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