must haunt
Regular verb: haunt - haunted- haunted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must haunt
you must haunt
she must haunt
we must haunt
you must haunt
they must haunt 	I must be haunting
you must be haunting
she must be haunting
we must be haunting
you must be haunting
they must be haunting	I must have haunted
you must have haunted
she must have haunted
we must have haunted
you must have haunted
they must have haunted	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 	V-ing form 	Perfect 	V-ing perfect 	
I must not haunt
you must not haunt
she must not haunt
we must not haunt
you must not haunt
they must not haunt 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
must I haunt?
must you haunt?
must she haunt?
must we haunt?
must you haunt?
must they haunt? 	must I be haunting?
must you be haunting?
must she be haunting?
must we be haunting?
must you be haunting?
must they be haunting? 	must I have haunted?
must you have haunted?
must she have haunted?
must we have haunted?
must you have haunted?
must they have haunted? 	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 	V-ing form 	Perfect 	V-ing perfect 	
must I not haunt?
must you not haunt?
must she not haunt?
must we not haunt?
must you not haunt?
must they not haunt? 	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? 	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? 	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?