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