could inform
Verbo regular: inform - informed- informed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could inform
you could inform
he could inform
we could inform
you could inform
they could inform 	I could be informing
you could be informing
he could be informing
we could be informing
you could be informing
they could be informing	I could have informed
you could have informed
he could have informed
we could have informed
you could have informed
they could have informed	I could have been informing
you could have been informing
he could have been informing
we could have been informing
you could have been informing
they could have been informing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not inform
you could not inform
he could not inform
we could not inform
you could not inform
they could not inform 	I could not be informing
you could not be informing
he could not be informing
we could not be informing
you could not be informing
they could not be informing	I could not have informed
you could not have informed
he could not have informed
we could not have informed
you could not have informed
they could not have informed	I could not have been informing
you could not have been informing
he could not have been informing
we could not have been informing
you could not have been informing
they could not have been informing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I inform?
could you inform?
could he inform?
could we inform?
could you inform?
could they inform? 	could I be informing?
could you be informing?
could he be informing?
could we be informing?
could you be informing?
could they be informing? 	could I have informed?
could you have informed?
could he have informed?
could we have informed?
could you have informed?
could they have informed? 	could I have been informing?
could you have been informing?
could he have been informing?
could we have been informing?
could you have been informing?
could they have been informing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not inform?
could you not inform?
could he not inform?
could we not inform?
could you not inform?
could they not inform? 	could I not be informing?
could you not be informing?
could he not be informing?
could we not be informing?
could you not be informing?
could they not be informing? 	could I not have informed?
could you not have informed?
could he not have informed?
could we not have informed?
could you not have informed?
could they not have informed? 	could I not have been informing?
could you not have been informing?
could he not have been informing?
could we not have been informing?
could you not have been informing?
could they not have been informing?