English verb conjugation
SHOULD THEORIZE

Regular verb: theorize - theorized - theorized

Affirmation

Simple form	V-ing form
I should theorize you should theorize he should theorize we should theorize you should theorize they should theorize	I should be theorizing you should be theorizing he should be theorizing we should be theorizing you should be theorizing they should be theorizing
Perfect	V-ing perfect
I should have theorized you should have theorized he should have theorized we should have theorized you should have theorized they should have theorized	I should have been theorizing you should have been theorizing he should have been theorizing we should have been theorizing you should have been theorizing they should have been theorizing

Negation

Simple form	V-ing form
I should not theorize you should not theorize he should not theorize we should not theorize you should not theorize they should not theorize	I should not be theorizing you should not be theorizing he should not be theorizing we should not be theorizing you should not be theorizing they should not be theorizing
Perfect	V-ing perfect
I should not have theorized you should not have theorized he should not have theorized we should not have theorized you should not have theorized they should not have theorized	I should not have been theorizing you should not have been theorizing he should not have been theorizing we should not have been theorizing you should not have been theorizing they should not have been theorizing

Interrogative form

Simple form	V-ing form
should I theorize? should you theorize? should he theorize? should we theorize? should you theorize? should they theorize?	should I be theorizing? should you be theorizing? should he be theorizing? should we be theorizing? should you be theorizing? should they be theorizing?
Perfect	V-ing perfect
should I have theorized? should you have theorized? should he have theorized? should we have theorized? should you have theorized? should they have theorized?	should I have been theorizing? should you have been theorizing? should he have been theorizing? should we have been theorizing? should you have been theorizing? should they have been theorizing?

Interro-negative form

Simple form	V-ing form
should I not theorize? should you not theorize? should he not theorize? should we not theorize? should you not theorize? should they not theorize?	should I not be theorizing? should you not be theorizing? should he not be theorizing? should we not be theorizing? should you not be theorizing? should they not be theorizing?
Perfect	V-ing perfect
should I not have theorized? should you not have theorized? should he not have theorized? should we not have theorized? should you not have theorized? should they not have theorized?	should I not have been theorizing? should you not have been theorizing? should he not have been theorizing? should we not have been theorizing? should you not have been theorizing? should they not have been theorizing?