English verb conjugation
SHOULD LIVEN

Regular verb: liven - livened - livened

Affirmation

Simple form	V-ing form
I should liven you should liven he should liven we should liven you should liven they should liven	I should be livening you should be livening he should be livening we should be livening you should be livening they should be livening
Perfect	V-ing perfect
I should have livened you should have livened he should have livened we should have livened you should have livened they should have livened	I should have been livening you should have been livening he should have been livening we should have been livening you should have been livening they should have been livening

Negation

Simple form	V-ing form
I should not liven you should not liven he should not liven we should not liven you should not liven they should not liven	I should not be livening you should not be livening he should not be livening we should not be livening you should not be livening they should not be livening
Perfect	V-ing perfect
I should not have livened you should not have livened he should not have livened we should not have livened you should not have livened they should not have livened	I should not have been livening you should not have been livening he should not have been livening we should not have been livening you should not have been livening they should not have been livening

Interrogative form

Simple form	V-ing form
should I liven? should you liven? should he liven? should we liven? should you liven? should they liven?	should I be livening? should you be livening? should he be livening? should we be livening? should you be livening? should they be livening?
Perfect	V-ing perfect
should I have livened? should you have livened? should he have livened? should we have livened? should you have livened? should they have livened?	should I have been livening? should you have been livening? should he have been livening? should we have been livening? should you have been livening? should they have been livening?

Interro-negative form

Simple form	V-ing form
should I not liven? should you not liven? should he not liven? should we not liven? should you not liven? should they not liven?	should I not be livening? should you not be livening? should he not be livening? should we not be livening? should you not be livening? should they not be livening?
Perfect	V-ing perfect
should I not have livened? should you not have livened? should he not have livened? should we not have livened? should you not have livened? should they not have livened?	should I not have been livening? should you not have been livening? should he not have been livening? should we not have been livening? should you not have been livening? should they not have been livening?