I ought to obtain you ought to obtain she ought to obtain we ought to obtain you ought to obtain they ought to obtain
V-ing form
I ought to be obtaining you ought to be obtaining she ought to be obtaining we ought to be obtaining you ought to be obtaining they ought to be obtaining
Perfect
I ought to have obtained you ought to have obtained she ought to have obtained we ought to have obtained you ought to have obtained they ought to have obtained
V-ing perfect
I ought to have been obtaining you ought to have been obtaining she ought to have been obtaining we ought to have been obtaining you ought to have been obtaining they ought to have been obtaining
Negation
Simple form
I ought not to obtain you ought not to obtain she ought not to obtain we ought not to obtain you ought not to obtain they ought not to obtain
V-ing form
I ought not to obtaining you ought not to obtaining she ought not to obtaining we ought not to obtaining you ought not to obtaining they ought not to obtaining
Perfect
I ought not to have obtained you ought not to have obtained she ought not to have obtained we ought not to have obtained you ought not to have obtained they ought not to have obtained
V-ing perfect
I ought not to have been obtaining you ought not to have been obtaining she ought not to have been obtaining we ought not to have been obtaining you ought not to have been obtaining they ought not to have been obtaining
Interrogative form
Simple form
ought to I obtain? ought to you obtain? ought to she obtain? ought to we obtain? ought to you obtain? ought to they obtain?
V-ing form
ought to I be obtaining? ought to you be obtaining? ought to she be obtaining? ought to we be obtaining? ought to you be obtaining? ought to they be obtaining?
Perfect
ought to I have obtained? ought to you have obtained? ought to she have obtained? ought to we have obtained? ought to you have obtained? ought to they have obtained?
V-ing perfect
ought to I have been obtaining? ought to you have been obtaining? ought to she have been obtaining? ought to we have been obtaining? ought to you have been obtaining? ought to they have been obtaining?
Interro-negative form
Simple form
ought I not to obtain? ought you not to obtain? ought she not to obtain? ought we not to obtain? ought you not to obtain? ought they not to obtain?
V-ing form
ought I not to be obtaining? ought you not to be obtaining? ought she not to be obtaining? ought we not to be obtaining? ought you not to be obtaining? ought they not to be obtaining?
Perfect
ought I not to have obtained? ought you not to have obtained? ought she not to have obtained? ought we not to have obtained? ought you not to have obtained? ought they not to have obtained?
V-ing perfect
ought I not to have been obtaining? ought you not to have been obtaining? ought she not to have been obtaining? ought we not to have been obtaining? ought you not to have been obtaining? ought they not to have been obtaining?