English verb conjugation
COULD WALE

Regular verb: wale - waled - waled

Affirmation

Simple form	V-ing form
I could wale you could wale he could wale we could wale you could wale they could wale	I could be waling you could be waling he could be waling we could be waling you could be waling they could be waling
Perfect	V-ing perfect
I could have waled you could have waled he could have waled we could have waled you could have waled they could have waled	I could have been waling you could have been waling he could have been waling we could have been waling you could have been waling they could have been waling

Negation

Simple form	V-ing form
I could not wale you could not wale he could not wale we could not wale you could not wale they could not wale	I could not be waling you could not be waling he could not be waling we could not be waling you could not be waling they could not be waling
Perfect	V-ing perfect
I could not have waled you could not have waled he could not have waled we could not have waled you could not have waled they could not have waled	I could not have been waling you could not have been waling he could not have been waling we could not have been waling you could not have been waling they could not have been waling

Interrogative form

Simple form	V-ing form
could I wale? could you wale? could he wale? could we wale? could you wale? could they wale?	could I be waling? could you be waling? could he be waling? could we be waling? could you be waling? could they be waling?
Perfect	V-ing perfect
could I have waled? could you have waled? could he have waled? could we have waled? could you have waled? could they have waled?	could I have been waling? could you have been waling? could he have been waling? could we have been waling? could you have been waling? could they have been waling?

Interro-negative form

Simple form	V-ing form
could I not wale? could you not wale? could he not wale? could we not wale? could you not wale? could they not wale?	could I not be waling? could you not be waling? could he not be waling? could we not be waling? could you not be waling? could they not be waling?
Perfect	V-ing perfect
could I not have waled? could you not have waled? could he not have waled? could we not have waled? could you not have waled? could they not have waled?	could I not have been waling? could you not have been waling? could he not have been waling? could we not have been waling? could you not have been waling? could they not have been waling?