English verb conjugation
MAY KEEN

Regular verb: keen - keened - keened

Affirmation

Simple form	V-ing form
I may keen you may keen he may keen we may keen you may keen they may keen	I may be keening you may be keening he may be keening we may be keening you may be keening they may be keening
Perfect	V-ing perfect
I may have keened you may have keened he may have keened we may have keened you may have keened they may have keened	I may have been keening you may have been keening he may have been keening we may have been keening you may have been keening they may have been keening

Negation

Simple form	V-ing form
I mayn't keen you mayn't keen he mayn't keen we mayn't keen you mayn't keen they mayn't keen	I mayn't be keening you mayn't be keening he mayn't be keening we mayn't be keening you mayn't be keening they mayn't be keening
Perfect	V-ing perfect
I mayn't have keened you mayn't have keened he mayn't have keened we mayn't have keened you mayn't have keened they mayn't have keened	I mayn't have been keening you mayn't have been keening he mayn't have been keening we mayn't have been keening you mayn't have been keening they mayn't have been keening

Interrogative form

Simple form	V-ing form
may I keen? may you keen? may he keen? may we keen? may you keen? may they keen?	may I be keening? may you be keening? may he be keening? may we be keening? may you be keening? may they be keening?
Perfect	V-ing perfect
may I have keened? may you have keened? may he have keened? may we have keened? may you have keened? may they have keened?	may I have been keening? may you have been keening? may he have been keening? may we have been keening? may you have been keening? may they have been keening?

Interro-negative form

Simple form	V-ing form
mayn't I keen? mayn't you keen? mayn't he keen? mayn't we keen? mayn't you keen? mayn't they keen?	mayn't I be keening? mayn't you be keening? mayn't he be keening? mayn't we be keening? mayn't you be keening? mayn't they be keening?
Perfect	V-ing perfect
mayn't I have keened? mayn't you have keened? mayn't he have keened? mayn't we have keened? mayn't you have keened? mayn't they have keened?	mayn't I have been keening? mayn't you have been keening? mayn't he have been keening? mayn't we have been keening? mayn't you have been keening? mayn't they have been keening?