I may reface you may reface he may reface we may reface you may reface they may reface
V-ing form
I may be refacing you may be refacing he may be refacing we may be refacing you may be refacing they may be refacing
Perfect
I may have refaced you may have refaced he may have refaced we may have refaced you may have refaced they may have refaced
V-ing perfect
I may have been refacing you may have been refacing he may have been refacing we may have been refacing you may have been refacing they may have been refacing
Negation
Simple form
I may not reface you may not reface he may not reface we may not reface you may not reface they may not reface
V-ing form
I may not be refacing you may not be refacing he may not be refacing we may not be refacing you may not be refacing they may not be refacing
Perfect
I may not have refaced you may not have refaced he may not have refaced we may not have refaced you may not have refaced they may not have refaced
V-ing perfect
I may not have been refacing you may not have been refacing he may not have been refacing we may not have been refacing you may not have been refacing they may not have been refacing
Interrogative form
Simple form
may I reface? may you reface? may he reface? may we reface? may you reface? may they reface?
V-ing form
may I be refacing? may you be refacing? may he be refacing? may we be refacing? may you be refacing? may they be refacing?
Perfect
may I have refaced? may you have refaced? may he have refaced? may we have refaced? may you have refaced? may they have refaced?
V-ing perfect
may I have been refacing? may you have been refacing? may he have been refacing? may we have been refacing? may you have been refacing? may they have been refacing?
Interro-negative form
Simple form
may I not reface? may you not reface? may he not reface? may we not reface? may you not reface? may they not reface?
V-ing form
may I not be refacing? may you not be refacing? may he not be refacing? may we not be refacing? may you not be refacing? may they not be refacing?
Perfect
may I not have refaced? may you not have refaced? may he not have refaced? may we not have refaced? may you not have refaced? may they not have refaced?
V-ing perfect
may I not have been refacing? may you not have been refacing? may he not have been refacing? may we not have been refacing? may you not have been refacing? may they not have been refacing?