I can appeal you can appeal she can appeal we can appeal you can appeal they can appeal
V-ing form
I can be appealing you can be appealing she can be appealing we can be appealing you can be appealing they can be appealing
Perfect
I can have appealed you can have appealed she can have appealed we can have appealed you can have appealed they can have appealed
V-ing perfect
I can have been appealing you can have been appealing she can have been appealing we can have been appealing you can have been appealing they can have been appealing
Negation
Simple form
I cannot appeal you cannot appeal she cannot appeal we cannot appeal you cannot appeal they cannot appeal
V-ing form
I cannot be appealing you cannot be appealing she cannot be appealing we cannot be appealing you cannot be appealing they cannot be appealing
Perfect
I cannot have appealed you cannot have appealed she cannot have appealed we cannot have appealed you cannot have appealed they cannot have appealed
V-ing perfect
I cannot have been appealing you cannot have been appealing she cannot have been appealing we cannot have been appealing you cannot have been appealing they cannot have been appealing
Interrogative form
Simple form
can I appeal? can you appeal? can she appeal? can we appeal? can you appeal? can they appeal?
V-ing form
can I be appealing? can you be appealing? can she be appealing? can we be appealing? can you be appealing? can they be appealing?
Perfect
can I have appealed? can you have appealed? can she have appealed? can we have appealed? can you have appealed? can they have appealed?
V-ing perfect
can I have been appealing? can you have been appealing? can she have been appealing? can we have been appealing? can you have been appealing? can they have been appealing?
Interro-negative form
Simple form
can I not appeal? can you not appeal? can she not appeal? can we not appeal? can you not appeal? can they not appeal?
V-ing form
can I not be appealing? can you not be appealing? can she not be appealing? can we not be appealing? can you not be appealing? can they not be appealing?
Perfect
can I not have appealed? can you not have appealed? can she not have appealed? can we not have appealed? can you not have appealed? can they not have appealed?
V-ing perfect
can I not have been appealing? can you not have been appealing? can she not have been appealing? can we not have been appealing? can you not have been appealing? can they not have been appealing?