English verb conjugation
OUGHT TO ACKNOWLEDGE

Regular verb: acknowledge - acknowledged - acknowledged

Affirmation

Simple form	V-ing form
I ought to acknowledge you ought to acknowledge he ought to acknowledge we ought to acknowledge you ought to acknowledge they ought to acknowledge	I ought to be acknowledging you ought to be acknowledging he ought to be acknowledging we ought to be acknowledging you ought to be acknowledging they ought to be acknowledging
Perfect	V-ing perfect
I ought to have acknowledged you ought to have acknowledged he ought to have acknowledged we ought to have acknowledged you ought to have acknowledged they ought to have acknowledged	I ought to have been acknowledging you ought to have been acknowledging he ought to have been acknowledging we ought to have been acknowledging you ought to have been acknowledging they ought to have been acknowledging

Negation

Simple form	V-ing form
I oughtn't to acknowledge you oughtn't to acknowledge he oughtn't to acknowledge we oughtn't to acknowledge you oughtn't to acknowledge they oughtn't to acknowledge	I oughtn't to be acknowledging you oughtn't to be acknowledging he oughtn't to be acknowledging we oughtn't to be acknowledging you oughtn't to be acknowledging they oughtn't to be acknowledging
Perfect	V-ing perfect
I oughtn't to have acknowledged you oughtn't to have acknowledged he oughtn't to have acknowledged we oughtn't to have acknowledged you oughtn't to have acknowledged they oughtn't to have acknowledged	I oughtn't to have been acknowledging you oughtn't to have been acknowledging he oughtn't to have been acknowledging we oughtn't to have been acknowledging you oughtn't to have been acknowledging they oughtn't to have been acknowledging

Interrogative form

Simple form	V-ing form
ought to I acknowledge? ought to you acknowledge? ought to he acknowledge? ought to we acknowledge? ought to you acknowledge? ought to they acknowledge?	ought to I be acknowledging? ought to you be acknowledging? ought to he be acknowledging? ought to we be acknowledging? ought to you be acknowledging? ought to they be acknowledging?
Perfect	V-ing perfect
ought to I have acknowledged? ought to you have acknowledged? ought to he have acknowledged? ought to we have acknowledged? ought to you have acknowledged? ought to they have acknowledged?	ought to I have been acknowledging? ought to you have been acknowledging? ought to he have been acknowledging? ought to we have been acknowledging? ought to you have been acknowledging? ought to they have been acknowledging?

Interro-negative form

Simple form	V-ing form
oughtn't I to acknowledge? oughtn't you to acknowledge? oughtn't he to acknowledge? oughtn't we to acknowledge? oughtn't you to acknowledge? oughtn't they to acknowledge?	oughtn't I to be acknowledging? oughtn't you to be acknowledging? oughtn't he to be acknowledging? oughtn't we to be acknowledging? oughtn't you to be acknowledging? oughtn't they to be acknowledging?
Perfect	V-ing perfect
oughtn't I to have acknowledged? oughtn't you to have acknowledged? oughtn't he to have acknowledged? oughtn't we to have acknowledged? oughtn't you to have acknowledged? oughtn't they to have acknowledged?	oughtn't I to have been acknowledging? oughtn't you to have been acknowledging? oughtn't he to have been acknowledging? oughtn't we to have been acknowledging? oughtn't you to have been acknowledging? oughtn't they to have been acknowledging?