Conjugación del verbo inglés
COULD EXPOUND

Verbo regular: expound - expounded - expounded

Afirmación

Forma simple	Forma con V-ing
I could expound you could expound he could expound we could expound you could expound they could expound	I could be expounding you could be expounding he could be expounding we could be expounding you could be expounding they could be expounding
Perfecto	Perfecto con V-ing
I could have expounded you could have expounded he could have expounded we could have expounded you could have expounded they could have expounded	I could have been expounding you could have been expounding he could have been expounding we could have been expounding you could have been expounding they could have been expounding

Negación

Forma simple	Forma con V-ing
I could not expound you could not expound he could not expound we could not expound you could not expound they could not expound	I could not be expounding you could not be expounding he could not be expounding we could not be expounding you could not be expounding they could not be expounding
Perfecto	Perfecto con V-ing
I could not have expounded you could not have expounded he could not have expounded we could not have expounded you could not have expounded they could not have expounded	I could not have been expounding you could not have been expounding he could not have been expounding we could not have been expounding you could not have been expounding they could not have been expounding

Forma interrogativa

Forma simple	Forma con V-ing
could I expound? could you expound? could he expound? could we expound? could you expound? could they expound?	could I be expounding? could you be expounding? could he be expounding? could we be expounding? could you be expounding? could they be expounding?
Perfecto	Perfecto con V-ing
could I have expounded? could you have expounded? could he have expounded? could we have expounded? could you have expounded? could they have expounded?	could I have been expounding? could you have been expounding? could he have been expounding? could we have been expounding? could you have been expounding? could they have been expounding?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not expound? could you not expound? could he not expound? could we not expound? could you not expound? could they not expound?	could I not be expounding? could you not be expounding? could he not be expounding? could we not be expounding? could you not be expounding? could they not be expounding?
Perfecto	Perfecto con V-ing
could I not have expounded? could you not have expounded? could he not have expounded? could we not have expounded? could you not have expounded? could they not have expounded?	could I not have been expounding? could you not have been expounding? could he not have been expounding? could we not have been expounding? could you not have been expounding? could they not have been expounding?