I could unmask you could unmask she could unmask we could unmask you could unmask they could unmask
Forma com V-ing
I could be unmasking you could be unmasking she could be unmasking we could be unmasking you could be unmasking they could be unmasking
Perfeito
I could have unmasked you could have unmasked she could have unmasked we could have unmasked you could have unmasked they could have unmasked
Perfeito com V-ing
I could have been unmasking you could have been unmasking she could have been unmasking we could have been unmasking you could have been unmasking they could have been unmasking
Negação
Forma simple
I could not unmask you could not unmask she could not unmask we could not unmask you could not unmask they could not unmask
Forma com V-ing
I could not be unmasking you could not be unmasking she could not be unmasking we could not be unmasking you could not be unmasking they could not be unmasking
Perfeito
I could not have unmasked you could not have unmasked she could not have unmasked we could not have unmasked you could not have unmasked they could not have unmasked
Perfeito com V-ing
I could not have been unmasking you could not have been unmasking she could not have been unmasking we could not have been unmasking you could not have been unmasking they could not have been unmasking
Forma interrogativa
Forma simple
could I unmask? could you unmask? could she unmask? could we unmask? could you unmask? could they unmask?
Forma com V-ing
could I be unmasking? could you be unmasking? could she be unmasking? could we be unmasking? could you be unmasking? could they be unmasking?
Perfeito
could I have unmasked? could you have unmasked? could she have unmasked? could we have unmasked? could you have unmasked? could they have unmasked?
Perfeito com V-ing
could I have been unmasking? could you have been unmasking? could she have been unmasking? could we have been unmasking? could you have been unmasking? could they have been unmasking?
Forma interro-Negação
Forma simple
could I not unmask? could you not unmask? could she not unmask? could we not unmask? could you not unmask? could they not unmask?
Forma com V-ing
could I not be unmasking? could you not be unmasking? could she not be unmasking? could we not be unmasking? could you not be unmasking? could they not be unmasking?
Perfeito
could I not have unmasked? could you not have unmasked? could she not have unmasked? could we not have unmasked? could you not have unmasked? could they not have unmasked?
Perfeito com V-ing
could I not have been unmasking? could you not have been unmasking? could she not have been unmasking? could we not have been unmasking? could you not have been unmasking? could they not have been unmasking?