I can foam you can foam he can foam we can foam you can foam they can foam
Forma com V-ing
I can be foaming you can be foaming he can be foaming we can be foaming you can be foaming they can be foaming
Perfeito
I can have foamed you can have foamed he can have foamed we can have foamed you can have foamed they can have foamed
Perfeito com V-ing
I can have been foaming you can have been foaming he can have been foaming we can have been foaming you can have been foaming they can have been foaming
Negação
Forma simple
I cannot foam you cannot foam he cannot foam we cannot foam you cannot foam they cannot foam
Forma com V-ing
I cannot be foaming you cannot be foaming he cannot be foaming we cannot be foaming you cannot be foaming they cannot be foaming
Perfeito
I cannot have foamed you cannot have foamed he cannot have foamed we cannot have foamed you cannot have foamed they cannot have foamed
Perfeito com V-ing
I cannot have been foaming you cannot have been foaming he cannot have been foaming we cannot have been foaming you cannot have been foaming they cannot have been foaming
Forma interrogativa
Forma simple
can I foam? can you foam? can he foam? can we foam? can you foam? can they foam?
Forma com V-ing
can I be foaming? can you be foaming? can he be foaming? can we be foaming? can you be foaming? can they be foaming?
Perfeito
can I have foamed? can you have foamed? can he have foamed? can we have foamed? can you have foamed? can they have foamed?
Perfeito com V-ing
can I have been foaming? can you have been foaming? can he have been foaming? can we have been foaming? can you have been foaming? can they have been foaming?
Forma interro-Negação
Forma simple
can I not foam? can you not foam? can he not foam? can we not foam? can you not foam? can they not foam?
Forma com V-ing
can I not be foaming? can you not be foaming? can he not be foaming? can we not be foaming? can you not be foaming? can they not be foaming?
Perfeito
can I not have foamed? can you not have foamed? can he not have foamed? can we not have foamed? can you not have foamed? can they not have foamed?
Perfeito com V-ing
can I not have been foaming? can you not have been foaming? can he not have been foaming? can we not have been foaming? can you not have been foaming? can they not have been foaming?