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