English verb conjugation
OUGHT TO ZIPPER

Regular verb: zipper - zippered - zippered

Affirmation

Simple form	V-ing form
I ought to zipper you ought to zipper she ought to zipper we ought to zipper you ought to zipper they ought to zipper	I ought to be zippering you ought to be zippering she ought to be zippering we ought to be zippering you ought to be zippering they ought to be zippering
Perfect	V-ing perfect
I ought to have zippered you ought to have zippered she ought to have zippered we ought to have zippered you ought to have zippered they ought to have zippered	I ought to have been zippering you ought to have been zippering she ought to have been zippering we ought to have been zippering you ought to have been zippering they ought to have been zippering

Negation

Simple form	V-ing form
I ought not to zipper you ought not to zipper she ought not to zipper we ought not to zipper you ought not to zipper they ought not to zipper	I ought not to zippering you ought not to zippering she ought not to zippering we ought not to zippering you ought not to zippering they ought not to zippering
Perfect	V-ing perfect
I ought not to have zippered you ought not to have zippered she ought not to have zippered we ought not to have zippered you ought not to have zippered they ought not to have zippered	I ought not to have been zippering you ought not to have been zippering she ought not to have been zippering we ought not to have been zippering you ought not to have been zippering they ought not to have been zippering

Interrogative form

Simple form	V-ing form
ought to I zipper? ought to you zipper? ought to she zipper? ought to we zipper? ought to you zipper? ought to they zipper?	ought to I be zippering? ought to you be zippering? ought to she be zippering? ought to we be zippering? ought to you be zippering? ought to they be zippering?
Perfect	V-ing perfect
ought to I have zippered? ought to you have zippered? ought to she have zippered? ought to we have zippered? ought to you have zippered? ought to they have zippered?	ought to I have been zippering? ought to you have been zippering? ought to she have been zippering? ought to we have been zippering? ought to you have been zippering? ought to they have been zippering?

Interro-negative form

Simple form	V-ing form
ought I not to zipper? ought you not to zipper? ought she not to zipper? ought we not to zipper? ought you not to zipper? ought they not to zipper?	ought I not to be zippering? ought you not to be zippering? ought she not to be zippering? ought we not to be zippering? ought you not to be zippering? ought they not to be zippering?
Perfect	V-ing perfect
ought I not to have zippered? ought you not to have zippered? ought she not to have zippered? ought we not to have zippered? ought you not to have zippered? ought they not to have zippered?	ought I not to have been zippering? ought you not to have been zippering? ought she not to have been zippering? ought we not to have been zippering? ought you not to have been zippering? ought they not to have been zippering?