I'd be introducing you'd be introducing he'd be introducing we'd be introducing you'd be introducing they'd be introducing
Perfect
I should've introduced you should've introduced he 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 he 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 he 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 he 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 he 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 he 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 he introduce? should we introduce? should you introduce? should they introduce?
V-ing form
should I be introducing? should you be introducing? should he be introducing? should we be introducing? should you be introducing? should they be introducing?
Perfect
should I have introduced? should you have introduced? should he 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 he 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 he 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 he 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 he 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 he have been introducing? shouldn't we have been introducing? shouldn't you have been introducing? shouldn't they have been introducing?