I ought to prefix you ought to prefix she ought to prefix we ought to prefix you ought to prefix they ought to prefix
V-ing form
I ought to be prefixing you ought to be prefixing she ought to be prefixing we ought to be prefixing you ought to be prefixing they ought to be prefixing
Perfect
I ought to have prefixed you ought to have prefixed she ought to have prefixed we ought to have prefixed you ought to have prefixed they ought to have prefixed
V-ing perfect
I ought to have been prefixing you ought to have been prefixing she ought to have been prefixing we ought to have been prefixing you ought to have been prefixing they ought to have been prefixing
Negation
Simple form
I ought not to prefix you ought not to prefix she ought not to prefix we ought not to prefix you ought not to prefix they ought not to prefix
V-ing form
I ought not to prefixing you ought not to prefixing she ought not to prefixing we ought not to prefixing you ought not to prefixing they ought not to prefixing
Perfect
I ought not to have prefixed you ought not to have prefixed she ought not to have prefixed we ought not to have prefixed you ought not to have prefixed they ought not to have prefixed
V-ing perfect
I ought not to have been prefixing you ought not to have been prefixing she ought not to have been prefixing we ought not to have been prefixing you ought not to have been prefixing they ought not to have been prefixing
Interrogative form
Simple form
ought to I prefix? ought to you prefix? ought to she prefix? ought to we prefix? ought to you prefix? ought to they prefix?
V-ing form
ought to I be prefixing? ought to you be prefixing? ought to she be prefixing? ought to we be prefixing? ought to you be prefixing? ought to they be prefixing?
Perfect
ought to I have prefixed? ought to you have prefixed? ought to she have prefixed? ought to we have prefixed? ought to you have prefixed? ought to they have prefixed?
V-ing perfect
ought to I have been prefixing? ought to you have been prefixing? ought to she have been prefixing? ought to we have been prefixing? ought to you have been prefixing? ought to they have been prefixing?
Interro-negative form
Simple form
ought I not to prefix? ought you not to prefix? ought she not to prefix? ought we not to prefix? ought you not to prefix? ought they not to prefix?
V-ing form
ought I not to be prefixing? ought you not to be prefixing? ought she not to be prefixing? ought we not to be prefixing? ought you not to be prefixing? ought they not to be prefixing?
Perfect
ought I not to have prefixed? ought you not to have prefixed? ought she not to have prefixed? ought we not to have prefixed? ought you not to have prefixed? ought they not to have prefixed?
V-ing perfect
ought I not to have been prefixing? ought you not to have been prefixing? ought she not to have been prefixing? ought we not to have been prefixing? ought you not to have been prefixing? ought they not to have been prefixing?