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