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