English verb conjugation
COULD CANNON

Regular verb: cannon - cannoned - cannoned

Affirmation

Simple form	V-ing form
I could cannon you could cannon he could cannon we could cannon you could cannon they could cannon	I could be cannoning you could be cannoning he could be cannoning we could be cannoning you could be cannoning they could be cannoning
Perfect	V-ing perfect
I could have cannoned you could have cannoned he could have cannoned we could have cannoned you could have cannoned they could have cannoned	I could have been cannoning you could have been cannoning he could have been cannoning we could have been cannoning you could have been cannoning they could have been cannoning

Negation

Simple form	V-ing form
I could not cannon you could not cannon he could not cannon we could not cannon you could not cannon they could not cannon	I could not be cannoning you could not be cannoning he could not be cannoning we could not be cannoning you could not be cannoning they could not be cannoning
Perfect	V-ing perfect
I could not have cannoned you could not have cannoned he could not have cannoned we could not have cannoned you could not have cannoned they could not have cannoned	I could not have been cannoning you could not have been cannoning he could not have been cannoning we could not have been cannoning you could not have been cannoning they could not have been cannoning

Interrogative form

Simple form	V-ing form
could I cannon? could you cannon? could he cannon? could we cannon? could you cannon? could they cannon?	could I be cannoning? could you be cannoning? could he be cannoning? could we be cannoning? could you be cannoning? could they be cannoning?
Perfect	V-ing perfect
could I have cannoned? could you have cannoned? could he have cannoned? could we have cannoned? could you have cannoned? could they have cannoned?	could I have been cannoning? could you have been cannoning? could he have been cannoning? could we have been cannoning? could you have been cannoning? could they have been cannoning?

Interro-negative form

Simple form	V-ing form
could I not cannon? could you not cannon? could he not cannon? could we not cannon? could you not cannon? could they not cannon?	could I not be cannoning? could you not be cannoning? could he not be cannoning? could we not be cannoning? could you not be cannoning? could they not be cannoning?
Perfect	V-ing perfect
could I not have cannoned? could you not have cannoned? could he not have cannoned? could we not have cannoned? could you not have cannoned? could they not have cannoned?	could I not have been cannoning? could you not have been cannoning? could he not have been cannoning? could we not have been cannoning? could you not have been cannoning? could they not have been cannoning?