English verb conjugation
COULD FOAL

Regular verb: foal - foaled - foaled

Affirmation

Simple form	V-ing form
I could foal you could foal she could foal we could foal you could foal they could foal	I could be foaling you could be foaling she could be foaling we could be foaling you could be foaling they could be foaling
Perfect	V-ing perfect
I could have foaled you could have foaled she could have foaled we could have foaled you could have foaled they could have foaled	I could have been foaling you could have been foaling she could have been foaling we could have been foaling you could have been foaling they could have been foaling

Negation

Simple form	V-ing form
I couldn't foal you couldn't foal she couldn't foal we couldn't foal you couldn't foal they couldn't foal	I couldn't be foaling you couldn't be foaling she couldn't be foaling we couldn't be foaling you couldn't be foaling they couldn't be foaling
Perfect	V-ing perfect
I couldn't have foaled you couldn't have foaled she couldn't have foaled we couldn't have foaled you couldn't have foaled they couldn't have foaled	I couldn't have been foaling you couldn't have been foaling she couldn't have been foaling we couldn't have been foaling you couldn't have been foaling they couldn't have been foaling

Interrogative form

Simple form	V-ing form
could I foal? could you foal? could she foal? could we foal? could you foal? could they foal?	could I be foaling? could you be foaling? could she be foaling? could we be foaling? could you be foaling? could they be foaling?
Perfect	V-ing perfect
could I have foaled? could you have foaled? could she have foaled? could we have foaled? could you have foaled? could they have foaled?	could I have been foaling? could you have been foaling? could she have been foaling? could we have been foaling? could you have been foaling? could they have been foaling?

Interro-negative form

Simple form	V-ing form
couldn't I foal? couldn't you foal? couldn't she foal? couldn't we foal? couldn't you foal? couldn't they foal?	couldn't I be foaling? couldn't you be foaling? couldn't she be foaling? couldn't we be foaling? couldn't you be foaling? couldn't they be foaling?
Perfect	V-ing perfect
couldn't I have foaled? couldn't you have foaled? couldn't she have foaled? couldn't we have foaled? couldn't you have foaled? couldn't they have foaled?	couldn't I have been foaling? couldn't you have been foaling? couldn't she have been foaling? couldn't we have been foaling? couldn't you have been foaling? couldn't they have been foaling?