would stiffen
Verbo regular: stiffen - stiffened- stiffened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I would stiffen
you would stiffen
she would stiffen
we would stiffen
you would stiffen
they would stiffen 	I would be stiffening
you would be stiffening
she would be stiffening
we would be stiffening
you would be stiffening
they would be stiffening	I would have stiffened
you would have stiffened
she would have stiffened
we would have stiffened
you would have stiffened
they would have stiffened	I would have been stiffening
you would have been stiffening
she would have been stiffening
we would have been stiffening
you would have been stiffening
they would have been stiffening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I would not stiffen
you would not stiffen
she would not stiffen
we would not stiffen
you would not stiffen
they would not stiffen 	I would not be stiffening
you would not be stiffening
she would not be stiffening
we would not be stiffening
you would not be stiffening
they would not be stiffening	I would not have stiffened
you would not have stiffened
she would not have stiffened
we would not have stiffened
you would not have stiffened
they would not have stiffened	I would not have been stiffening
you would not have been stiffening
she would not have been stiffening
we would not have been stiffening
you would not have been stiffening
they would not have been stiffening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
would I stiffen?
would you stiffen?
would she stiffen?
would we stiffen?
would you stiffen?
would they stiffen? 	would I be stiffening?
would you be stiffening?
would she be stiffening?
would we be stiffening?
would you be stiffening?
would they be stiffening? 	would I have stiffened?
would you have stiffened?
would she have stiffened?
would we have stiffened?
would you have stiffened?
would they have stiffened? 	would I have been stiffening?
would you have been stiffening?
would she have been stiffening?
would we have been stiffening?
would you have been stiffening?
would they have been stiffening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
would I not stiffen?
would you not stiffen?
would she not stiffen?
would we not stiffen?
would you not stiffen?
would they not stiffen? 	would I not be stiffening?
would you not be stiffening?
would she not be stiffening?
would we not be stiffening?
would you not be stiffening?
would they not be stiffening? 	would I not have stiffened?
would you not have stiffened?
would she not have stiffened?
would we not have stiffened?
would you not have stiffened?
would they not have stiffened? 	would I not have been stiffening?
would you not have been stiffening?
would she not have been stiffening?
would we not have been stiffening?
would you not have been stiffening?
would they not have been stiffening?