English verb conjugation
COULD RECALIBRATE

Regular verb: recalibrate - recalibrated - recalibrated

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I couldn't recalibrate you couldn't recalibrate she couldn't recalibrate we couldn't recalibrate you couldn't recalibrate they couldn't recalibrate	I couldn't be recalibrating you couldn't be recalibrating she couldn't be recalibrating we couldn't be recalibrating you couldn't be recalibrating they couldn't be recalibrating
Perfect	V-ing perfect
I couldn't have recalibrated you couldn't have recalibrated she couldn't have recalibrated we couldn't have recalibrated you couldn't have recalibrated they couldn't have recalibrated	I couldn't have been recalibrating you couldn't have been recalibrating she couldn't have been recalibrating we couldn't have been recalibrating you couldn't have been recalibrating they couldn't have been recalibrating

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
couldn't I recalibrate? couldn't you recalibrate? couldn't she recalibrate? couldn't we recalibrate? couldn't you recalibrate? couldn't they recalibrate?	couldn't I be recalibrating? couldn't you be recalibrating? couldn't she be recalibrating? couldn't we be recalibrating? couldn't you be recalibrating? couldn't they be recalibrating?
Perfect	V-ing perfect
couldn't I have recalibrated? couldn't you have recalibrated? couldn't she have recalibrated? couldn't we have recalibrated? couldn't you have recalibrated? couldn't they have recalibrated?	couldn't I have been recalibrating? couldn't you have been recalibrating? couldn't she have been recalibrating? couldn't we have been recalibrating? couldn't you have been recalibrating? couldn't they have been recalibrating?