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