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