could haunt
Regular verb: haunt - haunted- haunted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could haunt
you could haunt
she could haunt
we could haunt
you could haunt
they could haunt 	I could be haunting
you could be haunting
she could be haunting
we could be haunting
you could be haunting
they could be haunting	I could have haunted
you could have haunted
she could have haunted
we could have haunted
you could have haunted
they could have haunted	I could have been haunting
you could have been haunting
she could have been haunting
we could have been haunting
you could have been haunting
they could have been haunting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't haunt
you couldn't haunt
she couldn't haunt
we couldn't haunt
you couldn't haunt
they couldn't haunt 	I couldn't be haunting
you couldn't be haunting
she couldn't be haunting
we couldn't be haunting
you couldn't be haunting
they couldn't be haunting	I couldn't have haunted
you couldn't have haunted
she couldn't have haunted
we couldn't have haunted
you couldn't have haunted
they couldn't have haunted	I couldn't have been haunting
you couldn't have been haunting
she couldn't have been haunting
we couldn't have been haunting
you couldn't have been haunting
they couldn't have been haunting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I haunt?
could you haunt?
could she haunt?
could we haunt?
could you haunt?
could they haunt? 	could I be haunting?
could you be haunting?
could she be haunting?
could we be haunting?
could you be haunting?
could they be haunting? 	could I have haunted?
could you have haunted?
could she have haunted?
could we have haunted?
could you have haunted?
could they have haunted? 	could I have been haunting?
could you have been haunting?
could she have been haunting?
could we have been haunting?
could you have been haunting?
could they have been haunting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I haunt?
couldn't you haunt?
couldn't she haunt?
couldn't we haunt?
couldn't you haunt?
couldn't they haunt? 	couldn't I be haunting?
couldn't you be haunting?
couldn't she be haunting?
couldn't we be haunting?
couldn't you be haunting?
couldn't they be haunting? 	couldn't I have haunted?
couldn't you have haunted?
couldn't she have haunted?
couldn't we have haunted?
couldn't you have haunted?
couldn't they have haunted? 	couldn't I have been haunting?
couldn't you have been haunting?
couldn't she have been haunting?
couldn't we have been haunting?
couldn't you have been haunting?
couldn't they have been haunting?