ought to forget
Irregular verb: forget - forgot- forgotten

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