English verb conjugation
MUST LONGJUMP

Regular verb: longjump - longjumped - longjumped

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?