I could harp you could harp he could harp we could harp you could harp they could harp
Forma com V-ing
I could be harping you could be harping he could be harping we could be harping you could be harping they could be harping
Perfeito
I could have harped you could have harped he could have harped we could have harped you could have harped they could have harped
Perfeito com V-ing
I could have been harping you could have been harping he could have been harping we could have been harping you could have been harping they could have been harping
Negação
Forma simple
I could not harp you could not harp he could not harp we could not harp you could not harp they could not harp
Forma com V-ing
I could not be harping you could not be harping he could not be harping we could not be harping you could not be harping they could not be harping
Perfeito
I could not have harped you could not have harped he could not have harped we could not have harped you could not have harped they could not have harped
Perfeito com V-ing
I could not have been harping you could not have been harping he could not have been harping we could not have been harping you could not have been harping they could not have been harping
Forma interrogativa
Forma simple
could I harp? could you harp? could he harp? could we harp? could you harp? could they harp?
Forma com V-ing
could I be harping? could you be harping? could he be harping? could we be harping? could you be harping? could they be harping?
Perfeito
could I have harped? could you have harped? could he have harped? could we have harped? could you have harped? could they have harped?
Perfeito com V-ing
could I have been harping? could you have been harping? could he have been harping? could we have been harping? could you have been harping? could they have been harping?
Forma interro-Negação
Forma simple
could I not harp? could you not harp? could he not harp? could we not harp? could you not harp? could they not harp?
Forma com V-ing
could I not be harping? could you not be harping? could he not be harping? could we not be harping? could you not be harping? could they not be harping?
Perfeito
could I not have harped? could you not have harped? could he not have harped? could we not have harped? could you not have harped? could they not have harped?
Perfeito com V-ing
could I not have been harping? could you not have been harping? could he not have been harping? could we not have been harping? could you not have been harping? could they not have been harping?