I'd be confusing you'd be confusing he'd be confusing we'd be confusing you'd be confusing they'd be confusing
Perfect
I should've confused you should've confused he 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 he 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 he 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 he 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 he 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 he 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 he confuse? should we confuse? should you confuse? should they confuse?
V-ing form
should I be confusing? should you be confusing? should he be confusing? should we be confusing? should you be confusing? should they be confusing?
Perfect
should I have confused? should you have confused? should he 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 he 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 he 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 he 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 he 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 he have been confusing? shouldn't we have been confusing? shouldn't you have been confusing? shouldn't they have been confusing?