I'd be obligating you'd be obligating he'd be obligating we'd be obligating you'd be obligating they'd be obligating
Perfect
I should've obligated you should've obligated he should've obligated we should've obligated you should've obligated they should've obligated
V-ing perfect
I should've been obligating you should've been obligating he should've been obligating we should've been obligating you should've been obligating they should've been obligating
Negation
Simple form
I shouldn't obligate you shouldn't obligate he shouldn't obligate we shouldn't obligate you shouldn't obligate they shouldn't obligate
V-ing form
I shouldn't be obligating you shouldn't be obligating he shouldn't be obligating we shouldn't be obligating you shouldn't be obligating they shouldn't be obligating
Perfect
I shouldn't have obligated you shouldn't have obligated he shouldn't have obligated we shouldn't have obligated you shouldn't have obligated they shouldn't have obligated
V-ing perfect
I shouldn't have been obligating you shouldn't have been obligating he shouldn't have been obligating we shouldn't have been obligating you shouldn't have been obligating they shouldn't have been obligating
Interrogative form
Simple form
should I obligate? should you obligate? should he obligate? should we obligate? should you obligate? should they obligate?
V-ing form
should I be obligating? should you be obligating? should he be obligating? should we be obligating? should you be obligating? should they be obligating?
Perfect
should I have obligated? should you have obligated? should he have obligated? should we have obligated? should you have obligated? should they have obligated?
V-ing perfect
should I have been obligating? should you have been obligating? should he have been obligating? should we have been obligating? should you have been obligating? should they have been obligating?
Interro-negative form
Simple form
shouldn't I obligate? shouldn't you obligate? shouldn't he obligate? shouldn't we obligate? shouldn't you obligate? shouldn't they obligate?
V-ing form
shouldn't I be obligating? shouldn't you be obligating? shouldn't he be obligating? shouldn't we be obligating? shouldn't you be obligating? shouldn't they be obligating?
Perfect
shouldn't I have obligated? shouldn't you have obligated? shouldn't he have obligated? shouldn't we have obligated? shouldn't you have obligated? shouldn't they have obligated?
V-ing perfect
shouldn't I have been obligating? shouldn't you have been obligating? shouldn't he have been obligating? shouldn't we have been obligating? shouldn't you have been obligating? shouldn't they have been obligating?