English verb conjugation
OUGHT TO SLACK

Regular verb: slack - slacked - slacked

Affirmation

Simple form	V-ing form
I ought to slack you ought to slack he ought to slack we ought to slack you ought to slack they ought to slack	I ought to be slacking you ought to be slacking he ought to be slacking we ought to be slacking you ought to be slacking they ought to be slacking
Perfect	V-ing perfect
I ought to have slacked you ought to have slacked he ought to have slacked we ought to have slacked you ought to have slacked they ought to have slacked	I ought to have been slacking you ought to have been slacking he ought to have been slacking we ought to have been slacking you ought to have been slacking they ought to have been slacking

Negation

Simple form	V-ing form
I oughtn't to slack you oughtn't to slack he oughtn't to slack we oughtn't to slack you oughtn't to slack they oughtn't to slack	I oughtn't to be slacking you oughtn't to be slacking he oughtn't to be slacking we oughtn't to be slacking you oughtn't to be slacking they oughtn't to be slacking
Perfect	V-ing perfect
I oughtn't to have slacked you oughtn't to have slacked he oughtn't to have slacked we oughtn't to have slacked you oughtn't to have slacked they oughtn't to have slacked	I oughtn't to have been slacking you oughtn't to have been slacking he oughtn't to have been slacking we oughtn't to have been slacking you oughtn't to have been slacking they oughtn't to have been slacking

Interrogative form

Simple form	V-ing form
ought to I slack? ought to you slack? ought to he slack? ought to we slack? ought to you slack? ought to they slack?	ought to I be slacking? ought to you be slacking? ought to he be slacking? ought to we be slacking? ought to you be slacking? ought to they be slacking?
Perfect	V-ing perfect
ought to I have slacked? ought to you have slacked? ought to he have slacked? ought to we have slacked? ought to you have slacked? ought to they have slacked?	ought to I have been slacking? ought to you have been slacking? ought to he have been slacking? ought to we have been slacking? ought to you have been slacking? ought to they have been slacking?

Interro-negative form

Simple form	V-ing form
oughtn't I to slack? oughtn't you to slack? oughtn't he to slack? oughtn't we to slack? oughtn't you to slack? oughtn't they to slack?	oughtn't I to be slacking? oughtn't you to be slacking? oughtn't he to be slacking? oughtn't we to be slacking? oughtn't you to be slacking? oughtn't they to be slacking?
Perfect	V-ing perfect
oughtn't I to have slacked? oughtn't you to have slacked? oughtn't he to have slacked? oughtn't we to have slacked? oughtn't you to have slacked? oughtn't they to have slacked?	oughtn't I to have been slacking? oughtn't you to have been slacking? oughtn't he to have been slacking? oughtn't we to have been slacking? oughtn't you to have been slacking? oughtn't they to have been slacking?