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