I must haunt you must haunt she must haunt we must haunt you must haunt they must haunt
V-ing form
I must be haunting you must be haunting she must be haunting we must be haunting you must be haunting they must be haunting
Perfect
I must have haunted you must have haunted she must have haunted we must have haunted you must have haunted they must have haunted
V-ing perfect
I must have been haunting you must have been haunting she must have been haunting we must have been haunting you must have been haunting they must have been haunting
Negation
Simple form
I must not haunt you must not haunt she must not haunt we must not haunt you must not haunt they must not haunt
V-ing form
I must not be haunting you must not be haunting she must not be haunting we must not be haunting you must not be haunting they must not be haunting
Perfect
I must not have haunted you must not have haunted she must not have haunted we must not have haunted you must not have haunted they must not have haunted
V-ing perfect
I must not have been haunting you must not have been haunting she must not have been haunting we must not have been haunting you must not have been haunting they must not have been haunting
Interrogative form
Simple form
must I haunt? must you haunt? must she haunt? must we haunt? must you haunt? must they haunt?
V-ing form
must I be haunting? must you be haunting? must she be haunting? must we be haunting? must you be haunting? must they be haunting?
Perfect
must I have haunted? must you have haunted? must she have haunted? must we have haunted? must you have haunted? must they have haunted?
V-ing perfect
must I have been haunting? must you have been haunting? must she have been haunting? must we have been haunting? must you have been haunting? must they have been haunting?
Interro-negative form
Simple form
must I not haunt? must you not haunt? must she not haunt? must we not haunt? must you not haunt? must they not haunt?
V-ing form
must I not be haunting? must you not be haunting? must she not be haunting? must we not be haunting? must you not be haunting? must they not be haunting?
Perfect
must I not have haunted? must you not have haunted? must she not have haunted? must we not have haunted? must you not have haunted? must they not have haunted?
V-ing perfect
must I not have been haunting? must you not have been haunting? must she not have been haunting? must we not have been haunting? must you not have been haunting? must they not have been haunting?