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