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