English verb conjugation
OUGHT TO UNFASTEN

Regular verb: unfasten - unfastened - unfastened

Affirmation

Simple form	V-ing form
I ought to unfasten you ought to unfasten he ought to unfasten we ought to unfasten you ought to unfasten they ought to unfasten	I ought to be unfastening you ought to be unfastening he ought to be unfastening we ought to be unfastening you ought to be unfastening they ought to be unfastening
Perfect	V-ing perfect
I ought to have unfastened you ought to have unfastened he ought to have unfastened we ought to have unfastened you ought to have unfastened they ought to have unfastened	I ought to have been unfastening you ought to have been unfastening he ought to have been unfastening we ought to have been unfastening you ought to have been unfastening they ought to have been unfastening

Negation

Simple form	V-ing form
I ought not to unfasten you ought not to unfasten he ought not to unfasten we ought not to unfasten you ought not to unfasten they ought not to unfasten	I ought not to unfastening you ought not to unfastening he ought not to unfastening we ought not to unfastening you ought not to unfastening they ought not to unfastening
Perfect	V-ing perfect
I ought not to have unfastened you ought not to have unfastened he ought not to have unfastened we ought not to have unfastened you ought not to have unfastened they ought not to have unfastened	I ought not to have been unfastening you ought not to have been unfastening he ought not to have been unfastening we ought not to have been unfastening you ought not to have been unfastening they ought not to have been unfastening

Interrogative form

Simple form	V-ing form
ought to I unfasten? ought to you unfasten? ought to he unfasten? ought to we unfasten? ought to you unfasten? ought to they unfasten?	ought to I be unfastening? ought to you be unfastening? ought to he be unfastening? ought to we be unfastening? ought to you be unfastening? ought to they be unfastening?
Perfect	V-ing perfect
ought to I have unfastened? ought to you have unfastened? ought to he have unfastened? ought to we have unfastened? ought to you have unfastened? ought to they have unfastened?	ought to I have been unfastening? ought to you have been unfastening? ought to he have been unfastening? ought to we have been unfastening? ought to you have been unfastening? ought to they have been unfastening?

Interro-negative form

Simple form	V-ing form
ought I not to unfasten? ought you not to unfasten? ought he not to unfasten? ought we not to unfasten? ought you not to unfasten? ought they not to unfasten?	ought I not to be unfastening? ought you not to be unfastening? ought he not to be unfastening? ought we not to be unfastening? ought you not to be unfastening? ought they not to be unfastening?
Perfect	V-ing perfect
ought I not to have unfastened? ought you not to have unfastened? ought he not to have unfastened? ought we not to have unfastened? ought you not to have unfastened? ought they not to have unfastened?	ought I not to have been unfastening? ought you not to have been unfastening? ought he not to have been unfastening? ought we not to have been unfastening? ought you not to have been unfastening? ought they not to have been unfastening?