English verb conjugation
MAY HARKEN

Regular verb: harken - harkened - harkened

Affirmation

Simple form	V-ing form
I may harken you may harken he may harken we may harken you may harken they may harken	I may be harkening you may be harkening he may be harkening we may be harkening you may be harkening they may be harkening
Perfect	V-ing perfect
I may have harkened you may have harkened he may have harkened we may have harkened you may have harkened they may have harkened	I may have been harkening you may have been harkening he may have been harkening we may have been harkening you may have been harkening they may have been harkening

Negation

Simple form	V-ing form
I mayn't harken you mayn't harken he mayn't harken we mayn't harken you mayn't harken they mayn't harken	I mayn't be harkening you mayn't be harkening he mayn't be harkening we mayn't be harkening you mayn't be harkening they mayn't be harkening
Perfect	V-ing perfect
I mayn't have harkened you mayn't have harkened he mayn't have harkened we mayn't have harkened you mayn't have harkened they mayn't have harkened	I mayn't have been harkening you mayn't have been harkening he mayn't have been harkening we mayn't have been harkening you mayn't have been harkening they mayn't have been harkening

Interrogative form

Simple form	V-ing form
may I harken? may you harken? may he harken? may we harken? may you harken? may they harken?	may I be harkening? may you be harkening? may he be harkening? may we be harkening? may you be harkening? may they be harkening?
Perfect	V-ing perfect
may I have harkened? may you have harkened? may he have harkened? may we have harkened? may you have harkened? may they have harkened?	may I have been harkening? may you have been harkening? may he have been harkening? may we have been harkening? may you have been harkening? may they have been harkening?

Interro-negative form

Simple form	V-ing form
mayn't I harken? mayn't you harken? mayn't he harken? mayn't we harken? mayn't you harken? mayn't they harken?	mayn't I be harkening? mayn't you be harkening? mayn't he be harkening? mayn't we be harkening? mayn't you be harkening? mayn't they be harkening?
Perfect	V-ing perfect
mayn't I have harkened? mayn't you have harkened? mayn't he have harkened? mayn't we have harkened? mayn't you have harkened? mayn't they have harkened?	mayn't I have been harkening? mayn't you have been harkening? mayn't he have been harkening? mayn't we have been harkening? mayn't you have been harkening? mayn't they have been harkening?