may calibrate
Regular verb: calibrate - calibrated- calibrated

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

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

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

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