English verb conjugation
MAY CATALYZE

Regular verb: catalyze - catalyzed - catalyzed

Affirmation

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

Negation

Simple form	V-ing form
I mayn't catalyze you mayn't catalyze he mayn't catalyze we mayn't catalyze you mayn't catalyze they mayn't catalyze	I mayn't be catalyzing you mayn't be catalyzing he mayn't be catalyzing we mayn't be catalyzing you mayn't be catalyzing they mayn't be catalyzing
Perfect	V-ing perfect
I mayn't have catalyzed you mayn't have catalyzed he mayn't have catalyzed we mayn't have catalyzed you mayn't have catalyzed they mayn't have catalyzed	I mayn't have been catalyzing you mayn't have been catalyzing he mayn't have been catalyzing we mayn't have been catalyzing you mayn't have been catalyzing they mayn't have been catalyzing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mayn't I catalyze? mayn't you catalyze? mayn't he catalyze? mayn't we catalyze? mayn't you catalyze? mayn't they catalyze?	mayn't I be catalyzing? mayn't you be catalyzing? mayn't he be catalyzing? mayn't we be catalyzing? mayn't you be catalyzing? mayn't they be catalyzing?
Perfect	V-ing perfect
mayn't I have catalyzed? mayn't you have catalyzed? mayn't he have catalyzed? mayn't we have catalyzed? mayn't you have catalyzed? mayn't they have catalyzed?	mayn't I have been catalyzing? mayn't you have been catalyzing? mayn't he have been catalyzing? mayn't we have been catalyzing? mayn't you have been catalyzing? mayn't they have been catalyzing?