English verb conjugation
MUST CALIBRATE

Regular verb: calibrate - calibrated - calibrated

Affirmation

Simple form	V-ing form
I must calibrate you must calibrate he must calibrate we must calibrate you must calibrate they must calibrate	I must be calibrating you must be calibrating he must be calibrating we must be calibrating you must be calibrating they must be calibrating
Perfect	V-ing perfect
I must have calibrated you must have calibrated he must have calibrated we must have calibrated you must have calibrated they must have calibrated	I must have been calibrating you must have been calibrating he must have been calibrating we must have been calibrating you must have been calibrating they must have been calibrating

Negation

Simple form	V-ing form
I must not calibrate you must not calibrate he must not calibrate we must not calibrate you must not calibrate they must not calibrate	I must not be calibrating you must not be calibrating he must not be calibrating we must not be calibrating you must not be calibrating they must not be calibrating
Perfect	V-ing perfect
I must not have calibrated you must not have calibrated he must not have calibrated we must not have calibrated you must not have calibrated they must not have calibrated	I must not have been calibrating you must not have been calibrating he must not have been calibrating we must not have been calibrating you must not have been calibrating they must not have been calibrating

Interrogative form

Simple form	V-ing form
must I calibrate? must you calibrate? must he calibrate? must we calibrate? must you calibrate? must they calibrate?	must I be calibrating? must you be calibrating? must he be calibrating? must we be calibrating? must you be calibrating? must they be calibrating?
Perfect	V-ing perfect
must I have calibrated? must you have calibrated? must he have calibrated? must we have calibrated? must you have calibrated? must they have calibrated?	must I have been calibrating? must you have been calibrating? must he have been calibrating? must we have been calibrating? must you have been calibrating? must they have been calibrating?

Interro-negative form

Simple form	V-ing form
must I not calibrate? must you not calibrate? must he not calibrate? must we not calibrate? must you not calibrate? must they not calibrate?	must I not be calibrating? must you not be calibrating? must he not be calibrating? must we not be calibrating? must you not be calibrating? must they not be calibrating?
Perfect	V-ing perfect
must I not have calibrated? must you not have calibrated? must he not have calibrated? must we not have calibrated? must you not have calibrated? must they not have calibrated?	must I not have been calibrating? must you not have been calibrating? must he not have been calibrating? must we not have been calibrating? must you not have been calibrating? must they not have been calibrating?