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 couldn't pale you couldn't pale she couldn't pale we couldn't pale you couldn't pale they couldn't pale	I couldn't be paling you couldn't be paling she couldn't be paling we couldn't be paling you couldn't be paling they couldn't be paling
Perfect	V-ing perfect
I couldn't have paled you couldn't have paled she couldn't have paled we couldn't have paled you couldn't have paled they couldn't have paled	I couldn't have been paling you couldn't have been paling she couldn't have been paling we couldn't have been paling you couldn't have been paling they couldn't 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
couldn't I pale? couldn't you pale? couldn't she pale? couldn't we pale? couldn't you pale? couldn't they pale?	couldn't I be paling? couldn't you be paling? couldn't she be paling? couldn't we be paling? couldn't you be paling? couldn't they be paling?
Perfect	V-ing perfect
couldn't I have paled? couldn't you have paled? couldn't she have paled? couldn't we have paled? couldn't you have paled? couldn't they have paled?	couldn't I have been paling? couldn't you have been paling? couldn't she have been paling? couldn't we have been paling? couldn't you have been paling? couldn't they have been paling?