may trade
Regular verb: trade - traded- traded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may trade
you may trade
he may trade
we may trade
you may trade
they may trade 	I may be trading
you may be trading
he may be trading
we may be trading
you may be trading
they may be trading	I may have traded
you may have traded
he may have traded
we may have traded
you may have traded
they may have traded	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 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't trade
you mayn't trade
he mayn't trade
we mayn't trade
you mayn't trade
they mayn't trade 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
may I trade?
may you trade?
may he trade?
may we trade?
may you trade?
may they trade? 	may I be trading?
may you be trading?
may he be trading?
may we be trading?
may you be trading?
may they be trading? 	may I have traded?
may you have traded?
may he have traded?
may we have traded?
may you have traded?
may they have traded? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I trade?
mayn't you trade?
mayn't he trade?
mayn't we trade?
mayn't you trade?
mayn't they trade? 	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? 	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? 	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?