would toughen
Regular verb: toughen - toughened- toughened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would toughen
you would toughen
she would toughen
we would toughen
you would toughen
they would toughen 	I would be toughening
you would be toughening
she would be toughening
we would be toughening
you would be toughening
they would be toughening	I would have toughened
you would have toughened
she would have toughened
we would have toughened
you would have toughened
they would have toughened	I would have been toughening
you would have been toughening
she would have been toughening
we would have been toughening
you would have been toughening
they would have been toughening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not toughen
you would not toughen
she would not toughen
we would not toughen
you would not toughen
they would not toughen 	I would not be toughening
you would not be toughening
she would not be toughening
we would not be toughening
you would not be toughening
they would not be toughening	I would not have toughened
you would not have toughened
she would not have toughened
we would not have toughened
you would not have toughened
they would not have toughened	I would not have been toughening
you would not have been toughening
she would not have been toughening
we would not have been toughening
you would not have been toughening
they would not have been toughening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I toughen?
would you toughen?
would she toughen?
would we toughen?
would you toughen?
would they toughen? 	would I be toughening?
would you be toughening?
would she be toughening?
would we be toughening?
would you be toughening?
would they be toughening? 	would I have toughened?
would you have toughened?
would she have toughened?
would we have toughened?
would you have toughened?
would they have toughened? 	would I have been toughening?
would you have been toughening?
would she have been toughening?
would we have been toughening?
would you have been toughening?
would they have been toughening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not toughen?
would you not toughen?
would she not toughen?
would we not toughen?
would you not toughen?
would they not toughen? 	would I not be toughening?
would you not be toughening?
would she not be toughening?
would we not be toughening?
would you not be toughening?
would they not be toughening? 	would I not have toughened?
would you not have toughened?
would she not have toughened?
would we not have toughened?
would you not have toughened?
would they not have toughened? 	would I not have been toughening?
would you not have been toughening?
would she not have been toughening?
would we not have been toughening?
would you not have been toughening?
would they not have been toughening?