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 may not keen you may not keen he may not keen we may not keen you may not keen they may not keen	I may not be keening you may not be keening he may not be keening we may not be keening you may not be keening they may not be keening
Perfect	V-ing perfect
I may not have keened you may not have keened he may not have keened we may not have keened you may not have keened they may not have keened	I may not have been keening you may not have been keening he may not have been keening we may not have been keening you may not have been keening they may not 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
may I not keen? may you not keen? may he not keen? may we not keen? may you not keen? may they not keen?	may I not be keening? may you not be keening? may he not be keening? may we not be keening? may you not be keening? may they not be keening?
Perfect	V-ing perfect
may I not have keened? may you not have keened? may he not have keened? may we not have keened? may you not have keened? may they not have keened?	may I not have been keening? may you not have been keening? may he not have been keening? may we not have been keening? may you not have been keening? may they not have been keening?