English verb conjugation
SHOULD CATALYZE

Regular verb: catalyze - catalyzed - catalyzed

Affirmation

Simple form	V-ing form
I should catalyze you should catalyze he should catalyze we should catalyze you should catalyze they should catalyze	I should be catalyzing you should be catalyzing he should be catalyzing we should be catalyzing you should be catalyzing they should be catalyzing
Perfect	V-ing perfect
I should have catalyzed you should have catalyzed he should have catalyzed we should have catalyzed you should have catalyzed they should have catalyzed	I should have been catalyzing you should have been catalyzing he should have been catalyzing we should have been catalyzing you should have been catalyzing they should have been catalyzing

Negation

Simple form	V-ing form
I should not catalyze you should not catalyze he should not catalyze we should not catalyze you should not catalyze they should not catalyze	I should not be catalyzing you should not be catalyzing he should not be catalyzing we should not be catalyzing you should not be catalyzing they should not be catalyzing
Perfect	V-ing perfect
I should not have catalyzed you should not have catalyzed he should not have catalyzed we should not have catalyzed you should not have catalyzed they should not have catalyzed	I should not have been catalyzing you should not have been catalyzing he should not have been catalyzing we should not have been catalyzing you should not have been catalyzing they should not have been catalyzing

Interrogative form

Simple form	V-ing form
should I catalyze? should you catalyze? should he catalyze? should we catalyze? should you catalyze? should they catalyze?	should I be catalyzing? should you be catalyzing? should he be catalyzing? should we be catalyzing? should you be catalyzing? should they be catalyzing?
Perfect	V-ing perfect
should I have catalyzed? should you have catalyzed? should he have catalyzed? should we have catalyzed? should you have catalyzed? should they have catalyzed?	should I have been catalyzing? should you have been catalyzing? should he have been catalyzing? should we have been catalyzing? should you have been catalyzing? should they have been catalyzing?

Interro-negative form

Simple form	V-ing form
should I not catalyze? should you not catalyze? should he not catalyze? should we not catalyze? should you not catalyze? should they not catalyze?	should I not be catalyzing? should you not be catalyzing? should he not be catalyzing? should we not be catalyzing? should you not be catalyzing? should they not be catalyzing?
Perfect	V-ing perfect
should I not have catalyzed? should you not have catalyzed? should he not have catalyzed? should we not have catalyzed? should you not have catalyzed? should they not have catalyzed?	should I not have been catalyzing? should you not have been catalyzing? should he not have been catalyzing? should we not have been catalyzing? should you not have been catalyzing? should they not have been catalyzing?