could madden
Verbo regular: madden - maddened- maddened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could madden
you could madden
he could madden
we could madden
you could madden
they could madden 	I could be maddening
you could be maddening
he could be maddening
we could be maddening
you could be maddening
they could be maddening	I could have maddened
you could have maddened
he could have maddened
we could have maddened
you could have maddened
they could have maddened	I could have been maddening
you could have been maddening
he could have been maddening
we could have been maddening
you could have been maddening
they could have been maddening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not madden
you could not madden
he could not madden
we could not madden
you could not madden
they could not madden 	I could not be maddening
you could not be maddening
he could not be maddening
we could not be maddening
you could not be maddening
they could not be maddening	I could not have maddened
you could not have maddened
he could not have maddened
we could not have maddened
you could not have maddened
they could not have maddened	I could not have been maddening
you could not have been maddening
he could not have been maddening
we could not have been maddening
you could not have been maddening
they could not have been maddening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I madden?
could you madden?
could he madden?
could we madden?
could you madden?
could they madden? 	could I be maddening?
could you be maddening?
could he be maddening?
could we be maddening?
could you be maddening?
could they be maddening? 	could I have maddened?
could you have maddened?
could he have maddened?
could we have maddened?
could you have maddened?
could they have maddened? 	could I have been maddening?
could you have been maddening?
could he have been maddening?
could we have been maddening?
could you have been maddening?
could they have been maddening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not madden?
could you not madden?
could he not madden?
could we not madden?
could you not madden?
could they not madden? 	could I not be maddening?
could you not be maddening?
could he not be maddening?
could we not be maddening?
could you not be maddening?
could they not be maddening? 	could I not have maddened?
could you not have maddened?
could he not have maddened?
could we not have maddened?
could you not have maddened?
could they not have maddened? 	could I not have been maddening?
could you not have been maddening?
could he not have been maddening?
could we not have been maddening?
could you not have been maddening?
could they not have been maddening?