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