English verb conjugation
OUGHT TO UNHARNESS

Regular verb: unharness - unharnessed - unharnessed

Affirmation

Simple form	V-ing form
I ought to unharness you ought to unharness he ought to unharness we ought to unharness you ought to unharness they ought to unharness	I ought to be unharnessing you ought to be unharnessing he ought to be unharnessing we ought to be unharnessing you ought to be unharnessing they ought to be unharnessing
Perfect	V-ing perfect
I ought to have unharnessed you ought to have unharnessed he ought to have unharnessed we ought to have unharnessed you ought to have unharnessed they ought to have unharnessed	I ought to have been unharnessing you ought to have been unharnessing he ought to have been unharnessing we ought to have been unharnessing you ought to have been unharnessing they ought to have been unharnessing

Negation

Simple form	V-ing form
I oughtn't to unharness you oughtn't to unharness he oughtn't to unharness we oughtn't to unharness you oughtn't to unharness they oughtn't to unharness	I oughtn't to be unharnessing you oughtn't to be unharnessing he oughtn't to be unharnessing we oughtn't to be unharnessing you oughtn't to be unharnessing they oughtn't to be unharnessing
Perfect	V-ing perfect
I oughtn't to have unharnessed you oughtn't to have unharnessed he oughtn't to have unharnessed we oughtn't to have unharnessed you oughtn't to have unharnessed they oughtn't to have unharnessed	I oughtn't to have been unharnessing you oughtn't to have been unharnessing he oughtn't to have been unharnessing we oughtn't to have been unharnessing you oughtn't to have been unharnessing they oughtn't to have been unharnessing

Interrogative form

Simple form	V-ing form
ought to I unharness? ought to you unharness? ought to he unharness? ought to we unharness? ought to you unharness? ought to they unharness?	ought to I be unharnessing? ought to you be unharnessing? ought to he be unharnessing? ought to we be unharnessing? ought to you be unharnessing? ought to they be unharnessing?
Perfect	V-ing perfect
ought to I have unharnessed? ought to you have unharnessed? ought to he have unharnessed? ought to we have unharnessed? ought to you have unharnessed? ought to they have unharnessed?	ought to I have been unharnessing? ought to you have been unharnessing? ought to he have been unharnessing? ought to we have been unharnessing? ought to you have been unharnessing? ought to they have been unharnessing?

Interro-negative form

Simple form	V-ing form
oughtn't I to unharness? oughtn't you to unharness? oughtn't he to unharness? oughtn't we to unharness? oughtn't you to unharness? oughtn't they to unharness?	oughtn't I to be unharnessing? oughtn't you to be unharnessing? oughtn't he to be unharnessing? oughtn't we to be unharnessing? oughtn't you to be unharnessing? oughtn't they to be unharnessing?
Perfect	V-ing perfect
oughtn't I to have unharnessed? oughtn't you to have unharnessed? oughtn't he to have unharnessed? oughtn't we to have unharnessed? oughtn't you to have unharnessed? oughtn't they to have unharnessed?	oughtn't I to have been unharnessing? oughtn't you to have been unharnessing? oughtn't he to have been unharnessing? oughtn't we to have been unharnessing? oughtn't you to have been unharnessing? oughtn't they to have been unharnessing?