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 couldn't cannon you couldn't cannon he couldn't cannon we couldn't cannon you couldn't cannon they couldn't cannon	I couldn't be cannoning you couldn't be cannoning he couldn't be cannoning we couldn't be cannoning you couldn't be cannoning they couldn't be cannoning
Perfect	V-ing perfect
I couldn't have cannoned you couldn't have cannoned he couldn't have cannoned we couldn't have cannoned you couldn't have cannoned they couldn't have cannoned	I couldn't have been cannoning you couldn't have been cannoning he couldn't have been cannoning we couldn't have been cannoning you couldn't have been cannoning they couldn't 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
couldn't I cannon? couldn't you cannon? couldn't he cannon? couldn't we cannon? couldn't you cannon? couldn't they cannon?	couldn't I be cannoning? couldn't you be cannoning? couldn't he be cannoning? couldn't we be cannoning? couldn't you be cannoning? couldn't they be cannoning?
Perfect	V-ing perfect
couldn't I have cannoned? couldn't you have cannoned? couldn't he have cannoned? couldn't we have cannoned? couldn't you have cannoned? couldn't they have cannoned?	couldn't I have been cannoning? couldn't you have been cannoning? couldn't he have been cannoning? couldn't we have been cannoning? couldn't you have been cannoning? couldn't they have been cannoning?