I should enlighten you should enlighten he should enlighten we should enlighten you should enlighten they should enlighten
V-ing form
I should be enlightening you should be enlightening he should be enlightening we should be enlightening you should be enlightening they should be enlightening
Perfect
I should have enlightened you should have enlightened he should have enlightened we should have enlightened you should have enlightened they should have enlightened
V-ing perfect
I should have been enlightening you should have been enlightening he should have been enlightening we should have been enlightening you should have been enlightening they should have been enlightening
Negation
Simple form
I should not enlighten you should not enlighten he should not enlighten we should not enlighten you should not enlighten they should not enlighten
V-ing form
I should not be enlightening you should not be enlightening he should not be enlightening we should not be enlightening you should not be enlightening they should not be enlightening
Perfect
I should not have enlightened you should not have enlightened he should not have enlightened we should not have enlightened you should not have enlightened they should not have enlightened
V-ing perfect
I should not have been enlightening you should not have been enlightening he should not have been enlightening we should not have been enlightening you should not have been enlightening they should not 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
should I not enlighten? should you not enlighten? should he not enlighten? should we not enlighten? should you not enlighten? should they not enlighten?
V-ing form
should I not be enlightening? should you not be enlightening? should he not be enlightening? should we not be enlightening? should you not be enlightening? should they not be enlightening?
Perfect
should I not have enlightened? should you not have enlightened? should he not have enlightened? should we not have enlightened? should you not have enlightened? should they not have enlightened?
V-ing perfect
should I not have been enlightening? should you not have been enlightening? should he not have been enlightening? should we not have been enlightening? should you not have been enlightening? should they not have been enlightening?