could recalibrate
Regular verb: recalibrate - recalibrated- recalibrated

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

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

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

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