I must hire you must hire she must hire we must hire you must hire they must hire
V-ing form
I must be hiring you must be hiring she must be hiring we must be hiring you must be hiring they must be hiring
Perfect
I must have hired you must have hired she must have hired we must have hired you must have hired they must have hired
V-ing perfect
I must have been hiring you must have been hiring she must have been hiring we must have been hiring you must have been hiring they must have been hiring
Negation
Simple form
I must not hire you must not hire she must not hire we must not hire you must not hire they must not hire
V-ing form
I must not be hiring you must not be hiring she must not be hiring we must not be hiring you must not be hiring they must not be hiring
Perfect
I must not have hired you must not have hired she must not have hired we must not have hired you must not have hired they must not have hired
V-ing perfect
I must not have been hiring you must not have been hiring she must not have been hiring we must not have been hiring you must not have been hiring they must not have been hiring
Interrogative form
Simple form
must I hire? must you hire? must she hire? must we hire? must you hire? must they hire?
V-ing form
must I be hiring? must you be hiring? must she be hiring? must we be hiring? must you be hiring? must they be hiring?
Perfect
must I have hired? must you have hired? must she have hired? must we have hired? must you have hired? must they have hired?
V-ing perfect
must I have been hiring? must you have been hiring? must she have been hiring? must we have been hiring? must you have been hiring? must they have been hiring?
Interro-negative form
Simple form
must I not hire? must you not hire? must she not hire? must we not hire? must you not hire? must they not hire?
V-ing form
must I not be hiring? must you not be hiring? must she not be hiring? must we not be hiring? must you not be hiring? must they not be hiring?
Perfect
must I not have hired? must you not have hired? must she not have hired? must we not have hired? must you not have hired? must they not have hired?
V-ing perfect
must I not have been hiring? must you not have been hiring? must she not have been hiring? must we not have been hiring? must you not have been hiring? must they not have been hiring?