I ought to obtain you ought to obtain he 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 he 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 he 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 he 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 oughtn't to obtain you oughtn't to obtain he oughtn't to obtain we oughtn't to obtain you oughtn't to obtain they oughtn't to obtain
V-ing form
I oughtn't to be obtaining you oughtn't to be obtaining he oughtn't to be obtaining we oughtn't to be obtaining you oughtn't to be obtaining they oughtn't to be obtaining
Perfect
I oughtn't to have obtained you oughtn't to have obtained he oughtn't to have obtained we oughtn't to have obtained you oughtn't to have obtained they oughtn't to have obtained
V-ing perfect
I oughtn't to have been obtaining you oughtn't to have been obtaining he oughtn't to have been obtaining we oughtn't to have been obtaining you oughtn't to have been obtaining they oughtn't to have been obtaining
Interrogative form
Simple form
ought to I obtain? ought to you obtain? ought to he 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 he 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 he 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 he 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
oughtn't I to obtain? oughtn't you to obtain? oughtn't he to obtain? oughtn't we to obtain? oughtn't you to obtain? oughtn't they to obtain?
V-ing form
oughtn't I to be obtaining? oughtn't you to be obtaining? oughtn't he to be obtaining? oughtn't we to be obtaining? oughtn't you to be obtaining? oughtn't they to be obtaining?
Perfect
oughtn't I to have obtained? oughtn't you to have obtained? oughtn't he to have obtained? oughtn't we to have obtained? oughtn't you to have obtained? oughtn't they to have obtained?
V-ing perfect
oughtn't I to have been obtaining? oughtn't you to have been obtaining? oughtn't he to have been obtaining? oughtn't we to have been obtaining? oughtn't you to have been obtaining? oughtn't they to have been obtaining?