must shoehorn
Regular verb: shoehorn - shoehorned- shoehorned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shoehorn
you must shoehorn
he must shoehorn
we must shoehorn
you must shoehorn
they must shoehorn 	I must be shoehorning
you must be shoehorning
he must be shoehorning
we must be shoehorning
you must be shoehorning
they must be shoehorning	I must have shoehorned
you must have shoehorned
he must have shoehorned
we must have shoehorned
you must have shoehorned
they must have shoehorned	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 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't shoehorn
you mustn't shoehorn
he mustn't shoehorn
we mustn't shoehorn
you mustn't shoehorn
they mustn't shoehorn 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
must I shoehorn?
must you shoehorn?
must he shoehorn?
must we shoehorn?
must you shoehorn?
must they shoehorn? 	must I be shoehorning?
must you be shoehorning?
must he be shoehorning?
must we be shoehorning?
must you be shoehorning?
must they be shoehorning? 	must I have shoehorned?
must you have shoehorned?
must he have shoehorned?
must we have shoehorned?
must you have shoehorned?
must they have shoehorned? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I shoehorn?
mustn't you shoehorn?
mustn't he shoehorn?
mustn't we shoehorn?
mustn't you shoehorn?
mustn't they shoehorn? 	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? 	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? 	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?