could preside
Verbo regular: preside - presided- presided

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could preside
you could preside
he could preside
we could preside
you could preside
they could preside 	I could be presiding
you could be presiding
he could be presiding
we could be presiding
you could be presiding
they could be presiding	I could have presided
you could have presided
he could have presided
we could have presided
you could have presided
they could have presided	I could have been presiding
you could have been presiding
he could have been presiding
we could have been presiding
you could have been presiding
they could have been presiding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not preside
you could not preside
he could not preside
we could not preside
you could not preside
they could not preside 	I could not be presiding
you could not be presiding
he could not be presiding
we could not be presiding
you could not be presiding
they could not be presiding	I could not have presided
you could not have presided
he could not have presided
we could not have presided
you could not have presided
they could not have presided	I could not have been presiding
you could not have been presiding
he could not have been presiding
we could not have been presiding
you could not have been presiding
they could not have been presiding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I preside?
could you preside?
could he preside?
could we preside?
could you preside?
could they preside? 	could I be presiding?
could you be presiding?
could he be presiding?
could we be presiding?
could you be presiding?
could they be presiding? 	could I have presided?
could you have presided?
could he have presided?
could we have presided?
could you have presided?
could they have presided? 	could I have been presiding?
could you have been presiding?
could he have been presiding?
could we have been presiding?
could you have been presiding?
could they have been presiding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not preside?
could you not preside?
could he not preside?
could we not preside?
could you not preside?
could they not preside? 	could I not be presiding?
could you not be presiding?
could he not be presiding?
could we not be presiding?
could you not be presiding?
could they not be presiding? 	could I not have presided?
could you not have presided?
could he not have presided?
could we not have presided?
could you not have presided?
could they not have presided? 	could I not have been presiding?
could you not have been presiding?
could he not have been presiding?
could we not have been presiding?
could you not have been presiding?
could they not have been presiding?