I must headhunt you must headhunt he must headhunt we must headhunt you must headhunt they must headhunt
V-ing form
I must be headhunting you must be headhunting he must be headhunting we must be headhunting you must be headhunting they must be headhunting
Perfect
I must have headhunted you must have headhunted he must have headhunted we must have headhunted you must have headhunted they must have headhunted
V-ing perfect
I must have been headhunting you must have been headhunting he must have been headhunting we must have been headhunting you must have been headhunting they must have been headhunting
Negation
Simple form
I must not headhunt you must not headhunt he must not headhunt we must not headhunt you must not headhunt they must not headhunt
V-ing form
I must not be headhunting you must not be headhunting he must not be headhunting we must not be headhunting you must not be headhunting they must not be headhunting
Perfect
I must not have headhunted you must not have headhunted he must not have headhunted we must not have headhunted you must not have headhunted they must not have headhunted
V-ing perfect
I must not have been headhunting you must not have been headhunting he must not have been headhunting we must not have been headhunting you must not have been headhunting they must not have been headhunting
Interrogative form
Simple form
must I headhunt? must you headhunt? must he headhunt? must we headhunt? must you headhunt? must they headhunt?
V-ing form
must I be headhunting? must you be headhunting? must he be headhunting? must we be headhunting? must you be headhunting? must they be headhunting?
Perfect
must I have headhunted? must you have headhunted? must he have headhunted? must we have headhunted? must you have headhunted? must they have headhunted?
V-ing perfect
must I have been headhunting? must you have been headhunting? must he have been headhunting? must we have been headhunting? must you have been headhunting? must they have been headhunting?
Interro-negative form
Simple form
must I not headhunt? must you not headhunt? must he not headhunt? must we not headhunt? must you not headhunt? must they not headhunt?
V-ing form
must I not be headhunting? must you not be headhunting? must he not be headhunting? must we not be headhunting? must you not be headhunting? must they not be headhunting?
Perfect
must I not have headhunted? must you not have headhunted? must he not have headhunted? must we not have headhunted? must you not have headhunted? must they not have headhunted?
V-ing perfect
must I not have been headhunting? must you not have been headhunting? must he not have been headhunting? must we not have been headhunting? must you not have been headhunting? must they not have been headhunting?