I can subtract you can subtract she can subtract we can subtract you can subtract they can subtract
Forma com V-ing
I can be subtracting you can be subtracting she can be subtracting we can be subtracting you can be subtracting they can be subtracting
Perfeito
I can have subtracted you can have subtracted she can have subtracted we can have subtracted you can have subtracted they can have subtracted
Perfeito com V-ing
I can have been subtracting you can have been subtracting she can have been subtracting we can have been subtracting you can have been subtracting they can have been subtracting
Negação
Forma simple
I can't subtract you can't subtract she can't subtract we can't subtract you can't subtract they can't subtract
Forma com V-ing
I can't be subtracting you can't be subtracting she can't be subtracting we can't be subtracting you can't be subtracting they can't be subtracting
Perfeito
I can't have subtracted you can't have subtracted she can't have subtracted we can't have subtracted you can't have subtracted they can't have subtracted
Perfeito com V-ing
I can't have been subtracting you can't have been subtracting she can't have been subtracting we can't have been subtracting you can't have been subtracting they can't have been subtracting
Forma interrogativa
Forma simple
can I subtract? can you subtract? can she subtract? can we subtract? can you subtract? can they subtract?
Forma com V-ing
can I be subtracting? can you be subtracting? can she be subtracting? can we be subtracting? can you be subtracting? can they be subtracting?
Perfeito
can I have subtracted? can you have subtracted? can she have subtracted? can we have subtracted? can you have subtracted? can they have subtracted?
Perfeito com V-ing
can I have been subtracting? can you have been subtracting? can she have been subtracting? can we have been subtracting? can you have been subtracting? can they have been subtracting?
Forma interro-Negação
Forma simple
can't I subtract? can't you subtract? can't she subtract? can't we subtract? can't you subtract? can't they subtract?
Forma com V-ing
can't I be subtracting? can't you be subtracting? can't she be subtracting? can't we be subtracting? can't you be subtracting? can't they be subtracting?
Perfeito
can't I have subtracted? can't you have subtracted? can't she have subtracted? can't we have subtracted? can't you have subtracted? can't they have subtracted?
Perfeito com V-ing
can't I have been subtracting? can't you have been subtracting? can't she have been subtracting? can't we have been subtracting? can't you have been subtracting? can't they have been subtracting?