English verb conjugation
OUGHT TO FASTEN

Regular verb: fasten - fastened - fastened

Affirmation

Simple form	V-ing form
I ought to fasten you ought to fasten he ought to fasten we ought to fasten you ought to fasten they ought to fasten	I ought to be fastening you ought to be fastening he ought to be fastening we ought to be fastening you ought to be fastening they ought to be fastening
Perfect	V-ing perfect
I ought to have fastened you ought to have fastened he ought to have fastened we ought to have fastened you ought to have fastened they ought to have fastened	I ought to have been fastening you ought to have been fastening he ought to have been fastening we ought to have been fastening you ought to have been fastening they ought to have been fastening

Negation

Simple form	V-ing form
I ought not to fasten you ought not to fasten he ought not to fasten we ought not to fasten you ought not to fasten they ought not to fasten	I ought not to fastening you ought not to fastening he ought not to fastening we ought not to fastening you ought not to fastening they ought not to fastening
Perfect	V-ing perfect
I ought not to have fastened you ought not to have fastened he ought not to have fastened we ought not to have fastened you ought not to have fastened they ought not to have fastened	I ought not to have been fastening you ought not to have been fastening he ought not to have been fastening we ought not to have been fastening you ought not to have been fastening they ought not to have been fastening

Interrogative form

Simple form	V-ing form
ought to I fasten? ought to you fasten? ought to he fasten? ought to we fasten? ought to you fasten? ought to they fasten?	ought to I be fastening? ought to you be fastening? ought to he be fastening? ought to we be fastening? ought to you be fastening? ought to they be fastening?
Perfect	V-ing perfect
ought to I have fastened? ought to you have fastened? ought to he have fastened? ought to we have fastened? ought to you have fastened? ought to they have fastened?	ought to I have been fastening? ought to you have been fastening? ought to he have been fastening? ought to we have been fastening? ought to you have been fastening? ought to they have been fastening?

Interro-negative form

Simple form	V-ing form
ought I not to fasten? ought you not to fasten? ought he not to fasten? ought we not to fasten? ought you not to fasten? ought they not to fasten?	ought I not to be fastening? ought you not to be fastening? ought he not to be fastening? ought we not to be fastening? ought you not to be fastening? ought they not to be fastening?
Perfect	V-ing perfect
ought I not to have fastened? ought you not to have fastened? ought he not to have fastened? ought we not to have fastened? ought you not to have fastened? ought they not to have fastened?	ought I not to have been fastening? ought you not to have been fastening? ought he not to have been fastening? ought we not to have been fastening? ought you not to have been fastening? ought they not to have been fastening?