English verb conjugation
COULD RECALIBRATE

Regular verb: recalibrate - recalibrated - recalibrated

Affirmation

Simple form	V-ing form
I could recalibrate you could recalibrate he could recalibrate we could recalibrate you could recalibrate they could recalibrate	I could be recalibrating you could be recalibrating he 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 he 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 he 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 he 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 he 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 he 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 he 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 he recalibrate? could we recalibrate? could you recalibrate? could they recalibrate?	could I be recalibrating? could you be recalibrating? could he 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 he 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 he 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 he 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 he 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 he 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 he have been recalibrating? couldn't we have been recalibrating? couldn't you have been recalibrating? couldn't they have been recalibrating?