could factor
Verbo regular: factor - factored- factored

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could factor
you could factor
he could factor
we could factor
you could factor
they could factor 	I could be factoring
you could be factoring
he could be factoring
we could be factoring
you could be factoring
they could be factoring	I could have factored
you could have factored
he could have factored
we could have factored
you could have factored
they could have factored	I could have been factoring
you could have been factoring
he could have been factoring
we could have been factoring
you could have been factoring
they could have been factoring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't factor
you couldn't factor
he couldn't factor
we couldn't factor
you couldn't factor
they couldn't factor 	I couldn't be factoring
you couldn't be factoring
he couldn't be factoring
we couldn't be factoring
you couldn't be factoring
they couldn't be factoring	I couldn't have factored
you couldn't have factored
he couldn't have factored
we couldn't have factored
you couldn't have factored
they couldn't have factored	I couldn't have been factoring
you couldn't have been factoring
he couldn't have been factoring
we couldn't have been factoring
you couldn't have been factoring
they couldn't have been factoring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I factor?
could you factor?
could he factor?
could we factor?
could you factor?
could they factor? 	could I be factoring?
could you be factoring?
could he be factoring?
could we be factoring?
could you be factoring?
could they be factoring? 	could I have factored?
could you have factored?
could he have factored?
could we have factored?
could you have factored?
could they have factored? 	could I have been factoring?
could you have been factoring?
could he have been factoring?
could we have been factoring?
could you have been factoring?
could they have been factoring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I factor?
couldn't you factor?
couldn't he factor?
couldn't we factor?
couldn't you factor?
couldn't they factor? 	couldn't I be factoring?
couldn't you be factoring?
couldn't he be factoring?
couldn't we be factoring?
couldn't you be factoring?
couldn't they be factoring? 	couldn't I have factored?
couldn't you have factored?
couldn't he have factored?
couldn't we have factored?
couldn't you have factored?
couldn't they have factored? 	couldn't I have been factoring?
couldn't you have been factoring?
couldn't he have been factoring?
couldn't we have been factoring?
couldn't you have been factoring?
couldn't they have been factoring?