I should hearken you should hearken he should hearken we should hearken you should hearken they should hearken
V-ing form
I should be hearkening you should be hearkening he should be hearkening we should be hearkening you should be hearkening they should be hearkening
Perfect
I should have hearkened you should have hearkened he should have hearkened we should have hearkened you should have hearkened they should have hearkened
V-ing perfect
I should have been hearkening you should have been hearkening he should have been hearkening we should have been hearkening you should have been hearkening they should have been hearkening
Negation
Simple form
I should not hearken you should not hearken he should not hearken we should not hearken you should not hearken they should not hearken
V-ing form
I should not be hearkening you should not be hearkening he should not be hearkening we should not be hearkening you should not be hearkening they should not be hearkening
Perfect
I should not have hearkened you should not have hearkened he should not have hearkened we should not have hearkened you should not have hearkened they should not have hearkened
V-ing perfect
I should not have been hearkening you should not have been hearkening he should not have been hearkening we should not have been hearkening you should not have been hearkening they should not 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
should I not hearken? should you not hearken? should he not hearken? should we not hearken? should you not hearken? should they not hearken?
V-ing form
should I not be hearkening? should you not be hearkening? should he not be hearkening? should we not be hearkening? should you not be hearkening? should they not be hearkening?
Perfect
should I not have hearkened? should you not have hearkened? should he not have hearkened? should we not have hearkened? should you not have hearkened? should they not have hearkened?
V-ing perfect
should I not have been hearkening? should you not have been hearkening? should he not have been hearkening? should we not have been hearkening? should you not have been hearkening? should they not have been hearkening?