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