English verb conjugation
OUGHT TO BLACK

Regular verb: black - blacked - blacked

Affirmation

Simple form	V-ing form
I ought to black you ought to black he ought to black we ought to black you ought to black they ought to black	I ought to be blacking you ought to be blacking he ought to be blacking we ought to be blacking you ought to be blacking they ought to be blacking
Perfect	V-ing perfect
I ought to have blacked you ought to have blacked he ought to have blacked we ought to have blacked you ought to have blacked they ought to have blacked	I ought to have been blacking you ought to have been blacking he ought to have been blacking we ought to have been blacking you ought to have been blacking they ought to have been blacking

Negation

Simple form	V-ing form
I oughtn't to black you oughtn't to black he oughtn't to black we oughtn't to black you oughtn't to black they oughtn't to black	I oughtn't to be blacking you oughtn't to be blacking he oughtn't to be blacking we oughtn't to be blacking you oughtn't to be blacking they oughtn't to be blacking
Perfect	V-ing perfect
I oughtn't to have blacked you oughtn't to have blacked he oughtn't to have blacked we oughtn't to have blacked you oughtn't to have blacked they oughtn't to have blacked	I oughtn't to have been blacking you oughtn't to have been blacking he oughtn't to have been blacking we oughtn't to have been blacking you oughtn't to have been blacking they oughtn't to have been blacking

Interrogative form

Simple form	V-ing form
ought to I black? ought to you black? ought to he black? ought to we black? ought to you black? ought to they black?	ought to I be blacking? ought to you be blacking? ought to he be blacking? ought to we be blacking? ought to you be blacking? ought to they be blacking?
Perfect	V-ing perfect
ought to I have blacked? ought to you have blacked? ought to he have blacked? ought to we have blacked? ought to you have blacked? ought to they have blacked?	ought to I have been blacking? ought to you have been blacking? ought to he have been blacking? ought to we have been blacking? ought to you have been blacking? ought to they have been blacking?

Interro-negative form

Simple form	V-ing form
oughtn't I to black? oughtn't you to black? oughtn't he to black? oughtn't we to black? oughtn't you to black? oughtn't they to black?	oughtn't I to be blacking? oughtn't you to be blacking? oughtn't he to be blacking? oughtn't we to be blacking? oughtn't you to be blacking? oughtn't they to be blacking?
Perfect	V-ing perfect
oughtn't I to have blacked? oughtn't you to have blacked? oughtn't he to have blacked? oughtn't we to have blacked? oughtn't you to have blacked? oughtn't they to have blacked?	oughtn't I to have been blacking? oughtn't you to have been blacking? oughtn't he to have been blacking? oughtn't we to have been blacking? oughtn't you to have been blacking? oughtn't they to have been blacking?