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