English verb conjugation
SHOULD EXTRACT

Regular verb: extract - extracted - extracted

Affirmation

Simple form	V-ing form
I should extract you should extract he should extract we should extract you should extract they should extract	I should be extracting you should be extracting he should be extracting we should be extracting you should be extracting they should be extracting
Perfect	V-ing perfect
I should have extracted you should have extracted he should have extracted we should have extracted you should have extracted they should have extracted	I should have been extracting you should have been extracting he should have been extracting we should have been extracting you should have been extracting they should have been extracting

Negation

Simple form	V-ing form
I should not extract you should not extract he should not extract we should not extract you should not extract they should not extract	I should not be extracting you should not be extracting he should not be extracting we should not be extracting you should not be extracting they should not be extracting
Perfect	V-ing perfect
I should not have extracted you should not have extracted he should not have extracted we should not have extracted you should not have extracted they should not have extracted	I should not have been extracting you should not have been extracting he should not have been extracting we should not have been extracting you should not have been extracting they should not have been extracting

Interrogative form

Simple form	V-ing form
should I extract? should you extract? should he extract? should we extract? should you extract? should they extract?	should I be extracting? should you be extracting? should he be extracting? should we be extracting? should you be extracting? should they be extracting?
Perfect	V-ing perfect
should I have extracted? should you have extracted? should he have extracted? should we have extracted? should you have extracted? should they have extracted?	should I have been extracting? should you have been extracting? should he have been extracting? should we have been extracting? should you have been extracting? should they have been extracting?

Interro-negative form

Simple form	V-ing form
should I not extract? should you not extract? should he not extract? should we not extract? should you not extract? should they not extract?	should I not be extracting? should you not be extracting? should he not be extracting? should we not be extracting? should you not be extracting? should they not be extracting?
Perfect	V-ing perfect
should I not have extracted? should you not have extracted? should he not have extracted? should we not have extracted? should you not have extracted? should they not have extracted?	should I not have been extracting? should you not have been extracting? should he not have been extracting? should we not have been extracting? should you not have been extracting? should they not have been extracting?