English verb conjugation
COULD APPEAL

Regular verb: appeal - appealed - appealed

Affirmation

Simple form	V-ing form
I could appeal you could appeal he could appeal we could appeal you could appeal they could appeal	I could be appealing you could be appealing he could be appealing we could be appealing you could be appealing they could be appealing
Perfect	V-ing perfect
I could have appealed you could have appealed he could have appealed we could have appealed you could have appealed they could have appealed	I could have been appealing you could have been appealing he could have been appealing we could have been appealing you could have been appealing they could have been appealing

Negation

Simple form	V-ing form
I couldn't appeal you couldn't appeal he couldn't appeal we couldn't appeal you couldn't appeal they couldn't appeal	I couldn't be appealing you couldn't be appealing he couldn't be appealing we couldn't be appealing you couldn't be appealing they couldn't be appealing
Perfect	V-ing perfect
I couldn't have appealed you couldn't have appealed he couldn't have appealed we couldn't have appealed you couldn't have appealed they couldn't have appealed	I couldn't have been appealing you couldn't have been appealing he couldn't have been appealing we couldn't have been appealing you couldn't have been appealing they couldn't have been appealing

Interrogative form

Simple form	V-ing form
could I appeal? could you appeal? could he appeal? could we appeal? could you appeal? could they appeal?	could I be appealing? could you be appealing? could he be appealing? could we be appealing? could you be appealing? could they be appealing?
Perfect	V-ing perfect
could I have appealed? could you have appealed? could he have appealed? could we have appealed? could you have appealed? could they have appealed?	could I have been appealing? could you have been appealing? could he have been appealing? could we have been appealing? could you have been appealing? could they have been appealing?

Interro-negative form

Simple form	V-ing form
couldn't I appeal? couldn't you appeal? couldn't he appeal? couldn't we appeal? couldn't you appeal? couldn't they appeal?	couldn't I be appealing? couldn't you be appealing? couldn't he be appealing? couldn't we be appealing? couldn't you be appealing? couldn't they be appealing?
Perfect	V-ing perfect
couldn't I have appealed? couldn't you have appealed? couldn't he have appealed? couldn't we have appealed? couldn't you have appealed? couldn't they have appealed?	couldn't I have been appealing? couldn't you have been appealing? couldn't he have been appealing? couldn't we have been appealing? couldn't you have been appealing? couldn't they have been appealing?