I may classify you may classify she may classify we may classify you may classify they may classify
V-ing form
I may be classifying you may be classifying she may be classifying we may be classifying you may be classifying they may be classifying
Perfect
I may have classified you may have classified she may have classified we may have classified you may have classified they may have classified
V-ing perfect
I may have been classifying you may have been classifying she may have been classifying we may have been classifying you may have been classifying they may have been classifying
Negation
Simple form
I mayn't classify you mayn't classify she mayn't classify we mayn't classify you mayn't classify they mayn't classify
V-ing form
I mayn't be classifying you mayn't be classifying she mayn't be classifying we mayn't be classifying you mayn't be classifying they mayn't be classifying
Perfect
I mayn't have classified you mayn't have classified she mayn't have classified we mayn't have classified you mayn't have classified they mayn't have classified
V-ing perfect
I mayn't have been classifying you mayn't have been classifying she mayn't have been classifying we mayn't have been classifying you mayn't have been classifying they mayn't have been classifying
Interrogative form
Simple form
may I classify? may you classify? may she classify? may we classify? may you classify? may they classify?
V-ing form
may I be classifying? may you be classifying? may she be classifying? may we be classifying? may you be classifying? may they be classifying?
Perfect
may I have classified? may you have classified? may she have classified? may we have classified? may you have classified? may they have classified?
V-ing perfect
may I have been classifying? may you have been classifying? may she have been classifying? may we have been classifying? may you have been classifying? may they have been classifying?
Interro-negative form
Simple form
mayn't I classify? mayn't you classify? mayn't she classify? mayn't we classify? mayn't you classify? mayn't they classify?
V-ing form
mayn't I be classifying? mayn't you be classifying? mayn't she be classifying? mayn't we be classifying? mayn't you be classifying? mayn't they be classifying?
Perfect
mayn't I have classified? mayn't you have classified? mayn't she have classified? mayn't we have classified? mayn't you have classified? mayn't they have classified?
V-ing perfect
mayn't I have been classifying? mayn't you have been classifying? mayn't she have been classifying? mayn't we have been classifying? mayn't you have been classifying? mayn't they have been classifying?