Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can unleather you can unleather he can unleather we can unleather you can unleather they can unleather
V-ing form
I can be unleathering you can be unleathering he can be unleathering we can be unleathering you can be unleathering they can be unleathering
Perfect
I can have unleathered you can have unleathered he can have unleathered we can have unleathered you can have unleathered they can have unleathered
V-ing perfect
I can have been unleathering you can have been unleathering he can have been unleathering we can have been unleathering you can have been unleathering they can have been unleathering
Negation
Simple form
I can't unleather you can't unleather he can't unleather we can't unleather you can't unleather they can't unleather
V-ing form
I can't be unleathering you can't be unleathering he can't be unleathering we can't be unleathering you can't be unleathering they can't be unleathering
Perfect
I can't have unleathered you can't have unleathered he can't have unleathered we can't have unleathered you can't have unleathered they can't have unleathered
V-ing perfect
I can't have been unleathering you can't have been unleathering he can't have been unleathering we can't have been unleathering you can't have been unleathering they can't have been unleathering
Interrogative form
Simple form
can I unleather? can you unleather? can he unleather? can we unleather? can you unleather? can they unleather?
V-ing form
can I be unleathering? can you be unleathering? can he be unleathering? can we be unleathering? can you be unleathering? can they be unleathering?
Perfect
can I have unleathered? can you have unleathered? can he have unleathered? can we have unleathered? can you have unleathered? can they have unleathered?
V-ing perfect
can I have been unleathering? can you have been unleathering? can he have been unleathering? can we have been unleathering? can you have been unleathering? can they have been unleathering?
Interro-negative form
Simple form
can't I unleather? can't you unleather? can't he unleather? can't we unleather? can't you unleather? can't they unleather?
V-ing form
can't I be unleathering? can't you be unleathering? can't he be unleathering? can't we be unleathering? can't you be unleathering? can't they be unleathering?
Perfect
can't I have unleathered? can't you have unleathered? can't he have unleathered? can't we have unleathered? can't you have unleathered? can't they have unleathered?
V-ing perfect
can't I have been unleathering? can't you have been unleathering? can't he have been unleathering? can't we have been unleathering? can't you have been unleathering? can't they have been unleathering?