I could flock you could flock he could flock we could flock you could flock they could flock
Forma con V-ing
I could be flocking you could be flocking he could be flocking we could be flocking you could be flocking they could be flocking
Perfecto
I could have flocked you could have flocked he could have flocked we could have flocked you could have flocked they could have flocked
Perfecto con V-ing
I could have been flocking you could have been flocking he could have been flocking we could have been flocking you could have been flocking they could have been flocking
Negación
Forma simple
I could not flock you could not flock he could not flock we could not flock you could not flock they could not flock
Forma con V-ing
I could not be flocking you could not be flocking he could not be flocking we could not be flocking you could not be flocking they could not be flocking
Perfecto
I could not have flocked you could not have flocked he could not have flocked we could not have flocked you could not have flocked they could not have flocked
Perfecto con V-ing
I could not have been flocking you could not have been flocking he could not have been flocking we could not have been flocking you could not have been flocking they could not have been flocking
Forma interrogativa
Forma simple
could I flock? could you flock? could he flock? could we flock? could you flock? could they flock?
Forma con V-ing
could I be flocking? could you be flocking? could he be flocking? could we be flocking? could you be flocking? could they be flocking?
Perfecto
could I have flocked? could you have flocked? could he have flocked? could we have flocked? could you have flocked? could they have flocked?
Perfecto con V-ing
could I have been flocking? could you have been flocking? could he have been flocking? could we have been flocking? could you have been flocking? could they have been flocking?
Forma interro-negativa
Forma simple
could I not flock? could you not flock? could he not flock? could we not flock? could you not flock? could they not flock?
Forma con V-ing
could I not be flocking? could you not be flocking? could he not be flocking? could we not be flocking? could you not be flocking? could they not be flocking?
Perfecto
could I not have flocked? could you not have flocked? could he not have flocked? could we not have flocked? could you not have flocked? could they not have flocked?
Perfecto con V-ing
could I not have been flocking? could you not have been flocking? could he not have been flocking? could we not have been flocking? could you not have been flocking? could they not have been flocking?