I must represent you must represent he must represent we must represent you must represent they must represent
V-ing form
I must be representing you must be representing he must be representing we must be representing you must be representing they must be representing
Perfect
I must have represented you must have represented he must have represented we must have represented you must have represented they must have represented
V-ing perfect
I must have been representing you must have been representing he must have been representing we must have been representing you must have been representing they must have been representing
Negation
Simple form
I mustn't represent you mustn't represent he mustn't represent we mustn't represent you mustn't represent they mustn't represent
V-ing form
I mustn't be representing you mustn't be representing he mustn't be representing we mustn't be representing you mustn't be representing they mustn't be representing
Perfect
I mustn't have represented you mustn't have represented he mustn't have represented we mustn't have represented you mustn't have represented they mustn't have represented
V-ing perfect
I mustn't have been representing you mustn't have been representing he mustn't have been representing we mustn't have been representing you mustn't have been representing they mustn't have been representing
Interrogative form
Simple form
must I represent? must you represent? must he represent? must we represent? must you represent? must they represent?
V-ing form
must I be representing? must you be representing? must he be representing? must we be representing? must you be representing? must they be representing?
Perfect
must I have represented? must you have represented? must he have represented? must we have represented? must you have represented? must they have represented?
V-ing perfect
must I have been representing? must you have been representing? must he have been representing? must we have been representing? must you have been representing? must they have been representing?
Interro-negative form
Simple form
mustn't I represent? mustn't you represent? mustn't he represent? mustn't we represent? mustn't you represent? mustn't they represent?
V-ing form
mustn't I be representing? mustn't you be representing? mustn't he be representing? mustn't we be representing? mustn't you be representing? mustn't they be representing?
Perfect
mustn't I have represented? mustn't you have represented? mustn't he have represented? mustn't we have represented? mustn't you have represented? mustn't they have represented?
V-ing perfect
mustn't I have been representing? mustn't you have been representing? mustn't he have been representing? mustn't we have been representing? mustn't you have been representing? mustn't they have been representing?