English verb conjugation
SHOULD UNDER

Regular verb: under - undered - undered

Affirmation

Simple form	V-ing form
I should under you should under he should under we should under you should under they should under	I should be undering you should be undering he should be undering we should be undering you should be undering they should be undering
Perfect	V-ing perfect
I should have undered you should have undered he should have undered we should have undered you should have undered they should have undered	I should have been undering you should have been undering he should have been undering we should have been undering you should have been undering they should have been undering

Negation

Simple form	V-ing form
I should not under you should not under he should not under we should not under you should not under they should not under	I should not be undering you should not be undering he should not be undering we should not be undering you should not be undering they should not be undering
Perfect	V-ing perfect
I should not have undered you should not have undered he should not have undered we should not have undered you should not have undered they should not have undered	I should not have been undering you should not have been undering he should not have been undering we should not have been undering you should not have been undering they should not have been undering

Interrogative form

Simple form	V-ing form
should I under? should you under? should he under? should we under? should you under? should they under?	should I be undering? should you be undering? should he be undering? should we be undering? should you be undering? should they be undering?
Perfect	V-ing perfect
should I have undered? should you have undered? should he have undered? should we have undered? should you have undered? should they have undered?	should I have been undering? should you have been undering? should he have been undering? should we have been undering? should you have been undering? should they have been undering?

Interro-negative form

Simple form	V-ing form
should I not under? should you not under? should he not under? should we not under? should you not under? should they not under?	should I not be undering? should you not be undering? should he not be undering? should we not be undering? should you not be undering? should they not be undering?
Perfect	V-ing perfect
should I not have undered? should you not have undered? should he not have undered? should we not have undered? should you not have undered? should they not have undered?	should I not have been undering? should you not have been undering? should he not have been undering? should we not have been undering? should you not have been undering? should they not have been undering?