I could appeal you could appeal he could appeal we could appeal you could appeal they could appeal
Forma com V-ing
I could be appealing you could be appealing he could be appealing we could be appealing you could be appealing they could be appealing
Perfeito
I could have appealed you could have appealed he could have appealed we could have appealed you could have appealed they could have appealed
Perfeito com V-ing
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
Negação
Forma simple
I could not appeal you could not appeal he could not appeal we could not appeal you could not appeal they could not appeal
Forma com V-ing
I could not be appealing you could not be appealing he could not be appealing we could not be appealing you could not be appealing they could not be appealing
Perfeito
I could not have appealed you could not have appealed he could not have appealed we could not have appealed you could not have appealed they could not have appealed
Perfeito com V-ing
I could not have been appealing you could not have been appealing he could not have been appealing we could not have been appealing you could not have been appealing they could not have been appealing
Forma interrogativa
Forma simple
could I appeal? could you appeal? could he appeal? could we appeal? could you appeal? could they appeal?
Forma com V-ing
could I be appealing? could you be appealing? could he be appealing? could we be appealing? could you be appealing? could they be appealing?
Perfeito
could I have appealed? could you have appealed? could he have appealed? could we have appealed? could you have appealed? could they have appealed?
Perfeito com V-ing
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?
Forma interro-Negação
Forma simple
could I not appeal? could you not appeal? could he not appeal? could we not appeal? could you not appeal? could they not appeal?
Forma com V-ing
could I not be appealing? could you not be appealing? could he not be appealing? could we not be appealing? could you not be appealing? could they not be appealing?
Perfeito
could I not have appealed? could you not have appealed? could he not have appealed? could we not have appealed? could you not have appealed? could they not have appealed?
Perfeito com V-ing
could I not have been appealing? could you not have been appealing? could he not have been appealing? could we not have been appealing? could you not have been appealing? could they not have been appealing?