English verb conjugation
COULD FLUTE

Regular verb: flute - fluted - fluted

Affirmation

Simple form	V-ing form
I could flute you could flute she could flute we could flute you could flute they could flute	I could be fluting you could be fluting she could be fluting we could be fluting you could be fluting they could be fluting
Perfect	V-ing perfect
I could have fluted you could have fluted she could have fluted we could have fluted you could have fluted they could have fluted	I could have been fluting you could have been fluting she could have been fluting we could have been fluting you could have been fluting they could have been fluting

Negation

Simple form	V-ing form
I couldn't flute you couldn't flute she couldn't flute we couldn't flute you couldn't flute they couldn't flute	I couldn't be fluting you couldn't be fluting she couldn't be fluting we couldn't be fluting you couldn't be fluting they couldn't be fluting
Perfect	V-ing perfect
I couldn't have fluted you couldn't have fluted she couldn't have fluted we couldn't have fluted you couldn't have fluted they couldn't have fluted	I couldn't have been fluting you couldn't have been fluting she couldn't have been fluting we couldn't have been fluting you couldn't have been fluting they couldn't have been fluting

Interrogative form

Simple form	V-ing form
could I flute? could you flute? could she flute? could we flute? could you flute? could they flute?	could I be fluting? could you be fluting? could she be fluting? could we be fluting? could you be fluting? could they be fluting?
Perfect	V-ing perfect
could I have fluted? could you have fluted? could she have fluted? could we have fluted? could you have fluted? could they have fluted?	could I have been fluting? could you have been fluting? could she have been fluting? could we have been fluting? could you have been fluting? could they have been fluting?

Interro-negative form

Simple form	V-ing form
couldn't I flute? couldn't you flute? couldn't she flute? couldn't we flute? couldn't you flute? couldn't they flute?	couldn't I be fluting? couldn't you be fluting? couldn't she be fluting? couldn't we be fluting? couldn't you be fluting? couldn't they be fluting?
Perfect	V-ing perfect
couldn't I have fluted? couldn't you have fluted? couldn't she have fluted? couldn't we have fluted? couldn't you have fluted? couldn't they have fluted?	couldn't I have been fluting? couldn't you have been fluting? couldn't she have been fluting? couldn't we have been fluting? couldn't you have been fluting? couldn't they have been fluting?