I can summon you can summon he can summon we can summon you can summon they can summon
Forma con V-ing
I can be summoning you can be summoning he can be summoning we can be summoning you can be summoning they can be summoning
Perfecto
I can have summoned you can have summoned he can have summoned we can have summoned you can have summoned they can have summoned
Perfecto con V-ing
I can have been summoning you can have been summoning he can have been summoning we can have been summoning you can have been summoning they can have been summoning
Negación
Forma simple
I cannot summon you cannot summon he cannot summon we cannot summon you cannot summon they cannot summon
Forma con V-ing
I cannot be summoning you cannot be summoning he cannot be summoning we cannot be summoning you cannot be summoning they cannot be summoning
Perfecto
I cannot have summoned you cannot have summoned he cannot have summoned we cannot have summoned you cannot have summoned they cannot have summoned
Perfecto con V-ing
I cannot have been summoning you cannot have been summoning he cannot have been summoning we cannot have been summoning you cannot have been summoning they cannot have been summoning
Forma interrogativa
Forma simple
can I summon? can you summon? can he summon? can we summon? can you summon? can they summon?
Forma con V-ing
can I be summoning? can you be summoning? can he be summoning? can we be summoning? can you be summoning? can they be summoning?
Perfecto
can I have summoned? can you have summoned? can he have summoned? can we have summoned? can you have summoned? can they have summoned?
Perfecto con V-ing
can I have been summoning? can you have been summoning? can he have been summoning? can we have been summoning? can you have been summoning? can they have been summoning?
Forma interro-negativa
Forma simple
can I not summon? can you not summon? can he not summon? can we not summon? can you not summon? can they not summon?
Forma con V-ing
can I not be summoning? can you not be summoning? can he not be summoning? can we not be summoning? can you not be summoning? can they not be summoning?
Perfecto
can I not have summoned? can you not have summoned? can he not have summoned? can we not have summoned? can you not have summoned? can they not have summoned?
Perfecto con V-ing
can I not have been summoning? can you not have been summoning? can he not have been summoning? can we not have been summoning? can you not have been summoning? can they not have been summoning?