English verb conjugation
OUGHT TO PREACKNOWLEDGE

Regular verb: preacknowledge - preacknowledged - preacknowledged

Affirmation

Simple form	V-ing form
I ought to preacknowledge you ought to preacknowledge he ought to preacknowledge we ought to preacknowledge you ought to preacknowledge they ought to preacknowledge	I ought to be preacknowledging you ought to be preacknowledging he ought to be preacknowledging we ought to be preacknowledging you ought to be preacknowledging they ought to be preacknowledging
Perfect	V-ing perfect
I ought to have preacknowledged you ought to have preacknowledged he ought to have preacknowledged we ought to have preacknowledged you ought to have preacknowledged they ought to have preacknowledged	I ought to have been preacknowledging you ought to have been preacknowledging he ought to have been preacknowledging we ought to have been preacknowledging you ought to have been preacknowledging they ought to have been preacknowledging

Negation

Simple form	V-ing form
I oughtn't to preacknowledge you oughtn't to preacknowledge he oughtn't to preacknowledge we oughtn't to preacknowledge you oughtn't to preacknowledge they oughtn't to preacknowledge	I oughtn't to be preacknowledging you oughtn't to be preacknowledging he oughtn't to be preacknowledging we oughtn't to be preacknowledging you oughtn't to be preacknowledging they oughtn't to be preacknowledging
Perfect	V-ing perfect
I oughtn't to have preacknowledged you oughtn't to have preacknowledged he oughtn't to have preacknowledged we oughtn't to have preacknowledged you oughtn't to have preacknowledged they oughtn't to have preacknowledged	I oughtn't to have been preacknowledging you oughtn't to have been preacknowledging he oughtn't to have been preacknowledging we oughtn't to have been preacknowledging you oughtn't to have been preacknowledging they oughtn't to have been preacknowledging

Interrogative form

Simple form	V-ing form
ought to I preacknowledge? ought to you preacknowledge? ought to he preacknowledge? ought to we preacknowledge? ought to you preacknowledge? ought to they preacknowledge?	ought to I be preacknowledging? ought to you be preacknowledging? ought to he be preacknowledging? ought to we be preacknowledging? ought to you be preacknowledging? ought to they be preacknowledging?
Perfect	V-ing perfect
ought to I have preacknowledged? ought to you have preacknowledged? ought to he have preacknowledged? ought to we have preacknowledged? ought to you have preacknowledged? ought to they have preacknowledged?	ought to I have been preacknowledging? ought to you have been preacknowledging? ought to he have been preacknowledging? ought to we have been preacknowledging? ought to you have been preacknowledging? ought to they have been preacknowledging?

Interro-negative form

Simple form	V-ing form
oughtn't I to preacknowledge? oughtn't you to preacknowledge? oughtn't he to preacknowledge? oughtn't we to preacknowledge? oughtn't you to preacknowledge? oughtn't they to preacknowledge?	oughtn't I to be preacknowledging? oughtn't you to be preacknowledging? oughtn't he to be preacknowledging? oughtn't we to be preacknowledging? oughtn't you to be preacknowledging? oughtn't they to be preacknowledging?
Perfect	V-ing perfect
oughtn't I to have preacknowledged? oughtn't you to have preacknowledged? oughtn't he to have preacknowledged? oughtn't we to have preacknowledged? oughtn't you to have preacknowledged? oughtn't they to have preacknowledged?	oughtn't I to have been preacknowledging? oughtn't you to have been preacknowledging? oughtn't he to have been preacknowledging? oughtn't we to have been preacknowledging? oughtn't you to have been preacknowledging? oughtn't they to have been preacknowledging?