English verb conjugation
SHOULD DISTINGUISH

Regular verb: distinguish - distinguished - distinguished

Affirmation

Simple form	V-ing form
I should distinguish you should distinguish she should distinguish we should distinguish you should distinguish they should distinguish	I should be distinguishing you should be distinguishing she should be distinguishing we should be distinguishing you should be distinguishing they should be distinguishing
Perfect	V-ing perfect
I should have distinguished you should have distinguished she should have distinguished we should have distinguished you should have distinguished they should have distinguished	I should have been distinguishing you should have been distinguishing she should have been distinguishing we should have been distinguishing you should have been distinguishing they should have been distinguishing

Negation

Simple form	V-ing form
I should not distinguish you should not distinguish she should not distinguish we should not distinguish you should not distinguish they should not distinguish	I should not be distinguishing you should not be distinguishing she should not be distinguishing we should not be distinguishing you should not be distinguishing they should not be distinguishing
Perfect	V-ing perfect
I should not have distinguished you should not have distinguished she should not have distinguished we should not have distinguished you should not have distinguished they should not have distinguished	I should not have been distinguishing you should not have been distinguishing she should not have been distinguishing we should not have been distinguishing you should not have been distinguishing they should not have been distinguishing

Interrogative form

Simple form	V-ing form
should I distinguish? should you distinguish? should she distinguish? should we distinguish? should you distinguish? should they distinguish?	should I be distinguishing? should you be distinguishing? should she be distinguishing? should we be distinguishing? should you be distinguishing? should they be distinguishing?
Perfect	V-ing perfect
should I have distinguished? should you have distinguished? should she have distinguished? should we have distinguished? should you have distinguished? should they have distinguished?	should I have been distinguishing? should you have been distinguishing? should she have been distinguishing? should we have been distinguishing? should you have been distinguishing? should they have been distinguishing?

Interro-negative form

Simple form	V-ing form
should I not distinguish? should you not distinguish? should she not distinguish? should we not distinguish? should you not distinguish? should they not distinguish?	should I not be distinguishing? should you not be distinguishing? should she not be distinguishing? should we not be distinguishing? should you not be distinguishing? should they not be distinguishing?
Perfect	V-ing perfect
should I not have distinguished? should you not have distinguished? should she not have distinguished? should we not have distinguished? should you not have distinguished? should they not have distinguished?	should I not have been distinguishing? should you not have been distinguishing? should she not have been distinguishing? should we not have been distinguishing? should you not have been distinguishing? should they not have been distinguishing?