I must trade you must trade he must trade we must trade you must trade they must trade
Forma con V-ing
I must be trading you must be trading he must be trading we must be trading you must be trading they must be trading
Perfecto
I must have traded you must have traded he must have traded we must have traded you must have traded they must have traded
Perfecto con V-ing
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
Negación
Forma simple
I mustn't trade you mustn't trade he mustn't trade we mustn't trade you mustn't trade they mustn't trade
Forma con V-ing
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
Perfecto
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
Perfecto con V-ing
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
Forma interrogativa
Forma simple
must I trade? must you trade? must he trade? must we trade? must you trade? must they trade?
Forma con V-ing
must I be trading? must you be trading? must he be trading? must we be trading? must you be trading? must they be trading?
Perfecto
must I have traded? must you have traded? must he have traded? must we have traded? must you have traded? must they have traded?
Perfecto con V-ing
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?
Forma interro-negativa
Forma simple
mustn't I trade? mustn't you trade? mustn't he trade? mustn't we trade? mustn't you trade? mustn't they trade?
Forma con V-ing
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?
Perfecto
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?
Perfecto con V-ing
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?