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 couldn't inform
you couldn't inform
he couldn't inform
we couldn't inform
you couldn't inform
they couldn't inform 	I couldn't be informing
you couldn't be informing
he couldn't be informing
we couldn't be informing
you couldn't be informing
they couldn't be informing	I couldn't have informed
you couldn't have informed
he couldn't have informed
we couldn't have informed
you couldn't have informed
they couldn't have informed	I couldn't have been informing
you couldn't have been informing
he couldn't have been informing
we couldn't have been informing
you couldn't have been informing
they couldn't 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 	
couldn't I inform?
couldn't you inform?
couldn't he inform?
couldn't we inform?
couldn't you inform?
couldn't they inform? 	couldn't I be informing?
couldn't you be informing?
couldn't he be informing?
couldn't we be informing?
couldn't you be informing?
couldn't they be informing? 	couldn't I have informed?
couldn't you have informed?
couldn't he have informed?
couldn't we have informed?
couldn't you have informed?
couldn't they have informed? 	couldn't I have been informing?
couldn't you have been informing?
couldn't he have been informing?
couldn't we have been informing?
couldn't you have been informing?
couldn't they have been informing?