I'd be obtaining you'd be obtaining she'd be obtaining we'd be obtaining you'd be obtaining they'd be obtaining
Perfect
I should've obtained you should've obtained she should've obtained we should've obtained you should've obtained they should've obtained
V-ing perfect
I should've been obtaining you should've been obtaining she should've been obtaining we should've been obtaining you should've been obtaining they should've been obtaining
Negation
Simple form
I shouldn't obtain you shouldn't obtain she shouldn't obtain we shouldn't obtain you shouldn't obtain they shouldn't obtain
V-ing form
I shouldn't be obtaining you shouldn't be obtaining she shouldn't be obtaining we shouldn't be obtaining you shouldn't be obtaining they shouldn't be obtaining
Perfect
I shouldn't have obtained you shouldn't have obtained she shouldn't have obtained we shouldn't have obtained you shouldn't have obtained they shouldn't have obtained
V-ing perfect
I shouldn't have been obtaining you shouldn't have been obtaining she shouldn't have been obtaining we shouldn't have been obtaining you shouldn't have been obtaining they shouldn't have been obtaining
Interrogative form
Simple form
should I obtain? should you obtain? should she obtain? should we obtain? should you obtain? should they obtain?
V-ing form
should I be obtaining? should you be obtaining? should she be obtaining? should we be obtaining? should you be obtaining? should they be obtaining?
Perfect
should I have obtained? should you have obtained? should she have obtained? should we have obtained? should you have obtained? should they have obtained?
V-ing perfect
should I have been obtaining? should you have been obtaining? should she have been obtaining? should we have been obtaining? should you have been obtaining? should they have been obtaining?
Interro-negative form
Simple form
shouldn't I obtain? shouldn't you obtain? shouldn't she obtain? shouldn't we obtain? shouldn't you obtain? shouldn't they obtain?
V-ing form
shouldn't I be obtaining? shouldn't you be obtaining? shouldn't she be obtaining? shouldn't we be obtaining? shouldn't you be obtaining? shouldn't they be obtaining?
Perfect
shouldn't I have obtained? shouldn't you have obtained? shouldn't she have obtained? shouldn't we have obtained? shouldn't you have obtained? shouldn't they have obtained?
V-ing perfect
shouldn't I have been obtaining? shouldn't you have been obtaining? shouldn't she have been obtaining? shouldn't we have been obtaining? shouldn't you have been obtaining? shouldn't they have been obtaining?