Conjugación del verbo inglés
COULD SPAN

Verbo regular: span - spanned - spanned

Afirmación

Forma simple	Forma con V-ing
I could span you could span she could span we could span you could span they could span	I could be spanning you could be spanning she could be spanning we could be spanning you could be spanning they could be spanning
Perfecto	Perfecto con V-ing
I could have spanned you could have spanned she could have spanned we could have spanned you could have spanned they could have spanned	I could have been spanning you could have been spanning she could have been spanning we could have been spanning you could have been spanning they could have been spanning

Negación

Forma simple	Forma con V-ing
I could not span you could not span she could not span we could not span you could not span they could not span	I could not be spanning you could not be spanning she could not be spanning we could not be spanning you could not be spanning they could not be spanning
Perfecto	Perfecto con V-ing
I could not have spanned you could not have spanned she could not have spanned we could not have spanned you could not have spanned they could not have spanned	I could not have been spanning you could not have been spanning she could not have been spanning we could not have been spanning you could not have been spanning they could not have been spanning

Forma interrogativa

Forma simple	Forma con V-ing
could I span? could you span? could she span? could we span? could you span? could they span?	could I be spanning? could you be spanning? could she be spanning? could we be spanning? could you be spanning? could they be spanning?
Perfecto	Perfecto con V-ing
could I have spanned? could you have spanned? could she have spanned? could we have spanned? could you have spanned? could they have spanned?	could I have been spanning? could you have been spanning? could she have been spanning? could we have been spanning? could you have been spanning? could they have been spanning?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not span? could you not span? could she not span? could we not span? could you not span? could they not span?	could I not be spanning? could you not be spanning? could she not be spanning? could we not be spanning? could you not be spanning? could they not be spanning?
Perfecto	Perfecto con V-ing
could I not have spanned? could you not have spanned? could she not have spanned? could we not have spanned? could you not have spanned? could they not have spanned?	could I not have been spanning? could you not have been spanning? could she not have been spanning? could we not have been spanning? could you not have been spanning? could they not have been spanning?