I'd be regulating you'd be regulating he'd be regulating we'd be regulating you'd be regulating they'd be regulating
Perfect
I should've regulated you should've regulated he 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 he 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 he 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 he 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 he 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 he 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 he regulate? should we regulate? should you regulate? should they regulate?
V-ing form
should I be regulating? should you be regulating? should he be regulating? should we be regulating? should you be regulating? should they be regulating?
Perfect
should I have regulated? should you have regulated? should he 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 he 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 he 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 he 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 he 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 he have been regulating? shouldn't we have been regulating? shouldn't you have been regulating? shouldn't they have been regulating?