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