must prenegotiate
Regular verb: prenegotiate - prenegotiated- prenegotiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prenegotiate
you must prenegotiate
he must prenegotiate
we must prenegotiate
you must prenegotiate
they must prenegotiate 	I must be prenegotiating
you must be prenegotiating
he must be prenegotiating
we must be prenegotiating
you must be prenegotiating
they must be prenegotiating	I must have prenegotiated
you must have prenegotiated
he must have prenegotiated
we must have prenegotiated
you must have prenegotiated
they must have prenegotiated	I must have been prenegotiating
you must have been prenegotiating
he must have been prenegotiating
we must have been prenegotiating
you must have been prenegotiating
they must have been prenegotiating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't prenegotiate
you mustn't prenegotiate
he mustn't prenegotiate
we mustn't prenegotiate
you mustn't prenegotiate
they mustn't prenegotiate 	I mustn't be prenegotiating
you mustn't be prenegotiating
he mustn't be prenegotiating
we mustn't be prenegotiating
you mustn't be prenegotiating
they mustn't be prenegotiating	I mustn't have prenegotiated
you mustn't have prenegotiated
he mustn't have prenegotiated
we mustn't have prenegotiated
you mustn't have prenegotiated
they mustn't have prenegotiated	I mustn't have been prenegotiating
you mustn't have been prenegotiating
he mustn't have been prenegotiating
we mustn't have been prenegotiating
you mustn't have been prenegotiating
they mustn't have been prenegotiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prenegotiate?
must you prenegotiate?
must he prenegotiate?
must we prenegotiate?
must you prenegotiate?
must they prenegotiate? 	must I be prenegotiating?
must you be prenegotiating?
must he be prenegotiating?
must we be prenegotiating?
must you be prenegotiating?
must they be prenegotiating? 	must I have prenegotiated?
must you have prenegotiated?
must he have prenegotiated?
must we have prenegotiated?
must you have prenegotiated?
must they have prenegotiated? 	must I have been prenegotiating?
must you have been prenegotiating?
must he have been prenegotiating?
must we have been prenegotiating?
must you have been prenegotiating?
must they have been prenegotiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I prenegotiate?
mustn't you prenegotiate?
mustn't he prenegotiate?
mustn't we prenegotiate?
mustn't you prenegotiate?
mustn't they prenegotiate? 	mustn't I be prenegotiating?
mustn't you be prenegotiating?
mustn't he be prenegotiating?
mustn't we be prenegotiating?
mustn't you be prenegotiating?
mustn't they be prenegotiating? 	mustn't I have prenegotiated?
mustn't you have prenegotiated?
mustn't he have prenegotiated?
mustn't we have prenegotiated?
mustn't you have prenegotiated?
mustn't they have prenegotiated? 	mustn't I have been prenegotiating?
mustn't you have been prenegotiating?
mustn't he have been prenegotiating?
mustn't we have been prenegotiating?
mustn't you have been prenegotiating?
mustn't they have been prenegotiating?