English verb conjugation
MUST PORTION

Regular verb: portion - portioned - portioned

Affirmation

Simple form	V-ing form
I must portion you must portion he must portion we must portion you must portion they must portion	I must be portioning you must be portioning he must be portioning we must be portioning you must be portioning they must be portioning
Perfect	V-ing perfect
I must have portioned you must have portioned he must have portioned we must have portioned you must have portioned they must have portioned	I must have been portioning you must have been portioning he must have been portioning we must have been portioning you must have been portioning they must have been portioning

Negation

Simple form	V-ing form
I must not portion you must not portion he must not portion we must not portion you must not portion they must not portion	I must not be portioning you must not be portioning he must not be portioning we must not be portioning you must not be portioning they must not be portioning
Perfect	V-ing perfect
I must not have portioned you must not have portioned he must not have portioned we must not have portioned you must not have portioned they must not have portioned	I must not have been portioning you must not have been portioning he must not have been portioning we must not have been portioning you must not have been portioning they must not have been portioning

Interrogative form

Simple form	V-ing form
must I portion? must you portion? must he portion? must we portion? must you portion? must they portion?	must I be portioning? must you be portioning? must he be portioning? must we be portioning? must you be portioning? must they be portioning?
Perfect	V-ing perfect
must I have portioned? must you have portioned? must he have portioned? must we have portioned? must you have portioned? must they have portioned?	must I have been portioning? must you have been portioning? must he have been portioning? must we have been portioning? must you have been portioning? must they have been portioning?

Interro-negative form

Simple form	V-ing form
must I not portion? must you not portion? must he not portion? must we not portion? must you not portion? must they not portion?	must I not be portioning? must you not be portioning? must he not be portioning? must we not be portioning? must you not be portioning? must they not be portioning?
Perfect	V-ing perfect
must I not have portioned? must you not have portioned? must he not have portioned? must we not have portioned? must you not have portioned? must they not have portioned?	must I not have been portioning? must you not have been portioning? must he not have been portioning? must we not have been portioning? must you not have been portioning? must they not have been portioning?