I ought to oblige you ought to oblige he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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?