English verb conjugation
MUST PREFUND

Regular verb: prefund - prefunded - prefunded

Affirmation

Simple form	V-ing form
I must prefund you must prefund he must prefund we must prefund you must prefund they must prefund	I must be prefunding you must be prefunding he must be prefunding we must be prefunding you must be prefunding they must be prefunding
Perfect	V-ing perfect
I must have prefunded you must have prefunded he must have prefunded we must have prefunded you must have prefunded they must have prefunded	I must have been prefunding you must have been prefunding he must have been prefunding we must have been prefunding you must have been prefunding they must have been prefunding

Negation

Simple form	V-ing form
I must not prefund you must not prefund he must not prefund we must not prefund you must not prefund they must not prefund	I must not be prefunding you must not be prefunding he must not be prefunding we must not be prefunding you must not be prefunding they must not be prefunding
Perfect	V-ing perfect
I must not have prefunded you must not have prefunded he must not have prefunded we must not have prefunded you must not have prefunded they must not have prefunded	I must not have been prefunding you must not have been prefunding he must not have been prefunding we must not have been prefunding you must not have been prefunding they must not have been prefunding

Interrogative form

Simple form	V-ing form
must I prefund? must you prefund? must he prefund? must we prefund? must you prefund? must they prefund?	must I be prefunding? must you be prefunding? must he be prefunding? must we be prefunding? must you be prefunding? must they be prefunding?
Perfect	V-ing perfect
must I have prefunded? must you have prefunded? must he have prefunded? must we have prefunded? must you have prefunded? must they have prefunded?	must I have been prefunding? must you have been prefunding? must he have been prefunding? must we have been prefunding? must you have been prefunding? must they have been prefunding?

Interro-negative form

Simple form	V-ing form
must I not prefund? must you not prefund? must he not prefund? must we not prefund? must you not prefund? must they not prefund?	must I not be prefunding? must you not be prefunding? must he not be prefunding? must we not be prefunding? must you not be prefunding? must they not be prefunding?
Perfect	V-ing perfect
must I not have prefunded? must you not have prefunded? must he not have prefunded? must we not have prefunded? must you not have prefunded? must they not have prefunded?	must I not have been prefunding? must you not have been prefunding? must he not have been prefunding? must we not have been prefunding? must you not have been prefunding? must they not have been prefunding?