English verb conjugation
WOULD TOUGHEN

Regular verb: toughen - toughened - toughened

Affirmation

Simple form	V-ing form
I'd toughen you'd toughen she'd toughen we'd toughen you'd toughen they'd toughen	I'd be toughening you'd be toughening she'd be toughening we'd be toughening you'd be toughening they'd be toughening
Perfect	V-ing perfect
I would've toughened you would've toughened she would've toughened we would've toughened you would've toughened they would've toughened	I would've been toughening you would've been toughening she would've been toughening we would've been toughening you would've been toughening they would've been toughening

Negation

Simple form	V-ing form
I wouldn't toughen you wouldn't toughen she wouldn't toughen we wouldn't toughen you wouldn't toughen they wouldn't toughen	I wouldn't be toughening you wouldn't be toughening she wouldn't be toughening we wouldn't be toughening you wouldn't be toughening they wouldn't be toughening
Perfect	V-ing perfect
I wouldn't have toughened you wouldn't have toughened she wouldn't have toughened we wouldn't have toughened you wouldn't have toughened they wouldn't have toughened	I wouldn't have been toughening you wouldn't have been toughening she wouldn't have been toughening we wouldn't have been toughening you wouldn't have been toughening they wouldn't have been toughening

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
wouldn't I toughen? wouldn't you toughen? wouldn't she toughen? wouldn't we toughen? wouldn't you toughen? wouldn't they toughen?	wouldn't I be toughening? wouldn't you be toughening? wouldn't she be toughening? wouldn't we be toughening? wouldn't you be toughening? wouldn't they be toughening?
Perfect	V-ing perfect
wouldn't I have toughened? wouldn't you have toughened? wouldn't she have toughened? wouldn't we have toughened? wouldn't you have toughened? wouldn't they have toughened?	wouldn't I have been toughening? wouldn't you have been toughening? wouldn't she have been toughening? wouldn't we have been toughening? wouldn't you have been toughening? wouldn't they have been toughening?