must longjump
Regular verb: longjump - longjumped- longjumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must longjump
you must longjump
he must longjump
we must longjump
you must longjump
they must longjump 	I must be longjumping
you must be longjumping
he must be longjumping
we must be longjumping
you must be longjumping
they must be longjumping	I must have longjumped
you must have longjumped
he must have longjumped
we must have longjumped
you must have longjumped
they must have longjumped	I must have been longjumping
you must have been longjumping
he must have been longjumping
we must have been longjumping
you must have been longjumping
they must have been longjumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't longjump
you mustn't longjump
he mustn't longjump
we mustn't longjump
you mustn't longjump
they mustn't longjump 	I mustn't be longjumping
you mustn't be longjumping
he mustn't be longjumping
we mustn't be longjumping
you mustn't be longjumping
they mustn't be longjumping	I mustn't have longjumped
you mustn't have longjumped
he mustn't have longjumped
we mustn't have longjumped
you mustn't have longjumped
they mustn't have longjumped	I mustn't have been longjumping
you mustn't have been longjumping
he mustn't have been longjumping
we mustn't have been longjumping
you mustn't have been longjumping
they mustn't have been longjumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I longjump?
must you longjump?
must he longjump?
must we longjump?
must you longjump?
must they longjump? 	must I be longjumping?
must you be longjumping?
must he be longjumping?
must we be longjumping?
must you be longjumping?
must they be longjumping? 	must I have longjumped?
must you have longjumped?
must he have longjumped?
must we have longjumped?
must you have longjumped?
must they have longjumped? 	must I have been longjumping?
must you have been longjumping?
must he have been longjumping?
must we have been longjumping?
must you have been longjumping?
must they have been longjumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I longjump?
mustn't you longjump?
mustn't he longjump?
mustn't we longjump?
mustn't you longjump?
mustn't they longjump? 	mustn't I be longjumping?
mustn't you be longjumping?
mustn't he be longjumping?
mustn't we be longjumping?
mustn't you be longjumping?
mustn't they be longjumping? 	mustn't I have longjumped?
mustn't you have longjumped?
mustn't he have longjumped?
mustn't we have longjumped?
mustn't you have longjumped?
mustn't they have longjumped? 	mustn't I have been longjumping?
mustn't you have been longjumping?
mustn't he have been longjumping?
mustn't we have been longjumping?
mustn't you have been longjumping?
mustn't they have been longjumping?