I can skin you can skin he can skin we can skin you can skin they can skin
Forma com V-ing
I can be skinning you can be skinning he can be skinning we can be skinning you can be skinning they can be skinning
Perfeito
I can have skinned you can have skinned he can have skinned we can have skinned you can have skinned they can have skinned
Perfeito com V-ing
I can have been skinning you can have been skinning he can have been skinning we can have been skinning you can have been skinning they can have been skinning
Negação
Forma simple
I cannot skin you cannot skin he cannot skin we cannot skin you cannot skin they cannot skin
Forma com V-ing
I cannot be skinning you cannot be skinning he cannot be skinning we cannot be skinning you cannot be skinning they cannot be skinning
Perfeito
I cannot have skinned you cannot have skinned he cannot have skinned we cannot have skinned you cannot have skinned they cannot have skinned
Perfeito com V-ing
I cannot have been skinning you cannot have been skinning he cannot have been skinning we cannot have been skinning you cannot have been skinning they cannot have been skinning
Forma interrogativa
Forma simple
can I skin? can you skin? can he skin? can we skin? can you skin? can they skin?
Forma com V-ing
can I be skinning? can you be skinning? can he be skinning? can we be skinning? can you be skinning? can they be skinning?
Perfeito
can I have skinned? can you have skinned? can he have skinned? can we have skinned? can you have skinned? can they have skinned?
Perfeito com V-ing
can I have been skinning? can you have been skinning? can he have been skinning? can we have been skinning? can you have been skinning? can they have been skinning?
Forma interro-Negação
Forma simple
can I not skin? can you not skin? can he not skin? can we not skin? can you not skin? can they not skin?
Forma com V-ing
can I not be skinning? can you not be skinning? can he not be skinning? can we not be skinning? can you not be skinning? can they not be skinning?
Perfeito
can I not have skinned? can you not have skinned? can he not have skinned? can we not have skinned? can you not have skinned? can they not have skinned?
Perfeito com V-ing
can I not have been skinning? can you not have been skinning? can he not have been skinning? can we not have been skinning? can you not have been skinning? can they not have been skinning?