English verb conjugation
MIGHT TOUGHEN

Regular verb: toughen - toughened - toughened

Affirmation

Simple form	V-ing form
I might toughen you might toughen he might toughen we might toughen you might toughen they might toughen	I might be toughening you might be toughening he might be toughening we might be toughening you might be toughening they might be toughening
Perfect	V-ing perfect
I might have toughened you might have toughened he might have toughened we might have toughened you might have toughened they might have toughened	I might have been toughening you might have been toughening he might have been toughening we might have been toughening you might have been toughening they might have been toughening

Negation

Simple form	V-ing form
I might not toughen you might not toughen he might not toughen we might not toughen you might not toughen they might not toughen	I might not be toughening you might not be toughening he might not be toughening we might not be toughening you might not be toughening they might not be toughening
Perfect	V-ing perfect
I might not have toughened you might not have toughened he might not have toughened we might not have toughened you might not have toughened they might not have toughened	I might not have been toughening you might not have been toughening he might not have been toughening we might not have been toughening you might not have been toughening they might not have been toughening

Interrogative form

Simple form	V-ing form
might I toughen? might you toughen? might he toughen? might we toughen? might you toughen? might they toughen?	might I be toughening? might you be toughening? might he be toughening? might we be toughening? might you be toughening? might they be toughening?
Perfect	V-ing perfect
might I have toughened? might you have toughened? might he have toughened? might we have toughened? might you have toughened? might they have toughened?	might I have been toughening? might you have been toughening? might he have been toughening? might we have been toughening? might you have been toughening? might they have been toughening?

Interro-negative form

Simple form	V-ing form
might I not toughen? might you not toughen? might he not toughen? might we not toughen? might you not toughen? might they not toughen?	might I not be toughening? might you not be toughening? might he not be toughening? might we not be toughening? might you not be toughening? might they not be toughening?
Perfect	V-ing perfect
might I not have toughened? might you not have toughened? might he not have toughened? might we not have toughened? might you not have toughened? might they not have toughened?	might I not have been toughening? might you not have been toughening? might he not have been toughening? might we not have been toughening? might you not have been toughening? might they not have been toughening?