Conjugación del verbo inglés
COULD SUMMON

Verbo regular: summon - summoned - summoned

Afirmación

Forma simple	Forma con V-ing
I could summon you could summon he could summon we could summon you could summon they could summon	I could be summoning you could be summoning he could be summoning we could be summoning you could be summoning they could be summoning
Perfecto	Perfecto con V-ing
I could have summoned you could have summoned he could have summoned we could have summoned you could have summoned they could have summoned	I could have been summoning you could have been summoning he could have been summoning we could have been summoning you could have been summoning they could have been summoning

Negación

Forma simple	Forma con V-ing
I could not summon you could not summon he could not summon we could not summon you could not summon they could not summon	I could not be summoning you could not be summoning he could not be summoning we could not be summoning you could not be summoning they could not be summoning
Perfecto	Perfecto con V-ing
I could not have summoned you could not have summoned he could not have summoned we could not have summoned you could not have summoned they could not have summoned	I could not have been summoning you could not have been summoning he could not have been summoning we could not have been summoning you could not have been summoning they could not have been summoning

Forma interrogativa

Forma simple	Forma con V-ing
could I summon? could you summon? could he summon? could we summon? could you summon? could they summon?	could I be summoning? could you be summoning? could he be summoning? could we be summoning? could you be summoning? could they be summoning?
Perfecto	Perfecto con V-ing
could I have summoned? could you have summoned? could he have summoned? could we have summoned? could you have summoned? could they have summoned?	could I have been summoning? could you have been summoning? could he have been summoning? could we have been summoning? could you have been summoning? could they have been summoning?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not summon? could you not summon? could he not summon? could we not summon? could you not summon? could they not summon?	could I not be summoning? could you not be summoning? could he not be summoning? could we not be summoning? could you not be summoning? could they not be summoning?
Perfecto	Perfecto con V-ing
could I not have summoned? could you not have summoned? could he not have summoned? could we not have summoned? could you not have summoned? could they not have summoned?	could I not have been summoning? could you not have been summoning? could he not have been summoning? could we not have been summoning? could you not have been summoning? could they not have been summoning?