I may deface you may deface he may deface we may deface you may deface they may deface
V-ing form
I may be defacing you may be defacing he may be defacing we may be defacing you may be defacing they may be defacing
Perfect
I may have defaced you may have defaced he may have defaced we may have defaced you may have defaced they may have defaced
V-ing perfect
I may have been defacing you may have been defacing he may have been defacing we may have been defacing you may have been defacing they may have been defacing
Negation
Simple form
I may not deface you may not deface he may not deface we may not deface you may not deface they may not deface
V-ing form
I may not be defacing you may not be defacing he may not be defacing we may not be defacing you may not be defacing they may not be defacing
Perfect
I may not have defaced you may not have defaced he may not have defaced we may not have defaced you may not have defaced they may not have defaced
V-ing perfect
I may not have been defacing you may not have been defacing he may not have been defacing we may not have been defacing you may not have been defacing they may not have been defacing
Interrogative form
Simple form
may I deface? may you deface? may he deface? may we deface? may you deface? may they deface?
V-ing form
may I be defacing? may you be defacing? may he be defacing? may we be defacing? may you be defacing? may they be defacing?
Perfect
may I have defaced? may you have defaced? may he have defaced? may we have defaced? may you have defaced? may they have defaced?
V-ing perfect
may I have been defacing? may you have been defacing? may he have been defacing? may we have been defacing? may you have been defacing? may they have been defacing?
Interro-negative form
Simple form
may I not deface? may you not deface? may he not deface? may we not deface? may you not deface? may they not deface?
V-ing form
may I not be defacing? may you not be defacing? may he not be defacing? may we not be defacing? may you not be defacing? may they not be defacing?
Perfect
may I not have defaced? may you not have defaced? may he not have defaced? may we not have defaced? may you not have defaced? may they not have defaced?
V-ing perfect
may I not have been defacing? may you not have been defacing? may he not have been defacing? may we not have been defacing? may you not have been defacing? may they not have been defacing?