I could bar you could bar he could bar we could bar you could bar they could bar
Forma com V-ing
I could be barring you could be barring he could be barring we could be barring you could be barring they could be barring
Perfeito
I could have barred you could have barred he could have barred we could have barred you could have barred they could have barred
Perfeito com V-ing
I could have been barring you could have been barring he could have been barring we could have been barring you could have been barring they could have been barring
Negação
Forma simple
I could not bar you could not bar he could not bar we could not bar you could not bar they could not bar
Forma com V-ing
I could not be barring you could not be barring he could not be barring we could not be barring you could not be barring they could not be barring
Perfeito
I could not have barred you could not have barred he could not have barred we could not have barred you could not have barred they could not have barred
Perfeito com V-ing
I could not have been barring you could not have been barring he could not have been barring we could not have been barring you could not have been barring they could not have been barring
Forma interrogativa
Forma simple
could I bar? could you bar? could he bar? could we bar? could you bar? could they bar?
Forma com V-ing
could I be barring? could you be barring? could he be barring? could we be barring? could you be barring? could they be barring?
Perfeito
could I have barred? could you have barred? could he have barred? could we have barred? could you have barred? could they have barred?
Perfeito com V-ing
could I have been barring? could you have been barring? could he have been barring? could we have been barring? could you have been barring? could they have been barring?
Forma interro-Negação
Forma simple
could I not bar? could you not bar? could he not bar? could we not bar? could you not bar? could they not bar?
Forma com V-ing
could I not be barring? could you not be barring? could he not be barring? could we not be barring? could you not be barring? could they not be barring?
Perfeito
could I not have barred? could you not have barred? could he not have barred? could we not have barred? could you not have barred? could they not have barred?
Perfeito com V-ing
could I not have been barring? could you not have been barring? could he not have been barring? could we not have been barring? could you not have been barring? could they not have been barring?