English verb conjugation
COULD PALE

Regular verb: pale - paled - paled

Affirmation

Simple form	V-ing form
I could pale you could pale she could pale we could pale you could pale they could pale	I could be paling you could be paling she could be paling we could be paling you could be paling they could be paling
Perfect	V-ing perfect
I could have paled you could have paled she could have paled we could have paled you could have paled they could have paled	I could have been paling you could have been paling she could have been paling we could have been paling you could have been paling they could have been paling

Negation

Simple form	V-ing form
I could not pale you could not pale she could not pale we could not pale you could not pale they could not pale	I could not be paling you could not be paling she could not be paling we could not be paling you could not be paling they could not be paling
Perfect	V-ing perfect
I could not have paled you could not have paled she could not have paled we could not have paled you could not have paled they could not have paled	I could not have been paling you could not have been paling she could not have been paling we could not have been paling you could not have been paling they could not have been paling

Interrogative form

Simple form	V-ing form
could I pale? could you pale? could she pale? could we pale? could you pale? could they pale?	could I be paling? could you be paling? could she be paling? could we be paling? could you be paling? could they be paling?
Perfect	V-ing perfect
could I have paled? could you have paled? could she have paled? could we have paled? could you have paled? could they have paled?	could I have been paling? could you have been paling? could she have been paling? could we have been paling? could you have been paling? could they have been paling?

Interro-negative form

Simple form	V-ing form
could I not pale? could you not pale? could she not pale? could we not pale? could you not pale? could they not pale?	could I not be paling? could you not be paling? could she not be paling? could we not be paling? could you not be paling? could they not be paling?
Perfect	V-ing perfect
could I not have paled? could you not have paled? could she not have paled? could we not have paled? could you not have paled? could they not have paled?	could I not have been paling? could you not have been paling? could she not have been paling? could we not have been paling? could you not have been paling? could they not have been paling?