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