I could connect you could connect he could connect we could connect you could connect they could connect
Forma con V-ing
I could be connecting you could be connecting he could be connecting we could be connecting you could be connecting they could be connecting
Perfecto
I could have connected you could have connected he could have connected we could have connected you could have connected they could have connected
Perfecto con V-ing
I could have been connecting you could have been connecting he could have been connecting we could have been connecting you could have been connecting they could have been connecting
Negación
Forma simple
I could not connect you could not connect he could not connect we could not connect you could not connect they could not connect
Forma con V-ing
I could not be connecting you could not be connecting he could not be connecting we could not be connecting you could not be connecting they could not be connecting
Perfecto
I could not have connected you could not have connected he could not have connected we could not have connected you could not have connected they could not have connected
Perfecto con V-ing
I could not have been connecting you could not have been connecting he could not have been connecting we could not have been connecting you could not have been connecting they could not have been connecting
Forma interrogativa
Forma simple
could I connect? could you connect? could he connect? could we connect? could you connect? could they connect?
Forma con V-ing
could I be connecting? could you be connecting? could he be connecting? could we be connecting? could you be connecting? could they be connecting?
Perfecto
could I have connected? could you have connected? could he have connected? could we have connected? could you have connected? could they have connected?
Perfecto con V-ing
could I have been connecting? could you have been connecting? could he have been connecting? could we have been connecting? could you have been connecting? could they have been connecting?
Forma interro-negativa
Forma simple
could I not connect? could you not connect? could he not connect? could we not connect? could you not connect? could they not connect?
Forma con V-ing
could I not be connecting? could you not be connecting? could he not be connecting? could we not be connecting? could you not be connecting? could they not be connecting?
Perfecto
could I not have connected? could you not have connected? could he not have connected? could we not have connected? could you not have connected? could they not have connected?
Perfecto con V-ing
could I not have been connecting? could you not have been connecting? could he not have been connecting? could we not have been connecting? could you not have been connecting? could they not have been connecting?