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 she 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 she 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 she 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 she 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 ought not to forget you ought not to forget she ought not to forget we ought not to forget you ought not to forget they ought not to forget	I ought not to forgetting you ought not to forgetting she ought not to forgetting we ought not to forgetting you ought not to forgetting they ought not to forgetting
Perfect	V-ing perfect
I ought not to have forgotten you ought not to have forgotten she ought not to have forgotten we ought not to have forgotten you ought not to have forgotten they ought not to have forgotten	I ought not to have been forgetting you ought not to have been forgetting she ought not to have been forgetting we ought not to have been forgetting you ought not to have been forgetting they ought not to have been forgetting

Interrogative form

Simple form	V-ing form
ought to I forget? ought to you forget? ought to she 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 she 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 she 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 she 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
ought I not to forget? ought you not to forget? ought she not to forget? ought we not to forget? ought you not to forget? ought they not to forget?	ought I not to be forgetting? ought you not to be forgetting? ought she not to be forgetting? ought we not to be forgetting? ought you not to be forgetting? ought they not to be forgetting?
Perfect	V-ing perfect
ought I not to have forgotten? ought you not to have forgotten? ought she not to have forgotten? ought we not to have forgotten? ought you not to have forgotten? ought they not to have forgotten?	ought I not to have been forgetting? ought you not to have been forgetting? ought she not to have been forgetting? ought we not to have been forgetting? ought you not to have been forgetting? ought they not to have been forgetting?