must recalibrate
Regular verb: recalibrate - recalibrated- recalibrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must recalibrate
you must recalibrate
he must recalibrate
we must recalibrate
you must recalibrate
they must recalibrate 	I must be recalibrating
you must be recalibrating
he must be recalibrating
we must be recalibrating
you must be recalibrating
they must be recalibrating	I must have recalibrated
you must have recalibrated
he must have recalibrated
we must have recalibrated
you must have recalibrated
they must have recalibrated	I must have been recalibrating
you must have been recalibrating
he must have been recalibrating
we must have been recalibrating
you must have been recalibrating
they must have been recalibrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not recalibrate
you must not recalibrate
he must not recalibrate
we must not recalibrate
you must not recalibrate
they must not recalibrate 	I must not be recalibrating
you must not be recalibrating
he must not be recalibrating
we must not be recalibrating
you must not be recalibrating
they must not be recalibrating	I must not have recalibrated
you must not have recalibrated
he must not have recalibrated
we must not have recalibrated
you must not have recalibrated
they must not have recalibrated	I must not have been recalibrating
you must not have been recalibrating
he must not have been recalibrating
we must not have been recalibrating
you must not have been recalibrating
they must not have been recalibrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I recalibrate?
must you recalibrate?
must he recalibrate?
must we recalibrate?
must you recalibrate?
must they recalibrate? 	must I be recalibrating?
must you be recalibrating?
must he be recalibrating?
must we be recalibrating?
must you be recalibrating?
must they be recalibrating? 	must I have recalibrated?
must you have recalibrated?
must he have recalibrated?
must we have recalibrated?
must you have recalibrated?
must they have recalibrated? 	must I have been recalibrating?
must you have been recalibrating?
must he have been recalibrating?
must we have been recalibrating?
must you have been recalibrating?
must they have been recalibrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not recalibrate?
must you not recalibrate?
must he not recalibrate?
must we not recalibrate?
must you not recalibrate?
must they not recalibrate? 	must I not be recalibrating?
must you not be recalibrating?
must he not be recalibrating?
must we not be recalibrating?
must you not be recalibrating?
must they not be recalibrating? 	must I not have recalibrated?
must you not have recalibrated?
must he not have recalibrated?
must we not have recalibrated?
must you not have recalibrated?
must they not have recalibrated? 	must I not have been recalibrating?
must you not have been recalibrating?
must he not have been recalibrating?
must we not have been recalibrating?
must you not have been recalibrating?
must they not have been recalibrating?