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