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 mightn't toughen you mightn't toughen he mightn't toughen we mightn't toughen you mightn't toughen they mightn't toughen	I mightn't be toughening you mightn't be toughening he mightn't be toughening we mightn't be toughening you mightn't be toughening they mightn't be toughening
Perfect	V-ing perfect
I mightn't have toughened you mightn't have toughened he mightn't have toughened we mightn't have toughened you mightn't have toughened they mightn't have toughened	I mightn't have been toughening you mightn't have been toughening he mightn't have been toughening we mightn't have been toughening you mightn't have been toughening they mightn't 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
mightn't I toughen? mightn't you toughen? mightn't he toughen? mightn't we toughen? mightn't you toughen? mightn't they toughen?	mightn't I be toughening? mightn't you be toughening? mightn't he be toughening? mightn't we be toughening? mightn't you be toughening? mightn't they be toughening?
Perfect	V-ing perfect
mightn't I have toughened? mightn't you have toughened? mightn't he have toughened? mightn't we have toughened? mightn't you have toughened? mightn't they have toughened?	mightn't I have been toughening? mightn't you have been toughening? mightn't he have been toughening? mightn't we have been toughening? mightn't you have been toughening? mightn't they have been toughening?