I may endeavor you may endeavor he may endeavor we may endeavor you may endeavor they may endeavor
V-ing form
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
I may have endeavored you may have endeavored he may have endeavored we may have endeavored you may have endeavored they may have endeavored
V-ing perfect
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
I may not endeavor you may not endeavor he may not endeavor we may not endeavor you may not endeavor they may not endeavor
V-ing form
I may not be endeavoring you may not be endeavoring he may not be endeavoring we may not be endeavoring you may not be endeavoring they may not be endeavoring
Perfect
I may not have endeavored you may not have endeavored he may not have endeavored we may not have endeavored you may not have endeavored they may not have endeavored
V-ing perfect
I may not have been endeavoring you may not have been endeavoring he may not have been endeavoring we may not have been endeavoring you may not have been endeavoring they may not have been endeavoring
Interrogative form
Simple form
may I endeavor? may you endeavor? may he endeavor? may we endeavor? may you endeavor? may they endeavor?
V-ing form
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
may I have endeavored? may you have endeavored? may he have endeavored? may we have endeavored? may you have endeavored? may they have endeavored?
V-ing perfect
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
may I not endeavor? may you not endeavor? may he not endeavor? may we not endeavor? may you not endeavor? may they not endeavor?
V-ing form
may I not be endeavoring? may you not be endeavoring? may he not be endeavoring? may we not be endeavoring? may you not be endeavoring? may they not be endeavoring?
Perfect
may I not have endeavored? may you not have endeavored? may he not have endeavored? may we not have endeavored? may you not have endeavored? may they not have endeavored?
V-ing perfect
may I not have been endeavoring? may you not have been endeavoring? may he not have been endeavoring? may we not have been endeavoring? may you not have been endeavoring? may they not have been endeavoring?