I can appeal you can appeal he can appeal we can appeal you can appeal they can appeal
V-ing form
I can be appealing you can be appealing he can be appealing we can be appealing you can be appealing they can be appealing
Perfect
I can have appealed you can have appealed he 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 he can have been appealing we can have been appealing you can have been appealing they can have been appealing
Negation
Simple form
I can't appeal you can't appeal he can't appeal we can't appeal you can't appeal they can't appeal
V-ing form
I can't be appealing you can't be appealing he can't be appealing we can't be appealing you can't be appealing they can't be appealing
Perfect
I can't have appealed you can't have appealed he can't have appealed we can't have appealed you can't have appealed they can't have appealed
V-ing perfect
I can't have been appealing you can't have been appealing he can't have been appealing we can't have been appealing you can't have been appealing they can't have been appealing
Interrogative form
Simple form
can I appeal? can you appeal? can he appeal? can we appeal? can you appeal? can they appeal?
V-ing form
can I be appealing? can you be appealing? can he be appealing? can we be appealing? can you be appealing? can they be appealing?
Perfect
can I have appealed? can you have appealed? can he 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 he have been appealing? can we have been appealing? can you have been appealing? can they have been appealing?
Interro-negative form
Simple form
can't I appeal? can't you appeal? can't he appeal? can't we appeal? can't you appeal? can't they appeal?
V-ing form
can't I be appealing? can't you be appealing? can't he be appealing? can't we be appealing? can't you be appealing? can't they be appealing?
Perfect
can't I have appealed? can't you have appealed? can't he have appealed? can't we have appealed? can't you have appealed? can't they have appealed?
V-ing perfect
can't I have been appealing? can't you have been appealing? can't he have been appealing? can't we have been appealing? can't you have been appealing? can't they have been appealing?