English verb conjugation
MAY ENDEAVOR

Regular verb: endeavor - endeavored - endeavored

Affirmation

Simple form	V-ing form
I may endeavor you may endeavor he may endeavor we may endeavor you may endeavor they may endeavor	I may be endeavoring you may be endeavoring he may be endeavoring we may be endeavoring you may be endeavoring they may be endeavoring
Perfect	V-ing perfect
I may have endeavored you may have endeavored he may have endeavored we may have endeavored you may have endeavored they may have endeavored	I may have been endeavoring you may have been endeavoring he may have been endeavoring we may have been endeavoring you may have been endeavoring they may have been endeavoring

Negation

Simple form	V-ing form
I mayn't endeavor you mayn't endeavor he mayn't endeavor we mayn't endeavor you mayn't endeavor they mayn't endeavor	I mayn't be endeavoring you mayn't be endeavoring he mayn't be endeavoring we mayn't be endeavoring you mayn't be endeavoring they mayn't be endeavoring
Perfect	V-ing perfect
I mayn't have endeavored you mayn't have endeavored he mayn't have endeavored we mayn't have endeavored you mayn't have endeavored they mayn't have endeavored	I mayn't have been endeavoring you mayn't have been endeavoring he mayn't have been endeavoring we mayn't have been endeavoring you mayn't have been endeavoring they mayn't have been endeavoring

Interrogative form

Simple form	V-ing form
may I endeavor? may you endeavor? may he endeavor? may we endeavor? may you endeavor? may they endeavor?	may I be endeavoring? may you be endeavoring? may he be endeavoring? may we be endeavoring? may you be endeavoring? may they be endeavoring?
Perfect	V-ing perfect
may I have endeavored? may you have endeavored? may he have endeavored? may we have endeavored? may you have endeavored? may they have endeavored?	may I have been endeavoring? may you have been endeavoring? may he have been endeavoring? may we have been endeavoring? may you have been endeavoring? may they have been endeavoring?

Interro-negative form

Simple form	V-ing form
mayn't I endeavor? mayn't you endeavor? mayn't he endeavor? mayn't we endeavor? mayn't you endeavor? mayn't they endeavor?	mayn't I be endeavoring? mayn't you be endeavoring? mayn't he be endeavoring? mayn't we be endeavoring? mayn't you be endeavoring? mayn't they be endeavoring?
Perfect	V-ing perfect
mayn't I have endeavored? mayn't you have endeavored? mayn't he have endeavored? mayn't we have endeavored? mayn't you have endeavored? mayn't they have endeavored?	mayn't I have been endeavoring? mayn't you have been endeavoring? mayn't he have been endeavoring? mayn't we have been endeavoring? mayn't you have been endeavoring? mayn't they have been endeavoring?