I ought to black you ought to black she ought to black we ought to black you ought to black they ought to black
V-ing form
I ought to be blacking you ought to be blacking she ought to be blacking we ought to be blacking you ought to be blacking they ought to be blacking
Perfect
I ought to have blacked you ought to have blacked she ought to have blacked we ought to have blacked you ought to have blacked they ought to have blacked
V-ing perfect
I ought to have been blacking you ought to have been blacking she 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
I ought not to black you ought not to black she ought not to black we ought not to black you ought not to black they ought not to black
V-ing form
I ought not to blacking you ought not to blacking she ought not to blacking we ought not to blacking you ought not to blacking they ought not to blacking
Perfect
I ought not to have blacked you ought not to have blacked she ought not to have blacked we ought not to have blacked you ought not to have blacked they ought not to have blacked
V-ing perfect
I ought not to have been blacking you ought not to have been blacking she ought not to have been blacking we ought not to have been blacking you ought not to have been blacking they ought not to have been blacking
Interrogative form
Simple form
ought to I black? ought to you black? ought to she black? ought to we black? ought to you black? ought to they black?
V-ing form
ought to I be blacking? ought to you be blacking? ought to she be blacking? ought to we be blacking? ought to you be blacking? ought to they be blacking?
Perfect
ought to I have blacked? ought to you have blacked? ought to she have blacked? ought to we have blacked? ought to you have blacked? ought to they have blacked?
V-ing perfect
ought to I have been blacking? ought to you have been blacking? ought to she 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
ought I not to black? ought you not to black? ought she not to black? ought we not to black? ought you not to black? ought they not to black?
V-ing form
ought I not to be blacking? ought you not to be blacking? ought she not to be blacking? ought we not to be blacking? ought you not to be blacking? ought they not to be blacking?
Perfect
ought I not to have blacked? ought you not to have blacked? ought she not to have blacked? ought we not to have blacked? ought you not to have blacked? ought they not to have blacked?
V-ing perfect
ought I not to have been blacking? ought you not to have been blacking? ought she not to have been blacking? ought we not to have been blacking? ought you not to have been blacking? ought they not to have been blacking?