English verb conjugation
OUGHT TO FORGET

Irregular verb: forget - forgot - forgotten

Affirmation

Simple form	V-ing form
I ought to forget you ought to forget he ought to forget we ought to forget you ought to forget they ought to forget	I ought to be forgetting you ought to be forgetting he ought to be forgetting we ought to be forgetting you ought to be forgetting they ought to be forgetting
Perfect	V-ing perfect
I ought to have forgotten you ought to have forgotten he ought to have forgotten we ought to have forgotten you ought to have forgotten they ought to have forgotten	I ought to have been forgetting you ought to have been forgetting he ought to have been forgetting we ought to have been forgetting you ought to have been forgetting they ought to have been forgetting

Negation

Simple form	V-ing form
I oughtn't to forget you oughtn't to forget he oughtn't to forget we oughtn't to forget you oughtn't to forget they oughtn't to forget	I oughtn't to be forgetting you oughtn't to be forgetting he oughtn't to be forgetting we oughtn't to be forgetting you oughtn't to be forgetting they oughtn't to be forgetting
Perfect	V-ing perfect
I oughtn't to have forgotten you oughtn't to have forgotten he oughtn't to have forgotten we oughtn't to have forgotten you oughtn't to have forgotten they oughtn't to have forgotten	I oughtn't to have been forgetting you oughtn't to have been forgetting he oughtn't to have been forgetting we oughtn't to have been forgetting you oughtn't to have been forgetting they oughtn't to have been forgetting

Interrogative form

Simple form	V-ing form
ought to I forget? ought to you forget? ought to he forget? ought to we forget? ought to you forget? ought to they forget?	ought to I be forgetting? ought to you be forgetting? ought to he be forgetting? ought to we be forgetting? ought to you be forgetting? ought to they be forgetting?
Perfect	V-ing perfect
ought to I have forgotten? ought to you have forgotten? ought to he have forgotten? ought to we have forgotten? ought to you have forgotten? ought to they have forgotten?	ought to I have been forgetting? ought to you have been forgetting? ought to he have been forgetting? ought to we have been forgetting? ought to you have been forgetting? ought to they have been forgetting?

Interro-negative form

Simple form	V-ing form
oughtn't I to forget? oughtn't you to forget? oughtn't he to forget? oughtn't we to forget? oughtn't you to forget? oughtn't they to forget?	oughtn't I to be forgetting? oughtn't you to be forgetting? oughtn't he to be forgetting? oughtn't we to be forgetting? oughtn't you to be forgetting? oughtn't they to be forgetting?
Perfect	V-ing perfect
oughtn't I to have forgotten? oughtn't you to have forgotten? oughtn't he to have forgotten? oughtn't we to have forgotten? oughtn't you to have forgotten? oughtn't they to have forgotten?	oughtn't I to have been forgetting? oughtn't you to have been forgetting? oughtn't he to have been forgetting? oughtn't we to have been forgetting? oughtn't you to have been forgetting? oughtn't they to have been forgetting?