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