I could shuttle you could shuttle she could shuttle we could shuttle you could shuttle they could shuttle
Forma com V-ing
I could be shuttling you could be shuttling she could be shuttling we could be shuttling you could be shuttling they could be shuttling
Perfeito
I could have shuttled you could have shuttled she could have shuttled we could have shuttled you could have shuttled they could have shuttled
Perfeito com V-ing
I could have been shuttling you could have been shuttling she could have been shuttling we could have been shuttling you could have been shuttling they could have been shuttling
Negação
Forma simple
I could not shuttle you could not shuttle she could not shuttle we could not shuttle you could not shuttle they could not shuttle
Forma com V-ing
I could not be shuttling you could not be shuttling she could not be shuttling we could not be shuttling you could not be shuttling they could not be shuttling
Perfeito
I could not have shuttled you could not have shuttled she could not have shuttled we could not have shuttled you could not have shuttled they could not have shuttled
Perfeito com V-ing
I could not have been shuttling you could not have been shuttling she could not have been shuttling we could not have been shuttling you could not have been shuttling they could not have been shuttling
Forma interrogativa
Forma simple
could I shuttle? could you shuttle? could she shuttle? could we shuttle? could you shuttle? could they shuttle?
Forma com V-ing
could I be shuttling? could you be shuttling? could she be shuttling? could we be shuttling? could you be shuttling? could they be shuttling?
Perfeito
could I have shuttled? could you have shuttled? could she have shuttled? could we have shuttled? could you have shuttled? could they have shuttled?
Perfeito com V-ing
could I have been shuttling? could you have been shuttling? could she have been shuttling? could we have been shuttling? could you have been shuttling? could they have been shuttling?
Forma interro-Negação
Forma simple
could I not shuttle? could you not shuttle? could she not shuttle? could we not shuttle? could you not shuttle? could they not shuttle?
Forma com V-ing
could I not be shuttling? could you not be shuttling? could she not be shuttling? could we not be shuttling? could you not be shuttling? could they not be shuttling?
Perfeito
could I not have shuttled? could you not have shuttled? could she not have shuttled? could we not have shuttled? could you not have shuttled? could they not have shuttled?
Perfeito com V-ing
could I not have been shuttling? could you not have been shuttling? could she not have been shuttling? could we not have been shuttling? could you not have been shuttling? could they not have been shuttling?