I may catechize you may catechize he may catechize we may catechize you may catechize they may catechize
V-ing form
I may be catechizing you may be catechizing he may be catechizing we may be catechizing you may be catechizing they may be catechizing
Perfect
I may have catechized you may have catechized he may have catechized we may have catechized you may have catechized they may have catechized
V-ing perfect
I may have been catechizing you may have been catechizing he may have been catechizing we may have been catechizing you may have been catechizing they may have been catechizing
Negation
Simple form
I mayn't catechize you mayn't catechize he mayn't catechize we mayn't catechize you mayn't catechize they mayn't catechize
V-ing form
I mayn't be catechizing you mayn't be catechizing he mayn't be catechizing we mayn't be catechizing you mayn't be catechizing they mayn't be catechizing
Perfect
I mayn't have catechized you mayn't have catechized he mayn't have catechized we mayn't have catechized you mayn't have catechized they mayn't have catechized
V-ing perfect
I mayn't have been catechizing you mayn't have been catechizing he mayn't have been catechizing we mayn't have been catechizing you mayn't have been catechizing they mayn't have been catechizing
Interrogative form
Simple form
may I catechize? may you catechize? may he catechize? may we catechize? may you catechize? may they catechize?
V-ing form
may I be catechizing? may you be catechizing? may he be catechizing? may we be catechizing? may you be catechizing? may they be catechizing?
Perfect
may I have catechized? may you have catechized? may he have catechized? may we have catechized? may you have catechized? may they have catechized?
V-ing perfect
may I have been catechizing? may you have been catechizing? may he have been catechizing? may we have been catechizing? may you have been catechizing? may they have been catechizing?
Interro-negative form
Simple form
mayn't I catechize? mayn't you catechize? mayn't he catechize? mayn't we catechize? mayn't you catechize? mayn't they catechize?
V-ing form
mayn't I be catechizing? mayn't you be catechizing? mayn't he be catechizing? mayn't we be catechizing? mayn't you be catechizing? mayn't they be catechizing?
Perfect
mayn't I have catechized? mayn't you have catechized? mayn't he have catechized? mayn't we have catechized? mayn't you have catechized? mayn't they have catechized?
V-ing perfect
mayn't I have been catechizing? mayn't you have been catechizing? mayn't he have been catechizing? mayn't we have been catechizing? mayn't you have been catechizing? mayn't they have been catechizing?