must longjump
Regular verb: longjump - longjumped- longjumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must longjump
you must longjump
she must longjump
we must longjump
you must longjump
they must longjump 	I must be longjumping
you must be longjumping
she must be longjumping
we must be longjumping
you must be longjumping
they must be longjumping	I must have longjumped
you must have longjumped
she 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
she 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 must not longjump
you must not longjump
she must not longjump
we must not longjump
you must not longjump
they must not longjump 	I must not be longjumping
you must not be longjumping
she must not be longjumping
we must not be longjumping
you must not be longjumping
they must not be longjumping	I must not have longjumped
you must not have longjumped
she must not have longjumped
we must not have longjumped
you must not have longjumped
they must not have longjumped	I must not have been longjumping
you must not have been longjumping
she must not have been longjumping
we must not have been longjumping
you must not have been longjumping
they must not have been longjumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I longjump?
must you longjump?
must she longjump?
must we longjump?
must you longjump?
must they longjump? 	must I be longjumping?
must you be longjumping?
must she be longjumping?
must we be longjumping?
must you be longjumping?
must they be longjumping? 	must I have longjumped?
must you have longjumped?
must she 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 she 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 	
must I not longjump?
must you not longjump?
must she not longjump?
must we not longjump?
must you not longjump?
must they not longjump? 	must I not be longjumping?
must you not be longjumping?
must she not be longjumping?
must we not be longjumping?
must you not be longjumping?
must they not be longjumping? 	must I not have longjumped?
must you not have longjumped?
must she not have longjumped?
must we not have longjumped?
must you not have longjumped?
must they not have longjumped? 	must I not have been longjumping?
must you not have been longjumping?
must she not have been longjumping?
must we not have been longjumping?
must you not have been longjumping?
must they not have been longjumping?