I may about-face you may about-face he may about-face we may about-face you may about-face they may about-face
V-ing form
I may be about-facing you may be about-facing he may be about-facing we may be about-facing you may be about-facing they may be about-facing
Perfect
I may have about-faced you may have about-faced he may have about-faced we may have about-faced you may have about-faced they may have about-faced
V-ing perfect
I may have been about-facing you may have been about-facing he may have been about-facing we may have been about-facing you may have been about-facing they may have been about-facing
Negation
Simple form
I may not about-face you may not about-face he may not about-face we may not about-face you may not about-face they may not about-face
V-ing form
I may not be about-facing you may not be about-facing he may not be about-facing we may not be about-facing you may not be about-facing they may not be about-facing
Perfect
I may not have about-faced you may not have about-faced he may not have about-faced we may not have about-faced you may not have about-faced they may not have about-faced
V-ing perfect
I may not have been about-facing you may not have been about-facing he may not have been about-facing we may not have been about-facing you may not have been about-facing they may not have been about-facing
Interrogative form
Simple form
may I about-face? may you about-face? may he about-face? may we about-face? may you about-face? may they about-face?
V-ing form
may I be about-facing? may you be about-facing? may he be about-facing? may we be about-facing? may you be about-facing? may they be about-facing?
Perfect
may I have about-faced? may you have about-faced? may he have about-faced? may we have about-faced? may you have about-faced? may they have about-faced?
V-ing perfect
may I have been about-facing? may you have been about-facing? may he have been about-facing? may we have been about-facing? may you have been about-facing? may they have been about-facing?
Interro-negative form
Simple form
may I not about-face? may you not about-face? may he not about-face? may we not about-face? may you not about-face? may they not about-face?
V-ing form
may I not be about-facing? may you not be about-facing? may he not be about-facing? may we not be about-facing? may you not be about-facing? may they not be about-facing?
Perfect
may I not have about-faced? may you not have about-faced? may he not have about-faced? may we not have about-faced? may you not have about-faced? may they not have about-faced?
V-ing perfect
may I not have been about-facing? may you not have been about-facing? may he not have been about-facing? may we not have been about-facing? may you not have been about-facing? may they not have been about-facing?