English verb conjugation
SHOULD OVERTIGHTEN

Regular verb: overtighten - overtightened - overtightened

Affirmation

Simple form	V-ing form
I should overtighten you should overtighten he should overtighten we should overtighten you should overtighten they should overtighten	I should be overtightening you should be overtightening he should be overtightening we should be overtightening you should be overtightening they should be overtightening
Perfect	V-ing perfect
I should have overtightened you should have overtightened he should have overtightened we should have overtightened you should have overtightened they should have overtightened	I should have been overtightening you should have been overtightening he should have been overtightening we should have been overtightening you should have been overtightening they should have been overtightening

Negation

Simple form	V-ing form
I should not overtighten you should not overtighten he should not overtighten we should not overtighten you should not overtighten they should not overtighten	I should not be overtightening you should not be overtightening he should not be overtightening we should not be overtightening you should not be overtightening they should not be overtightening
Perfect	V-ing perfect
I should not have overtightened you should not have overtightened he should not have overtightened we should not have overtightened you should not have overtightened they should not have overtightened	I should not have been overtightening you should not have been overtightening he should not have been overtightening we should not have been overtightening you should not have been overtightening they should not have been overtightening

Interrogative form

Simple form	V-ing form
should I overtighten? should you overtighten? should he overtighten? should we overtighten? should you overtighten? should they overtighten?	should I be overtightening? should you be overtightening? should he be overtightening? should we be overtightening? should you be overtightening? should they be overtightening?
Perfect	V-ing perfect
should I have overtightened? should you have overtightened? should he have overtightened? should we have overtightened? should you have overtightened? should they have overtightened?	should I have been overtightening? should you have been overtightening? should he have been overtightening? should we have been overtightening? should you have been overtightening? should they have been overtightening?

Interro-negative form

Simple form	V-ing form
should I not overtighten? should you not overtighten? should he not overtighten? should we not overtighten? should you not overtighten? should they not overtighten?	should I not be overtightening? should you not be overtightening? should he not be overtightening? should we not be overtightening? should you not be overtightening? should they not be overtightening?
Perfect	V-ing perfect
should I not have overtightened? should you not have overtightened? should he not have overtightened? should we not have overtightened? should you not have overtightened? should they not have overtightened?	should I not have been overtightening? should you not have been overtightening? should he not have been overtightening? should we not have been overtightening? should you not have been overtightening? should they not have been overtightening?