English verb conjugation
MAY EXCUSE

Regular verb: excuse - excused - excused

Affirmation

Simple form	V-ing form
I may excuse you may excuse he may excuse we may excuse you may excuse they may excuse	I may be excusing you may be excusing he may be excusing we may be excusing you may be excusing they may be excusing
Perfect	V-ing perfect
I may have excused you may have excused he may have excused we may have excused you may have excused they may have excused	I may have been excusing you may have been excusing he may have been excusing we may have been excusing you may have been excusing they may have been excusing

Negation

Simple form	V-ing form
I may not excuse you may not excuse he may not excuse we may not excuse you may not excuse they may not excuse	I may not be excusing you may not be excusing he may not be excusing we may not be excusing you may not be excusing they may not be excusing
Perfect	V-ing perfect
I may not have excused you may not have excused he may not have excused we may not have excused you may not have excused they may not have excused	I may not have been excusing you may not have been excusing he may not have been excusing we may not have been excusing you may not have been excusing they may not have been excusing

Interrogative form

Simple form	V-ing form
may I excuse? may you excuse? may he excuse? may we excuse? may you excuse? may they excuse?	may I be excusing? may you be excusing? may he be excusing? may we be excusing? may you be excusing? may they be excusing?
Perfect	V-ing perfect
may I have excused? may you have excused? may he have excused? may we have excused? may you have excused? may they have excused?	may I have been excusing? may you have been excusing? may he have been excusing? may we have been excusing? may you have been excusing? may they have been excusing?

Interro-negative form

Simple form	V-ing form
may I not excuse? may you not excuse? may he not excuse? may we not excuse? may you not excuse? may they not excuse?	may I not be excusing? may you not be excusing? may he not be excusing? may we not be excusing? may you not be excusing? may they not be excusing?
Perfect	V-ing perfect
may I not have excused? may you not have excused? may he not have excused? may we not have excused? may you not have excused? may they not have excused?	may I not have been excusing? may you not have been excusing? may he not have been excusing? may we not have been excusing? may you not have been excusing? may they not have been excusing?