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