English verb conjugation
COULD ABOUT-FACE

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

Affirmation

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

Negation

Simple form	V-ing form
I couldn't about-face you couldn't about-face she couldn't about-face we couldn't about-face you couldn't about-face they couldn't about-face	I couldn't be about-facing you couldn't be about-facing she couldn't be about-facing we couldn't be about-facing you couldn't be about-facing they couldn't be about-facing
Perfect	V-ing perfect
I couldn't have about-faced you couldn't have about-faced she couldn't have about-faced we couldn't have about-faced you couldn't have about-faced they couldn't have about-faced	I couldn't have been about-facing you couldn't have been about-facing she couldn't have been about-facing we couldn't have been about-facing you couldn't have been about-facing they couldn't have been about-facing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I about-face? couldn't you about-face? couldn't she about-face? couldn't we about-face? couldn't you about-face? couldn't they about-face?	couldn't I be about-facing? couldn't you be about-facing? couldn't she be about-facing? couldn't we be about-facing? couldn't you be about-facing? couldn't they be about-facing?
Perfect	V-ing perfect
couldn't I have about-faced? couldn't you have about-faced? couldn't she have about-faced? couldn't we have about-faced? couldn't you have about-faced? couldn't they have about-faced?	couldn't I have been about-facing? couldn't you have been about-facing? couldn't she have been about-facing? couldn't we have been about-facing? couldn't you have been about-facing? couldn't they have been about-facing?