could redden
Verbo regular: redden - reddened- reddened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could redden
you could redden
he could redden
we could redden
you could redden
they could redden 	I could be reddening
you could be reddening
he could be reddening
we could be reddening
you could be reddening
they could be reddening	I could have reddened
you could have reddened
he could have reddened
we could have reddened
you could have reddened
they could have reddened	I could have been reddening
you could have been reddening
he could have been reddening
we could have been reddening
you could have been reddening
they could have been reddening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not redden
you could not redden
he could not redden
we could not redden
you could not redden
they could not redden 	I could not be reddening
you could not be reddening
he could not be reddening
we could not be reddening
you could not be reddening
they could not be reddening	I could not have reddened
you could not have reddened
he could not have reddened
we could not have reddened
you could not have reddened
they could not have reddened	I could not have been reddening
you could not have been reddening
he could not have been reddening
we could not have been reddening
you could not have been reddening
they could not have been reddening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I redden?
could you redden?
could he redden?
could we redden?
could you redden?
could they redden? 	could I be reddening?
could you be reddening?
could he be reddening?
could we be reddening?
could you be reddening?
could they be reddening? 	could I have reddened?
could you have reddened?
could he have reddened?
could we have reddened?
could you have reddened?
could they have reddened? 	could I have been reddening?
could you have been reddening?
could he have been reddening?
could we have been reddening?
could you have been reddening?
could they have been reddening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not redden?
could you not redden?
could he not redden?
could we not redden?
could you not redden?
could they not redden? 	could I not be reddening?
could you not be reddening?
could he not be reddening?
could we not be reddening?
could you not be reddening?
could they not be reddening? 	could I not have reddened?
could you not have reddened?
could he not have reddened?
could we not have reddened?
could you not have reddened?
could they not have reddened? 	could I not have been reddening?
could you not have been reddening?
could he not have been reddening?
could we not have been reddening?
could you not have been reddening?
could they not have been reddening?