must short
Regular verb: short - shorted- shorted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must short
you must short
he must short
we must short
you must short
they must short 	I must be shorting
you must be shorting
he must be shorting
we must be shorting
you must be shorting
they must be shorting	I must have shorted
you must have shorted
he must have shorted
we must have shorted
you must have shorted
they must have shorted	I must have been shorting
you must have been shorting
he must have been shorting
we must have been shorting
you must have been shorting
they must have been shorting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't short
you mustn't short
he mustn't short
we mustn't short
you mustn't short
they mustn't short 	I mustn't be shorting
you mustn't be shorting
he mustn't be shorting
we mustn't be shorting
you mustn't be shorting
they mustn't be shorting	I mustn't have shorted
you mustn't have shorted
he mustn't have shorted
we mustn't have shorted
you mustn't have shorted
they mustn't have shorted	I mustn't have been shorting
you mustn't have been shorting
he mustn't have been shorting
we mustn't have been shorting
you mustn't have been shorting
they mustn't have been shorting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I short?
must you short?
must he short?
must we short?
must you short?
must they short? 	must I be shorting?
must you be shorting?
must he be shorting?
must we be shorting?
must you be shorting?
must they be shorting? 	must I have shorted?
must you have shorted?
must he have shorted?
must we have shorted?
must you have shorted?
must they have shorted? 	must I have been shorting?
must you have been shorting?
must he have been shorting?
must we have been shorting?
must you have been shorting?
must they have been shorting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I short?
mustn't you short?
mustn't he short?
mustn't we short?
mustn't you short?
mustn't they short? 	mustn't I be shorting?
mustn't you be shorting?
mustn't he be shorting?
mustn't we be shorting?
mustn't you be shorting?
mustn't they be shorting? 	mustn't I have shorted?
mustn't you have shorted?
mustn't he have shorted?
mustn't we have shorted?
mustn't you have shorted?
mustn't they have shorted? 	mustn't I have been shorting?
mustn't you have been shorting?
mustn't he have been shorting?
mustn't we have been shorting?
mustn't you have been shorting?
mustn't they have been shorting?