English verb conjugation
SHOULD SULFURIZE

Regular verb: sulfurize - sulfurized - sulfurized

Affirmation

Simple form	V-ing form
I should sulfurize you should sulfurize he should sulfurize we should sulfurize you should sulfurize they should sulfurize	I should be sulfurizing you should be sulfurizing he should be sulfurizing we should be sulfurizing you should be sulfurizing they should be sulfurizing
Perfect	V-ing perfect
I should have sulfurized you should have sulfurized he should have sulfurized we should have sulfurized you should have sulfurized they should have sulfurized	I should have been sulfurizing you should have been sulfurizing he should have been sulfurizing we should have been sulfurizing you should have been sulfurizing they should have been sulfurizing

Negation

Simple form	V-ing form
I should not sulfurize you should not sulfurize he should not sulfurize we should not sulfurize you should not sulfurize they should not sulfurize	I should not be sulfurizing you should not be sulfurizing he should not be sulfurizing we should not be sulfurizing you should not be sulfurizing they should not be sulfurizing
Perfect	V-ing perfect
I should not have sulfurized you should not have sulfurized he should not have sulfurized we should not have sulfurized you should not have sulfurized they should not have sulfurized	I should not have been sulfurizing you should not have been sulfurizing he should not have been sulfurizing we should not have been sulfurizing you should not have been sulfurizing they should not have been sulfurizing

Interrogative form

Simple form	V-ing form
should I sulfurize? should you sulfurize? should he sulfurize? should we sulfurize? should you sulfurize? should they sulfurize?	should I be sulfurizing? should you be sulfurizing? should he be sulfurizing? should we be sulfurizing? should you be sulfurizing? should they be sulfurizing?
Perfect	V-ing perfect
should I have sulfurized? should you have sulfurized? should he have sulfurized? should we have sulfurized? should you have sulfurized? should they have sulfurized?	should I have been sulfurizing? should you have been sulfurizing? should he have been sulfurizing? should we have been sulfurizing? should you have been sulfurizing? should they have been sulfurizing?

Interro-negative form

Simple form	V-ing form
should I not sulfurize? should you not sulfurize? should he not sulfurize? should we not sulfurize? should you not sulfurize? should they not sulfurize?	should I not be sulfurizing? should you not be sulfurizing? should he not be sulfurizing? should we not be sulfurizing? should you not be sulfurizing? should they not be sulfurizing?
Perfect	V-ing perfect
should I not have sulfurized? should you not have sulfurized? should he not have sulfurized? should we not have sulfurized? should you not have sulfurized? should they not have sulfurized?	should I not have been sulfurizing? should you not have been sulfurizing? should he not have been sulfurizing? should we not have been sulfurizing? should you not have been sulfurizing? should they not have been sulfurizing?