English verb conjugation
MUST UMP

Regular verb: ump - umped - umped

Affirmation

Simple form	V-ing form
I must ump you must ump he must ump we must ump you must ump they must ump	I must be umping you must be umping he must be umping we must be umping you must be umping they must be umping
Perfect	V-ing perfect
I must have umped you must have umped he must have umped we must have umped you must have umped they must have umped	I must have been umping you must have been umping he must have been umping we must have been umping you must have been umping they must have been umping

Negation

Simple form	V-ing form
I must not ump you must not ump he must not ump we must not ump you must not ump they must not ump	I must not be umping you must not be umping he must not be umping we must not be umping you must not be umping they must not be umping
Perfect	V-ing perfect
I must not have umped you must not have umped he must not have umped we must not have umped you must not have umped they must not have umped	I must not have been umping you must not have been umping he must not have been umping we must not have been umping you must not have been umping they must not have been umping

Interrogative form

Simple form	V-ing form
must I ump? must you ump? must he ump? must we ump? must you ump? must they ump?	must I be umping? must you be umping? must he be umping? must we be umping? must you be umping? must they be umping?
Perfect	V-ing perfect
must I have umped? must you have umped? must he have umped? must we have umped? must you have umped? must they have umped?	must I have been umping? must you have been umping? must he have been umping? must we have been umping? must you have been umping? must they have been umping?

Interro-negative form

Simple form	V-ing form
must I not ump? must you not ump? must he not ump? must we not ump? must you not ump? must they not ump?	must I not be umping? must you not be umping? must he not be umping? must we not be umping? must you not be umping? must they not be umping?
Perfect	V-ing perfect
must I not have umped? must you not have umped? must he not have umped? must we not have umped? must you not have umped? must they not have umped?	must I not have been umping? must you not have been umping? must he not have been umping? must we not have been umping? must you not have been umping? must they not have been umping?