English verb conjugation
SHOULD BLACK

Regular verb: black - blacked - blacked

Affirmation

Simple form	V-ing form
I should black you should black he should black we should black you should black they should black	I should be blacking you should be blacking he should be blacking we should be blacking you should be blacking they should be blacking
Perfect	V-ing perfect
I should have blacked you should have blacked he should have blacked we should have blacked you should have blacked they should have blacked	I should have been blacking you should have been blacking he should have been blacking we should have been blacking you should have been blacking they should have been blacking

Negation

Simple form	V-ing form
I should not black you should not black he should not black we should not black you should not black they should not black	I should not be blacking you should not be blacking he should not be blacking we should not be blacking you should not be blacking they should not be blacking
Perfect	V-ing perfect
I should not have blacked you should not have blacked he should not have blacked we should not have blacked you should not have blacked they should not have blacked	I should not have been blacking you should not have been blacking he should not have been blacking we should not have been blacking you should not have been blacking they should not have been blacking

Interrogative form

Simple form	V-ing form
should I black? should you black? should he black? should we black? should you black? should they black?	should I be blacking? should you be blacking? should he be blacking? should we be blacking? should you be blacking? should they be blacking?
Perfect	V-ing perfect
should I have blacked? should you have blacked? should he have blacked? should we have blacked? should you have blacked? should they have blacked?	should I have been blacking? should you have been blacking? should he have been blacking? should we have been blacking? should you have been blacking? should they have been blacking?

Interro-negative form

Simple form	V-ing form
should I not black? should you not black? should he not black? should we not black? should you not black? should they not black?	should I not be blacking? should you not be blacking? should he not be blacking? should we not be blacking? should you not be blacking? should they not be blacking?
Perfect	V-ing perfect
should I not have blacked? should you not have blacked? should he not have blacked? should we not have blacked? should you not have blacked? should they not have blacked?	should I not have been blacking? should you not have been blacking? should he not have been blacking? should we not have been blacking? should you not have been blacking? should they not have been blacking?