will stiffen
Verbo regolare: stiffen - stiffened- stiffened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I'll stiffen
you'll stiffen
he'll stiffen
we'll stiffen
you'll stiffen
they'll stiffen 	I'll be stiffening
you'll be stiffening
he'll be stiffening
we'll be stiffening
you'll be stiffening
they'll be stiffening	I'll have stiffened
you'll have stiffened
he'll have stiffened
we'll have stiffened
you'll have stiffened
they'll have stiffened	I'll have been stiffening
you'll have been stiffening
he'll have been stiffening
we'll have been stiffening
you'll have been stiffening
they'll have been stiffening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I won't stiffen
you won't stiffen
he won't stiffen
we won't stiffen
you won't stiffen
they won't stiffen 	I won't be stiffening
you won't be stiffening
he won't be stiffening
we won't be stiffening
you won't be stiffening
they won't be stiffening	I won't have stiffened
you won't have stiffened
he won't have stiffened
we won't have stiffened
you won't have stiffened
they won't have stiffened	I won't have been stiffening
you won't have been stiffening
he won't have been stiffening
we won't have been stiffening
you won't have been stiffening
they won't have been stiffening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
will I stiffen?
will you stiffen?
will he stiffen?
will we stiffen?
will you stiffen?
will they stiffen? 	will I be stiffening?
will you be stiffening?
will he be stiffening?
will we be stiffening?
will you be stiffening?
will they be stiffening? 	will I have stiffened?
will you have stiffened?
will he have stiffened?
will we have stiffened?
will you have stiffened?
will they have stiffened? 	will I have been stiffening?
will you have been stiffening?
will he have been stiffening?
will we have been stiffening?
will you have been stiffening?
will they have been stiffening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
won't I stiffen?
won't you stiffen?
won't he stiffen?
won't we stiffen?
won't you stiffen?
won't they stiffen? 	won't I be stiffening?
won't you be stiffening?
won't he be stiffening?
won't we be stiffening?
won't you be stiffening?
won't they be stiffening? 	won't I have stiffened?
won't you have stiffened?
won't he have stiffened?
won't we have stiffened?
won't you have stiffened?
won't they have stiffened? 	won't I have been stiffening?
won't you have been stiffening?
won't he have been stiffening?
won't we have been stiffening?
won't you have been stiffening?
won't they have been stiffening?