I could brake you could brake she could brake we could brake you could brake they could brake
Forma con V-ing
I could be braking you could be braking she could be braking we could be braking you could be braking they could be braking
Perfecto
I could have braked you could have braked she could have braked we could have braked you could have braked they could have braked
Perfecto con V-ing
I could have been braking you could have been braking she could have been braking we could have been braking you could have been braking they could have been braking
Negación
Forma simple
I couldn't brake you couldn't brake she couldn't brake we couldn't brake you couldn't brake they couldn't brake
Forma con V-ing
I couldn't be braking you couldn't be braking she couldn't be braking we couldn't be braking you couldn't be braking they couldn't be braking
Perfecto
I couldn't have braked you couldn't have braked she couldn't have braked we couldn't have braked you couldn't have braked they couldn't have braked
Perfecto con V-ing
I couldn't have been braking you couldn't have been braking she couldn't have been braking we couldn't have been braking you couldn't have been braking they couldn't have been braking
Forma interrogativa
Forma simple
could I brake? could you brake? could she brake? could we brake? could you brake? could they brake?
Forma con V-ing
could I be braking? could you be braking? could she be braking? could we be braking? could you be braking? could they be braking?
Perfecto
could I have braked? could you have braked? could she have braked? could we have braked? could you have braked? could they have braked?
Perfecto con V-ing
could I have been braking? could you have been braking? could she have been braking? could we have been braking? could you have been braking? could they have been braking?
Forma interro-negativa
Forma simple
couldn't I brake? couldn't you brake? couldn't she brake? couldn't we brake? couldn't you brake? couldn't they brake?
Forma con V-ing
couldn't I be braking? couldn't you be braking? couldn't she be braking? couldn't we be braking? couldn't you be braking? couldn't they be braking?
Perfecto
couldn't I have braked? couldn't you have braked? couldn't she have braked? couldn't we have braked? couldn't you have braked? couldn't they have braked?
Perfecto con V-ing
couldn't I have been braking? couldn't you have been braking? couldn't she have been braking? couldn't we have been braking? couldn't you have been braking? couldn't they have been braking?