English verb conjugation
MUST INTERPENETRATE

Regular verb: interpenetrate - interpenetrated - interpenetrated

Affirmation

Simple form	V-ing form
I must interpenetrate you must interpenetrate he must interpenetrate we must interpenetrate you must interpenetrate they must interpenetrate	I must be interpenetrating you must be interpenetrating he must be interpenetrating we must be interpenetrating you must be interpenetrating they must be interpenetrating
Perfect	V-ing perfect
I must have interpenetrated you must have interpenetrated he must have interpenetrated we must have interpenetrated you must have interpenetrated they must have interpenetrated	I must have been interpenetrating you must have been interpenetrating he must have been interpenetrating we must have been interpenetrating you must have been interpenetrating they must have been interpenetrating

Negation

Simple form	V-ing form
I must not interpenetrate you must not interpenetrate he must not interpenetrate we must not interpenetrate you must not interpenetrate they must not interpenetrate	I must not be interpenetrating you must not be interpenetrating he must not be interpenetrating we must not be interpenetrating you must not be interpenetrating they must not be interpenetrating
Perfect	V-ing perfect
I must not have interpenetrated you must not have interpenetrated he must not have interpenetrated we must not have interpenetrated you must not have interpenetrated they must not have interpenetrated	I must not have been interpenetrating you must not have been interpenetrating he must not have been interpenetrating we must not have been interpenetrating you must not have been interpenetrating they must not have been interpenetrating

Interrogative form

Simple form	V-ing form
must I interpenetrate? must you interpenetrate? must he interpenetrate? must we interpenetrate? must you interpenetrate? must they interpenetrate?	must I be interpenetrating? must you be interpenetrating? must he be interpenetrating? must we be interpenetrating? must you be interpenetrating? must they be interpenetrating?
Perfect	V-ing perfect
must I have interpenetrated? must you have interpenetrated? must he have interpenetrated? must we have interpenetrated? must you have interpenetrated? must they have interpenetrated?	must I have been interpenetrating? must you have been interpenetrating? must he have been interpenetrating? must we have been interpenetrating? must you have been interpenetrating? must they have been interpenetrating?

Interro-negative form

Simple form	V-ing form
must I not interpenetrate? must you not interpenetrate? must he not interpenetrate? must we not interpenetrate? must you not interpenetrate? must they not interpenetrate?	must I not be interpenetrating? must you not be interpenetrating? must he not be interpenetrating? must we not be interpenetrating? must you not be interpenetrating? must they not be interpenetrating?
Perfect	V-ing perfect
must I not have interpenetrated? must you not have interpenetrated? must he not have interpenetrated? must we not have interpenetrated? must you not have interpenetrated? must they not have interpenetrated?	must I not have been interpenetrating? must you not have been interpenetrating? must he not have been interpenetrating? must we not have been interpenetrating? must you not have been interpenetrating? must they not have been interpenetrating?