I could leak you could leak he could leak we could leak you could leak they could leak
Forma con V-ing
I could be leaking you could be leaking he could be leaking we could be leaking you could be leaking they could be leaking
Perfecto
I could have leaked you could have leaked he could have leaked we could have leaked you could have leaked they could have leaked
Perfecto con V-ing
I could have been leaking you could have been leaking he could have been leaking we could have been leaking you could have been leaking they could have been leaking
Negación
Forma simple
I couldn't leak you couldn't leak he couldn't leak we couldn't leak you couldn't leak they couldn't leak
Forma con V-ing
I couldn't be leaking you couldn't be leaking he couldn't be leaking we couldn't be leaking you couldn't be leaking they couldn't be leaking
Perfecto
I couldn't have leaked you couldn't have leaked he couldn't have leaked we couldn't have leaked you couldn't have leaked they couldn't have leaked
Perfecto con V-ing
I couldn't have been leaking you couldn't have been leaking he couldn't have been leaking we couldn't have been leaking you couldn't have been leaking they couldn't have been leaking
Forma interrogativa
Forma simple
could I leak? could you leak? could he leak? could we leak? could you leak? could they leak?
Forma con V-ing
could I be leaking? could you be leaking? could he be leaking? could we be leaking? could you be leaking? could they be leaking?
Perfecto
could I have leaked? could you have leaked? could he have leaked? could we have leaked? could you have leaked? could they have leaked?
Perfecto con V-ing
could I have been leaking? could you have been leaking? could he have been leaking? could we have been leaking? could you have been leaking? could they have been leaking?
Forma interro-negativa
Forma simple
couldn't I leak? couldn't you leak? couldn't he leak? couldn't we leak? couldn't you leak? couldn't they leak?
Forma con V-ing
couldn't I be leaking? couldn't you be leaking? couldn't he be leaking? couldn't we be leaking? couldn't you be leaking? couldn't they be leaking?
Perfecto
couldn't I have leaked? couldn't you have leaked? couldn't he have leaked? couldn't we have leaked? couldn't you have leaked? couldn't they have leaked?
Perfecto con V-ing
couldn't I have been leaking? couldn't you have been leaking? couldn't he have been leaking? couldn't we have been leaking? couldn't you have been leaking? couldn't they have been leaking?