English verb conjugation
SHOULD PERTAIN

Regular verb: pertain - pertained - pertained

Affirmation

Simple form	V-ing form
I should pertain you should pertain he should pertain we should pertain you should pertain they should pertain	I should be pertaining you should be pertaining he should be pertaining we should be pertaining you should be pertaining they should be pertaining
Perfect	V-ing perfect
I should have pertained you should have pertained he should have pertained we should have pertained you should have pertained they should have pertained	I should have been pertaining you should have been pertaining he should have been pertaining we should have been pertaining you should have been pertaining they should have been pertaining

Negation

Simple form	V-ing form
I should not pertain you should not pertain he should not pertain we should not pertain you should not pertain they should not pertain	I should not be pertaining you should not be pertaining he should not be pertaining we should not be pertaining you should not be pertaining they should not be pertaining
Perfect	V-ing perfect
I should not have pertained you should not have pertained he should not have pertained we should not have pertained you should not have pertained they should not have pertained	I should not have been pertaining you should not have been pertaining he should not have been pertaining we should not have been pertaining you should not have been pertaining they should not have been pertaining

Interrogative form

Simple form	V-ing form
should I pertain? should you pertain? should he pertain? should we pertain? should you pertain? should they pertain?	should I be pertaining? should you be pertaining? should he be pertaining? should we be pertaining? should you be pertaining? should they be pertaining?
Perfect	V-ing perfect
should I have pertained? should you have pertained? should he have pertained? should we have pertained? should you have pertained? should they have pertained?	should I have been pertaining? should you have been pertaining? should he have been pertaining? should we have been pertaining? should you have been pertaining? should they have been pertaining?

Interro-negative form

Simple form	V-ing form
should I not pertain? should you not pertain? should he not pertain? should we not pertain? should you not pertain? should they not pertain?	should I not be pertaining? should you not be pertaining? should he not be pertaining? should we not be pertaining? should you not be pertaining? should they not be pertaining?
Perfect	V-ing perfect
should I not have pertained? should you not have pertained? should he not have pertained? should we not have pertained? should you not have pertained? should they not have pertained?	should I not have been pertaining? should you not have been pertaining? should he not have been pertaining? should we not have been pertaining? should you not have been pertaining? should they not have been pertaining?