English verb conjugation
MUST PERFORATE

Regular verb: perforate - perforated - perforated

Affirmation

Simple form	V-ing form
I must perforate you must perforate she must perforate we must perforate you must perforate they must perforate	I must be perforating you must be perforating she must be perforating we must be perforating you must be perforating they must be perforating
Perfect	V-ing perfect
I must have perforated you must have perforated she must have perforated we must have perforated you must have perforated they must have perforated	I must have been perforating you must have been perforating she must have been perforating we must have been perforating you must have been perforating they must have been perforating

Negation

Simple form	V-ing form
I must not perforate you must not perforate she must not perforate we must not perforate you must not perforate they must not perforate	I must not be perforating you must not be perforating she must not be perforating we must not be perforating you must not be perforating they must not be perforating
Perfect	V-ing perfect
I must not have perforated you must not have perforated she must not have perforated we must not have perforated you must not have perforated they must not have perforated	I must not have been perforating you must not have been perforating she must not have been perforating we must not have been perforating you must not have been perforating they must not have been perforating

Interrogative form

Simple form	V-ing form
must I perforate? must you perforate? must she perforate? must we perforate? must you perforate? must they perforate?	must I be perforating? must you be perforating? must she be perforating? must we be perforating? must you be perforating? must they be perforating?
Perfect	V-ing perfect
must I have perforated? must you have perforated? must she have perforated? must we have perforated? must you have perforated? must they have perforated?	must I have been perforating? must you have been perforating? must she have been perforating? must we have been perforating? must you have been perforating? must they have been perforating?

Interro-negative form

Simple form	V-ing form
must I not perforate? must you not perforate? must she not perforate? must we not perforate? must you not perforate? must they not perforate?	must I not be perforating? must you not be perforating? must she not be perforating? must we not be perforating? must you not be perforating? must they not be perforating?
Perfect	V-ing perfect
must I not have perforated? must you not have perforated? must she not have perforated? must we not have perforated? must you not have perforated? must they not have perforated?	must I not have been perforating? must you not have been perforating? must she not have been perforating? must we not have been perforating? must you not have been perforating? must they not have been perforating?