English verb conjugation
MUST ABOUT-FACE

Regular verb: about-face - about-faced - about-faced

Affirmation

Simple form	V-ing form
I must about-face you must about-face he must about-face we must about-face you must about-face they must about-face	I must be about-facing you must be about-facing he must be about-facing we must be about-facing you must be about-facing they must be about-facing
Perfect	V-ing perfect
I must have about-faced you must have about-faced he must have about-faced we must have about-faced you must have about-faced they must have about-faced	I must have been about-facing you must have been about-facing he must have been about-facing we must have been about-facing you must have been about-facing they must have been about-facing

Negation

Simple form	V-ing form
I must not about-face you must not about-face he must not about-face we must not about-face you must not about-face they must not about-face	I must not be about-facing you must not be about-facing he must not be about-facing we must not be about-facing you must not be about-facing they must not be about-facing
Perfect	V-ing perfect
I must not have about-faced you must not have about-faced he must not have about-faced we must not have about-faced you must not have about-faced they must not have about-faced	I must not have been about-facing you must not have been about-facing he must not have been about-facing we must not have been about-facing you must not have been about-facing they must not have been about-facing

Interrogative form

Simple form	V-ing form
must I about-face? must you about-face? must he about-face? must we about-face? must you about-face? must they about-face?	must I be about-facing? must you be about-facing? must he be about-facing? must we be about-facing? must you be about-facing? must they be about-facing?
Perfect	V-ing perfect
must I have about-faced? must you have about-faced? must he have about-faced? must we have about-faced? must you have about-faced? must they have about-faced?	must I have been about-facing? must you have been about-facing? must he have been about-facing? must we have been about-facing? must you have been about-facing? must they have been about-facing?

Interro-negative form

Simple form	V-ing form
must I not about-face? must you not about-face? must he not about-face? must we not about-face? must you not about-face? must they not about-face?	must I not be about-facing? must you not be about-facing? must he not be about-facing? must we not be about-facing? must you not be about-facing? must they not be about-facing?
Perfect	V-ing perfect
must I not have about-faced? must you not have about-faced? must he not have about-faced? must we not have about-faced? must you not have about-faced? must they not have about-faced?	must I not have been about-facing? must you not have been about-facing? must he not have been about-facing? must we not have been about-facing? must you not have been about-facing? must they not have been about-facing?