I'd be telling you'd be telling she'd be telling we'd be telling you'd be telling they'd be telling
Perfect
I should've told you should've told she 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 she 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 she 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 she 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 she 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 she 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 she tell? should we tell? should you tell? should they tell?
V-ing form
should I be telling? should you be telling? should she be telling? should we be telling? should you be telling? should they be telling?
Perfect
should I have told? should you have told? should she 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 she 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 she 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 she 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 she 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 she have been telling? shouldn't we have been telling? shouldn't you have been telling? shouldn't they have been telling?