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