English verb conjugation
COULD DEBUT

Regular verb: debut - debuted - debuted

Affirmation

Simple form	V-ing form
I could debut you could debut she could debut we could debut you could debut they could debut	I could be debuting you could be debuting she could be debuting we could be debuting you could be debuting they could be debuting
Perfect	V-ing perfect
I could have debuted you could have debuted she could have debuted we could have debuted you could have debuted they could have debuted	I could have been debuting you could have been debuting she could have been debuting we could have been debuting you could have been debuting they could have been debuting

Negation

Simple form	V-ing form
I couldn't debut you couldn't debut she couldn't debut we couldn't debut you couldn't debut they couldn't debut	I couldn't be debuting you couldn't be debuting she couldn't be debuting we couldn't be debuting you couldn't be debuting they couldn't be debuting
Perfect	V-ing perfect
I couldn't have debuted you couldn't have debuted she couldn't have debuted we couldn't have debuted you couldn't have debuted they couldn't have debuted	I couldn't have been debuting you couldn't have been debuting she couldn't have been debuting we couldn't have been debuting you couldn't have been debuting they couldn't have been debuting

Interrogative form

Simple form	V-ing form
could I debut? could you debut? could she debut? could we debut? could you debut? could they debut?	could I be debuting? could you be debuting? could she be debuting? could we be debuting? could you be debuting? could they be debuting?
Perfect	V-ing perfect
could I have debuted? could you have debuted? could she have debuted? could we have debuted? could you have debuted? could they have debuted?	could I have been debuting? could you have been debuting? could she have been debuting? could we have been debuting? could you have been debuting? could they have been debuting?

Interro-negative form

Simple form	V-ing form
couldn't I debut? couldn't you debut? couldn't she debut? couldn't we debut? couldn't you debut? couldn't they debut?	couldn't I be debuting? couldn't you be debuting? couldn't she be debuting? couldn't we be debuting? couldn't you be debuting? couldn't they be debuting?
Perfect	V-ing perfect
couldn't I have debuted? couldn't you have debuted? couldn't she have debuted? couldn't we have debuted? couldn't you have debuted? couldn't they have debuted?	couldn't I have been debuting? couldn't you have been debuting? couldn't she have been debuting? couldn't we have been debuting? couldn't you have been debuting? couldn't they have been debuting?