I could cab you could cab she could cab we could cab you could cab they could cab
Forma com V-ing
I could be cabing you could be cabing she could be cabing we could be cabing you could be cabing they could be cabing
Perfeito
I could have cabed you could have cabed she could have cabed we could have cabed you could have cabed they could have cabed
Perfeito com V-ing
I could have been cabing you could have been cabing she could have been cabing we could have been cabing you could have been cabing they could have been cabing
Negação
Forma simple
I could not cab you could not cab she could not cab we could not cab you could not cab they could not cab
Forma com V-ing
I could not be cabing you could not be cabing she could not be cabing we could not be cabing you could not be cabing they could not be cabing
Perfeito
I could not have cabed you could not have cabed she could not have cabed we could not have cabed you could not have cabed they could not have cabed
Perfeito com V-ing
I could not have been cabing you could not have been cabing she could not have been cabing we could not have been cabing you could not have been cabing they could not have been cabing
Forma interrogativa
Forma simple
could I cab? could you cab? could she cab? could we cab? could you cab? could they cab?
Forma com V-ing
could I be cabing? could you be cabing? could she be cabing? could we be cabing? could you be cabing? could they be cabing?
Perfeito
could I have cabed? could you have cabed? could she have cabed? could we have cabed? could you have cabed? could they have cabed?
Perfeito com V-ing
could I have been cabing? could you have been cabing? could she have been cabing? could we have been cabing? could you have been cabing? could they have been cabing?
Forma interro-Negação
Forma simple
could I not cab? could you not cab? could she not cab? could we not cab? could you not cab? could they not cab?
Forma com V-ing
could I not be cabing? could you not be cabing? could she not be cabing? could we not be cabing? could you not be cabing? could they not be cabing?
Perfeito
could I not have cabed? could you not have cabed? could she not have cabed? could we not have cabed? could you not have cabed? could they not have cabed?
Perfeito com V-ing
could I not have been cabing? could you not have been cabing? could she not have been cabing? could we not have been cabing? could you not have been cabing? could they not have been cabing?