must calibrate
Verbe régulier : calibrate - calibrated- calibrated
Traduction française : étalonner - calibrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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?