I can peal you can peal he can peal we can peal you can peal they can peal
V-ing form
I can be pealing you can be pealing he can be pealing we can be pealing you can be pealing they can be pealing
Perfect
I can have pealed you can have pealed he can have pealed we can have pealed you can have pealed they can have pealed
V-ing perfect
I can have been pealing you can have been pealing he can have been pealing we can have been pealing you can have been pealing they can have been pealing
Negation
Simple form
I can't peal you can't peal he can't peal we can't peal you can't peal they can't peal
V-ing form
I can't be pealing you can't be pealing he can't be pealing we can't be pealing you can't be pealing they can't be pealing
Perfect
I can't have pealed you can't have pealed he can't have pealed we can't have pealed you can't have pealed they can't have pealed
V-ing perfect
I can't have been pealing you can't have been pealing he can't have been pealing we can't have been pealing you can't have been pealing they can't have been pealing
Interrogative form
Simple form
can I peal? can you peal? can he peal? can we peal? can you peal? can they peal?
V-ing form
can I be pealing? can you be pealing? can he be pealing? can we be pealing? can you be pealing? can they be pealing?
Perfect
can I have pealed? can you have pealed? can he have pealed? can we have pealed? can you have pealed? can they have pealed?
V-ing perfect
can I have been pealing? can you have been pealing? can he have been pealing? can we have been pealing? can you have been pealing? can they have been pealing?
Interro-negative form
Simple form
can't I peal? can't you peal? can't he peal? can't we peal? can't you peal? can't they peal?
V-ing form
can't I be pealing? can't you be pealing? can't he be pealing? can't we be pealing? can't you be pealing? can't they be pealing?
Perfect
can't I have pealed? can't you have pealed? can't he have pealed? can't we have pealed? can't you have pealed? can't they have pealed?
V-ing perfect
can't I have been pealing? can't you have been pealing? can't he have been pealing? can't we have been pealing? can't you have been pealing? can't they have been pealing?