may excuse
Regular verb: excuse - excused- excused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?