English verb conjugation
OUGHT TO DOFF

Regular verb: doff - doffed - doffed

Affirmation

Simple form	V-ing form
I ought to doff you ought to doff he ought to doff we ought to doff you ought to doff they ought to doff	I ought to be doffing you ought to be doffing he ought to be doffing we ought to be doffing you ought to be doffing they ought to be doffing
Perfect	V-ing perfect
I ought to have doffed you ought to have doffed he ought to have doffed we ought to have doffed you ought to have doffed they ought to have doffed	I ought to have been doffing you ought to have been doffing he ought to have been doffing we ought to have been doffing you ought to have been doffing they ought to have been doffing

Negation

Simple form	V-ing form
I oughtn't to doff you oughtn't to doff he oughtn't to doff we oughtn't to doff you oughtn't to doff they oughtn't to doff	I oughtn't to be doffing you oughtn't to be doffing he oughtn't to be doffing we oughtn't to be doffing you oughtn't to be doffing they oughtn't to be doffing
Perfect	V-ing perfect
I oughtn't to have doffed you oughtn't to have doffed he oughtn't to have doffed we oughtn't to have doffed you oughtn't to have doffed they oughtn't to have doffed	I oughtn't to have been doffing you oughtn't to have been doffing he oughtn't to have been doffing we oughtn't to have been doffing you oughtn't to have been doffing they oughtn't to have been doffing

Interrogative form

Simple form	V-ing form
ought to I doff? ought to you doff? ought to he doff? ought to we doff? ought to you doff? ought to they doff?	ought to I be doffing? ought to you be doffing? ought to he be doffing? ought to we be doffing? ought to you be doffing? ought to they be doffing?
Perfect	V-ing perfect
ought to I have doffed? ought to you have doffed? ought to he have doffed? ought to we have doffed? ought to you have doffed? ought to they have doffed?	ought to I have been doffing? ought to you have been doffing? ought to he have been doffing? ought to we have been doffing? ought to you have been doffing? ought to they have been doffing?

Interro-negative form

Simple form	V-ing form
oughtn't I to doff? oughtn't you to doff? oughtn't he to doff? oughtn't we to doff? oughtn't you to doff? oughtn't they to doff?	oughtn't I to be doffing? oughtn't you to be doffing? oughtn't he to be doffing? oughtn't we to be doffing? oughtn't you to be doffing? oughtn't they to be doffing?
Perfect	V-ing perfect
oughtn't I to have doffed? oughtn't you to have doffed? oughtn't he to have doffed? oughtn't we to have doffed? oughtn't you to have doffed? oughtn't they to have doffed?	oughtn't I to have been doffing? oughtn't you to have been doffing? oughtn't he to have been doffing? oughtn't we to have been doffing? oughtn't you to have been doffing? oughtn't they to have been doffing?