English verb conjugation
MIGHT TIGHTEN

Regular verb: tighten - tightened - tightened

Affirmation

Simple form	V-ing form
I might tighten you might tighten he might tighten we might tighten you might tighten they might tighten	I might be tightening you might be tightening he might be tightening we might be tightening you might be tightening they might be tightening
Perfect	V-ing perfect
I might have tightened you might have tightened he might have tightened we might have tightened you might have tightened they might have tightened	I might have been tightening you might have been tightening he might have been tightening we might have been tightening you might have been tightening they might have been tightening

Negation

Simple form	V-ing form
I might not tighten you might not tighten he might not tighten we might not tighten you might not tighten they might not tighten	I might not be tightening you might not be tightening he might not be tightening we might not be tightening you might not be tightening they might not be tightening
Perfect	V-ing perfect
I might not have tightened you might not have tightened he might not have tightened we might not have tightened you might not have tightened they might not have tightened	I might not have been tightening you might not have been tightening he might not have been tightening we might not have been tightening you might not have been tightening they might not have been tightening

Interrogative form

Simple form	V-ing form
might I tighten? might you tighten? might he tighten? might we tighten? might you tighten? might they tighten?	might I be tightening? might you be tightening? might he be tightening? might we be tightening? might you be tightening? might they be tightening?
Perfect	V-ing perfect
might I have tightened? might you have tightened? might he have tightened? might we have tightened? might you have tightened? might they have tightened?	might I have been tightening? might you have been tightening? might he have been tightening? might we have been tightening? might you have been tightening? might they have been tightening?

Interro-negative form

Simple form	V-ing form
might I not tighten? might you not tighten? might he not tighten? might we not tighten? might you not tighten? might they not tighten?	might I not be tightening? might you not be tightening? might he not be tightening? might we not be tightening? might you not be tightening? might they not be tightening?
Perfect	V-ing perfect
might I not have tightened? might you not have tightened? might he not have tightened? might we not have tightened? might you not have tightened? might they not have tightened?	might I not have been tightening? might you not have been tightening? might he not have been tightening? might we not have been tightening? might you not have been tightening? might they not have been tightening?