I can scale you can scale he can scale we can scale you can scale they can scale
Forma com V-ing
I can be scaling you can be scaling he can be scaling we can be scaling you can be scaling they can be scaling
Perfeito
I can have scaled you can have scaled he can have scaled we can have scaled you can have scaled they can have scaled
Perfeito com V-ing
I can have been scaling you can have been scaling he can have been scaling we can have been scaling you can have been scaling they can have been scaling
Negação
Forma simple
I can't scale you can't scale he can't scale we can't scale you can't scale they can't scale
Forma com V-ing
I can't be scaling you can't be scaling he can't be scaling we can't be scaling you can't be scaling they can't be scaling
Perfeito
I can't have scaled you can't have scaled he can't have scaled we can't have scaled you can't have scaled they can't have scaled
Perfeito com V-ing
I can't have been scaling you can't have been scaling he can't have been scaling we can't have been scaling you can't have been scaling they can't have been scaling
Forma interrogativa
Forma simple
can I scale? can you scale? can he scale? can we scale? can you scale? can they scale?
Forma com V-ing
can I be scaling? can you be scaling? can he be scaling? can we be scaling? can you be scaling? can they be scaling?
Perfeito
can I have scaled? can you have scaled? can he have scaled? can we have scaled? can you have scaled? can they have scaled?
Perfeito com V-ing
can I have been scaling? can you have been scaling? can he have been scaling? can we have been scaling? can you have been scaling? can they have been scaling?
Forma interro-Negação
Forma simple
can't I scale? can't you scale? can't he scale? can't we scale? can't you scale? can't they scale?
Forma com V-ing
can't I be scaling? can't you be scaling? can't he be scaling? can't we be scaling? can't you be scaling? can't they be scaling?
Perfeito
can't I have scaled? can't you have scaled? can't he have scaled? can't we have scaled? can't you have scaled? can't they have scaled?
Perfeito com V-ing
can't I have been scaling? can't you have been scaling? can't he have been scaling? can't we have been scaling? can't you have been scaling? can't they have been scaling?