English verb conjugation
OUGHT TO UNNAIL

Regular verb: unnail - unnailed - unnailed

Affirmation

Simple form	V-ing form
I ought to unnail you ought to unnail he ought to unnail we ought to unnail you ought to unnail they ought to unnail	I ought to be unnailing you ought to be unnailing he ought to be unnailing we ought to be unnailing you ought to be unnailing they ought to be unnailing
Perfect	V-ing perfect
I ought to have unnailed you ought to have unnailed he ought to have unnailed we ought to have unnailed you ought to have unnailed they ought to have unnailed	I ought to have been unnailing you ought to have been unnailing he ought to have been unnailing we ought to have been unnailing you ought to have been unnailing they ought to have been unnailing

Negation

Simple form	V-ing form
I ought not to unnail you ought not to unnail he ought not to unnail we ought not to unnail you ought not to unnail they ought not to unnail	I ought not to unnailing you ought not to unnailing he ought not to unnailing we ought not to unnailing you ought not to unnailing they ought not to unnailing
Perfect	V-ing perfect
I ought not to have unnailed you ought not to have unnailed he ought not to have unnailed we ought not to have unnailed you ought not to have unnailed they ought not to have unnailed	I ought not to have been unnailing you ought not to have been unnailing he ought not to have been unnailing we ought not to have been unnailing you ought not to have been unnailing they ought not to have been unnailing

Interrogative form

Simple form	V-ing form
ought to I unnail? ought to you unnail? ought to he unnail? ought to we unnail? ought to you unnail? ought to they unnail?	ought to I be unnailing? ought to you be unnailing? ought to he be unnailing? ought to we be unnailing? ought to you be unnailing? ought to they be unnailing?
Perfect	V-ing perfect
ought to I have unnailed? ought to you have unnailed? ought to he have unnailed? ought to we have unnailed? ought to you have unnailed? ought to they have unnailed?	ought to I have been unnailing? ought to you have been unnailing? ought to he have been unnailing? ought to we have been unnailing? ought to you have been unnailing? ought to they have been unnailing?

Interro-negative form

Simple form	V-ing form
ought I not to unnail? ought you not to unnail? ought he not to unnail? ought we not to unnail? ought you not to unnail? ought they not to unnail?	ought I not to be unnailing? ought you not to be unnailing? ought he not to be unnailing? ought we not to be unnailing? ought you not to be unnailing? ought they not to be unnailing?
Perfect	V-ing perfect
ought I not to have unnailed? ought you not to have unnailed? ought he not to have unnailed? ought we not to have unnailed? ought you not to have unnailed? ought they not to have unnailed?	ought I not to have been unnailing? ought you not to have been unnailing? ought he not to have been unnailing? ought we not to have been unnailing? ought you not to have been unnailing? ought they not to have been unnailing?