English verb conjugation
OUGHT TO SLIPPER

Regular verb: slipper - slippered - slippered

Affirmation

Simple form	V-ing form
I ought to slipper you ought to slipper he ought to slipper we ought to slipper you ought to slipper they ought to slipper	I ought to be slippering you ought to be slippering he ought to be slippering we ought to be slippering you ought to be slippering they ought to be slippering
Perfect	V-ing perfect
I ought to have slippered you ought to have slippered he ought to have slippered we ought to have slippered you ought to have slippered they ought to have slippered	I ought to have been slippering you ought to have been slippering he ought to have been slippering we ought to have been slippering you ought to have been slippering they ought to have been slippering

Negation

Simple form	V-ing form
I ought not to slipper you ought not to slipper he ought not to slipper we ought not to slipper you ought not to slipper they ought not to slipper	I ought not to slippering you ought not to slippering he ought not to slippering we ought not to slippering you ought not to slippering they ought not to slippering
Perfect	V-ing perfect
I ought not to have slippered you ought not to have slippered he ought not to have slippered we ought not to have slippered you ought not to have slippered they ought not to have slippered	I ought not to have been slippering you ought not to have been slippering he ought not to have been slippering we ought not to have been slippering you ought not to have been slippering they ought not to have been slippering

Interrogative form

Simple form	V-ing form
ought to I slipper? ought to you slipper? ought to he slipper? ought to we slipper? ought to you slipper? ought to they slipper?	ought to I be slippering? ought to you be slippering? ought to he be slippering? ought to we be slippering? ought to you be slippering? ought to they be slippering?
Perfect	V-ing perfect
ought to I have slippered? ought to you have slippered? ought to he have slippered? ought to we have slippered? ought to you have slippered? ought to they have slippered?	ought to I have been slippering? ought to you have been slippering? ought to he have been slippering? ought to we have been slippering? ought to you have been slippering? ought to they have been slippering?

Interro-negative form

Simple form	V-ing form
ought I not to slipper? ought you not to slipper? ought he not to slipper? ought we not to slipper? ought you not to slipper? ought they not to slipper?	ought I not to be slippering? ought you not to be slippering? ought he not to be slippering? ought we not to be slippering? ought you not to be slippering? ought they not to be slippering?
Perfect	V-ing perfect
ought I not to have slippered? ought you not to have slippered? ought he not to have slippered? ought we not to have slippered? ought you not to have slippered? ought they not to have slippered?	ought I not to have been slippering? ought you not to have been slippering? ought he not to have been slippering? ought we not to have been slippering? ought you not to have been slippering? ought they not to have been slippering?