English verb conjugation
MUST CALIBRATE

Regular verb: calibrate - calibrated - calibrated

Affirmation

Simple form	V-ing form
I must calibrate you must calibrate she must calibrate we must calibrate you must calibrate they must calibrate	I must be calibrating you must be calibrating she 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 she 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 she 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 mustn't calibrate you mustn't calibrate she mustn't calibrate we mustn't calibrate you mustn't calibrate they mustn't calibrate	I mustn't be calibrating you mustn't be calibrating she mustn't be calibrating we mustn't be calibrating you mustn't be calibrating they mustn't be calibrating
Perfect	V-ing perfect
I mustn't have calibrated you mustn't have calibrated she mustn't have calibrated we mustn't have calibrated you mustn't have calibrated they mustn't have calibrated	I mustn't have been calibrating you mustn't have been calibrating she mustn't have been calibrating we mustn't have been calibrating you mustn't have been calibrating they mustn't have been calibrating

Interrogative form

Simple form	V-ing form
must I calibrate? must you calibrate? must she calibrate? must we calibrate? must you calibrate? must they calibrate?	must I be calibrating? must you be calibrating? must she 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 she 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 she 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
mustn't I calibrate? mustn't you calibrate? mustn't she calibrate? mustn't we calibrate? mustn't you calibrate? mustn't they calibrate?	mustn't I be calibrating? mustn't you be calibrating? mustn't she be calibrating? mustn't we be calibrating? mustn't you be calibrating? mustn't they be calibrating?
Perfect	V-ing perfect
mustn't I have calibrated? mustn't you have calibrated? mustn't she have calibrated? mustn't we have calibrated? mustn't you have calibrated? mustn't they have calibrated?	mustn't I have been calibrating? mustn't you have been calibrating? mustn't she have been calibrating? mustn't we have been calibrating? mustn't you have been calibrating? mustn't they have been calibrating?