I could lunch you could lunch he could lunch we could lunch you could lunch they could lunch
Forma con V-ing
I could be lunching you could be lunching he could be lunching we could be lunching you could be lunching they could be lunching
Perfecto
I could have lunched you could have lunched he could have lunched we could have lunched you could have lunched they could have lunched
Perfecto con V-ing
I could have been lunching you could have been lunching he could have been lunching we could have been lunching you could have been lunching they could have been lunching
Negación
Forma simple
I could not lunch you could not lunch he could not lunch we could not lunch you could not lunch they could not lunch
Forma con V-ing
I could not be lunching you could not be lunching he could not be lunching we could not be lunching you could not be lunching they could not be lunching
Perfecto
I could not have lunched you could not have lunched he could not have lunched we could not have lunched you could not have lunched they could not have lunched
Perfecto con V-ing
I could not have been lunching you could not have been lunching he could not have been lunching we could not have been lunching you could not have been lunching they could not have been lunching
Forma interrogativa
Forma simple
could I lunch? could you lunch? could he lunch? could we lunch? could you lunch? could they lunch?
Forma con V-ing
could I be lunching? could you be lunching? could he be lunching? could we be lunching? could you be lunching? could they be lunching?
Perfecto
could I have lunched? could you have lunched? could he have lunched? could we have lunched? could you have lunched? could they have lunched?
Perfecto con V-ing
could I have been lunching? could you have been lunching? could he have been lunching? could we have been lunching? could you have been lunching? could they have been lunching?
Forma interro-negativa
Forma simple
could I not lunch? could you not lunch? could he not lunch? could we not lunch? could you not lunch? could they not lunch?
Forma con V-ing
could I not be lunching? could you not be lunching? could he not be lunching? could we not be lunching? could you not be lunching? could they not be lunching?
Perfecto
could I not have lunched? could you not have lunched? could he not have lunched? could we not have lunched? could you not have lunched? could they not have lunched?
Perfecto con V-ing
could I not have been lunching? could you not have been lunching? could he not have been lunching? could we not have been lunching? could you not have been lunching? could they not have been lunching?