I can leather you can leather she can leather we can leather you can leather they can leather
Forma com V-ing
I can be leathering you can be leathering she can be leathering we can be leathering you can be leathering they can be leathering
Perfeito
I can have leathered you can have leathered she 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 she 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 she cannot leather we cannot leather you cannot leather they cannot leather
Forma com V-ing
I cannot be leathering you cannot be leathering she cannot be leathering we cannot be leathering you cannot be leathering they cannot be leathering
Perfeito
I cannot have leathered you cannot have leathered she 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 she 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 she leather? can we leather? can you leather? can they leather?
Forma com V-ing
can I be leathering? can you be leathering? can she be leathering? can we be leathering? can you be leathering? can they be leathering?
Perfeito
can I have leathered? can you have leathered? can she 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 she 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 she 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 she 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 she 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 she not have been leathering? can we not have been leathering? can you not have been leathering? can they not have been leathering?