English verb conjugation
SHOULD SMARTEN

Regular verb: smarten - smartened - smartened

Affirmation

Simple form	V-ing form
I should smarten you should smarten he should smarten we should smarten you should smarten they should smarten	I should be smartening you should be smartening he should be smartening we should be smartening you should be smartening they should be smartening
Perfect	V-ing perfect
I should have smartened you should have smartened he should have smartened we should have smartened you should have smartened they should have smartened	I should have been smartening you should have been smartening he should have been smartening we should have been smartening you should have been smartening they should have been smartening

Negation

Simple form	V-ing form
I should not smarten you should not smarten he should not smarten we should not smarten you should not smarten they should not smarten	I should not be smartening you should not be smartening he should not be smartening we should not be smartening you should not be smartening they should not be smartening
Perfect	V-ing perfect
I should not have smartened you should not have smartened he should not have smartened we should not have smartened you should not have smartened they should not have smartened	I should not have been smartening you should not have been smartening he should not have been smartening we should not have been smartening you should not have been smartening they should not have been smartening

Interrogative form

Simple form	V-ing form
should I smarten? should you smarten? should he smarten? should we smarten? should you smarten? should they smarten?	should I be smartening? should you be smartening? should he be smartening? should we be smartening? should you be smartening? should they be smartening?
Perfect	V-ing perfect
should I have smartened? should you have smartened? should he have smartened? should we have smartened? should you have smartened? should they have smartened?	should I have been smartening? should you have been smartening? should he have been smartening? should we have been smartening? should you have been smartening? should they have been smartening?

Interro-negative form

Simple form	V-ing form
should I not smarten? should you not smarten? should he not smarten? should we not smarten? should you not smarten? should they not smarten?	should I not be smartening? should you not be smartening? should he not be smartening? should we not be smartening? should you not be smartening? should they not be smartening?
Perfect	V-ing perfect
should I not have smartened? should you not have smartened? should he not have smartened? should we not have smartened? should you not have smartened? should they not have smartened?	should I not have been smartening? should you not have been smartening? should he not have been smartening? should we not have been smartening? should you not have been smartening? should they not have been smartening?