I must reinvent you must reinvent he must reinvent we must reinvent you must reinvent they must reinvent
V-ing form
I must be reinventing you must be reinventing he must be reinventing we must be reinventing you must be reinventing they must be reinventing
Perfect
I must have reinvented you must have reinvented he must have reinvented we must have reinvented you must have reinvented they must have reinvented
V-ing perfect
I must have been reinventing you must have been reinventing he must have been reinventing we must have been reinventing you must have been reinventing they must have been reinventing
Negation
Simple form
I mustn't reinvent you mustn't reinvent he mustn't reinvent we mustn't reinvent you mustn't reinvent they mustn't reinvent
V-ing form
I mustn't be reinventing you mustn't be reinventing he mustn't be reinventing we mustn't be reinventing you mustn't be reinventing they mustn't be reinventing
Perfect
I mustn't have reinvented you mustn't have reinvented he mustn't have reinvented we mustn't have reinvented you mustn't have reinvented they mustn't have reinvented
V-ing perfect
I mustn't have been reinventing you mustn't have been reinventing he mustn't have been reinventing we mustn't have been reinventing you mustn't have been reinventing they mustn't have been reinventing
Interrogative form
Simple form
must I reinvent? must you reinvent? must he reinvent? must we reinvent? must you reinvent? must they reinvent?
V-ing form
must I be reinventing? must you be reinventing? must he be reinventing? must we be reinventing? must you be reinventing? must they be reinventing?
Perfect
must I have reinvented? must you have reinvented? must he have reinvented? must we have reinvented? must you have reinvented? must they have reinvented?
V-ing perfect
must I have been reinventing? must you have been reinventing? must he have been reinventing? must we have been reinventing? must you have been reinventing? must they have been reinventing?
Interro-negative form
Simple form
mustn't I reinvent? mustn't you reinvent? mustn't he reinvent? mustn't we reinvent? mustn't you reinvent? mustn't they reinvent?
V-ing form
mustn't I be reinventing? mustn't you be reinventing? mustn't he be reinventing? mustn't we be reinventing? mustn't you be reinventing? mustn't they be reinventing?
Perfect
mustn't I have reinvented? mustn't you have reinvented? mustn't he have reinvented? mustn't we have reinvented? mustn't you have reinvented? mustn't they have reinvented?
V-ing perfect
mustn't I have been reinventing? mustn't you have been reinventing? mustn't he have been reinventing? mustn't we have been reinventing? mustn't you have been reinventing? mustn't they have been reinventing?