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