I can leather you can leather he can leather we can leather you can leather they can leather
Forma com V-ing
I can be leathering you can be leathering he can be leathering we can be leathering you can be leathering they can be leathering
Perfeito
I can have leathered you can have leathered he can have leathered we can have leathered you can have leathered they can have leathered
Perfeito com V-ing
I can have been leathering you can have been leathering he can have been leathering we can have been leathering you can have been leathering they can have been leathering
Negação
Forma simple
I cannot leather you cannot leather he cannot leather we cannot leather you cannot leather they cannot leather
Forma com V-ing
I cannot be leathering you cannot be leathering he cannot be leathering we cannot be leathering you cannot be leathering they cannot be leathering
Perfeito
I cannot have leathered you cannot have leathered he cannot have leathered we cannot have leathered you cannot have leathered they cannot have leathered
Perfeito com V-ing
I cannot have been leathering you cannot have been leathering he cannot have been leathering we cannot have been leathering you cannot have been leathering they cannot have been leathering
Forma interrogativa
Forma simple
can I leather? can you leather? can he leather? can we leather? can you leather? can they leather?
Forma com V-ing
can I be leathering? can you be leathering? can he be leathering? can we be leathering? can you be leathering? can they be leathering?
Perfeito
can I have leathered? can you have leathered? can he have leathered? can we have leathered? can you have leathered? can they have leathered?
Perfeito com V-ing
can I have been leathering? can you have been leathering? can he have been leathering? can we have been leathering? can you have been leathering? can they have been leathering?
Forma interro-Negação
Forma simple
can I not leather? can you not leather? can he not leather? can we not leather? can you not leather? can they not leather?
Forma com V-ing
can I not be leathering? can you not be leathering? can he not be leathering? can we not be leathering? can you not be leathering? can they not be leathering?
Perfeito
can I not have leathered? can you not have leathered? can he not have leathered? can we not have leathered? can you not have leathered? can they not have leathered?
Perfeito com V-ing
can I not have been leathering? can you not have been leathering? can he not have been leathering? can we not have been leathering? can you not have been leathering? can they not have been leathering?