simple form
I oughtn't to oblige you oughtn't to oblige she oughtn't to oblige we oughtn't to oblige you oughtn't to oblige they oughtn't to oblige
V-ing form
I oughtn't to be obliging you oughtn't to be obliging she oughtn't to be obliging we oughtn't to be obliging you oughtn't to be obliging they oughtn't to be obliging
Perfect
I oughtn't to have obliged you oughtn't to have obliged she oughtn't to have obliged we oughtn't to have obliged you oughtn't to have obliged they oughtn't to have obliged
V-ing perfect
I oughtn't to have been obliging you oughtn't to have been obliging she oughtn't to have been obliging we oughtn't to have been obliging you oughtn't to have been obliging they oughtn't to have been obliging
Interrogative form
Simple form
ought to I oblige? ought to you oblige? ought to she oblige? ought to we oblige? ought to you oblige? ought to they oblige?
V-ing form
ought to I be obliging? ought to you be obliging? ought to she be obliging? ought to we be obliging? ought to you be obliging? ought to they be obliging?
Perfect
ought to I have obliged? ought to you have obliged? ought to she have obliged? ought to we have obliged? ought to you have obliged? ought to they have obliged?
V-ing perfect
ought to I have been obliging? ought to you have been obliging? ought to she have been obliging? ought to we have been obliging? ought to you have been obliging? ought to they have been obliging?
Interro-negative form
Simple form
oughtn't I to oblige? oughtn't you to oblige? oughtn't she to oblige? oughtn't we to oblige? oughtn't you to oblige? oughtn't they to oblige?
V-ing form
oughtn't I to be obliging? oughtn't you to be obliging? oughtn't she to be obliging? oughtn't we to be obliging? oughtn't you to be obliging? oughtn't they to be obliging?
Perfect
oughtn't I to have obliged? oughtn't you to have obliged? oughtn't she to have obliged? oughtn't we to have obliged? oughtn't you to have obliged? oughtn't they to have obliged?
V-ing perfect
oughtn't I to have been obliging? oughtn't you to have been obliging? oughtn't she to have been obliging? oughtn't we to have been obliging? oughtn't you to have been obliging? oughtn't they to have been obliging?