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