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