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