must trade
Regular verb: trade - traded- traded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must trade
you must trade
he must trade
we must trade
you must trade
they must trade 	I must be trading
you must be trading
he must be trading
we must be trading
you must be trading
they must be trading	I must have traded
you must have traded
he must have traded
we must have traded
you must have traded
they must have traded	I must have been trading
you must have been trading
he must have been trading
we must have been trading
you must have been trading
they must have been trading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't trade
you mustn't trade
he mustn't trade
we mustn't trade
you mustn't trade
they mustn't trade 	I mustn't be trading
you mustn't be trading
he mustn't be trading
we mustn't be trading
you mustn't be trading
they mustn't be trading	I mustn't have traded
you mustn't have traded
he mustn't have traded
we mustn't have traded
you mustn't have traded
they mustn't have traded	I mustn't have been trading
you mustn't have been trading
he mustn't have been trading
we mustn't have been trading
you mustn't have been trading
they mustn't have been trading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I trade?
must you trade?
must he trade?
must we trade?
must you trade?
must they trade? 	must I be trading?
must you be trading?
must he be trading?
must we be trading?
must you be trading?
must they be trading? 	must I have traded?
must you have traded?
must he have traded?
must we have traded?
must you have traded?
must they have traded? 	must I have been trading?
must you have been trading?
must he have been trading?
must we have been trading?
must you have been trading?
must they have been trading? 	

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