can summon
Verbo regular: summon - summoned- summoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can summon
you can summon
he can summon
we can summon
you can summon
they can summon 	I can be summoning
you can be summoning
he can be summoning
we can be summoning
you can be summoning
they can be summoning	I can have summoned
you can have summoned
he can have summoned
we can have summoned
you can have summoned
they can have summoned	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't summon
you can't summon
he can't summon
we can't summon
you can't summon
they can't summon 	I can't be summoning
you can't be summoning
he can't be summoning
we can't be summoning
you can't be summoning
they can't be summoning	I can't have summoned
you can't have summoned
he can't have summoned
we can't have summoned
you can't have summoned
they can't have summoned	I can't have been summoning
you can't have been summoning
he can't have been summoning
we can't have been summoning
you can't have been summoning
they can't have been summoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I summon?
can you summon?
can he summon?
can we summon?
can you summon?
can they summon? 	can I be summoning?
can you be summoning?
can he be summoning?
can we be summoning?
can you be summoning?
can they be summoning? 	can I have summoned?
can you have summoned?
can he have summoned?
can we have summoned?
can you have summoned?
can they have summoned? 	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I summon?
can't you summon?
can't he summon?
can't we summon?
can't you summon?
can't they summon? 	can't I be summoning?
can't you be summoning?
can't he be summoning?
can't we be summoning?
can't you be summoning?
can't they be summoning? 	can't I have summoned?
can't you have summoned?
can't he have summoned?
can't we have summoned?
can't you have summoned?
can't they have summoned? 	can't I have been summoning?
can't you have been summoning?
can't he have been summoning?
can't we have been summoning?
can't you have been summoning?
can't they have been summoning?