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 couldn't cab you couldn't cab she couldn't cab we couldn't cab you couldn't cab they couldn't cab
Forma com V-ing
I couldn't be cabing you couldn't be cabing she couldn't be cabing we couldn't be cabing you couldn't be cabing they couldn't be cabing
Perfeito
I couldn't have cabed you couldn't have cabed she couldn't have cabed we couldn't have cabed you couldn't have cabed they couldn't have cabed
Perfeito com V-ing
I couldn't have been cabing you couldn't have been cabing she couldn't have been cabing we couldn't have been cabing you couldn't have been cabing they couldn't 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
couldn't I cab? couldn't you cab? couldn't she cab? couldn't we cab? couldn't you cab? couldn't they cab?
Forma com V-ing
couldn't I be cabing? couldn't you be cabing? couldn't she be cabing? couldn't we be cabing? couldn't you be cabing? couldn't they be cabing?
Perfeito
couldn't I have cabed? couldn't you have cabed? couldn't she have cabed? couldn't we have cabed? couldn't you have cabed? couldn't they have cabed?
Perfeito com V-ing
couldn't I have been cabing? couldn't you have been cabing? couldn't she have been cabing? couldn't we have been cabing? couldn't you have been cabing? couldn't they have been cabing?