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