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