I could calibrate you could calibrate he could calibrate we could calibrate you could calibrate they could calibrate
Forme en V-ing
I could be calibrating you could be calibrating he could be calibrating we could be calibrating you could be calibrating they could be calibrating
Perfect
I could have calibrated you could have calibrated he could have calibrated we could have calibrated you could have calibrated they could have calibrated
Perfect en V-ing
I could have been calibrating you could have been calibrating he could have been calibrating we could have been calibrating you could have been calibrating they could have been calibrating
Négation
Forme simple
I couldn't calibrate you couldn't calibrate he couldn't calibrate we couldn't calibrate you couldn't calibrate they couldn't calibrate
Forme en V-ing
I couldn't be calibrating you couldn't be calibrating he couldn't be calibrating we couldn't be calibrating you couldn't be calibrating they couldn't be calibrating
Perfect
I couldn't have calibrated you couldn't have calibrated he couldn't have calibrated we couldn't have calibrated you couldn't have calibrated they couldn't have calibrated
Perfect en V-ing
I couldn't have been calibrating you couldn't have been calibrating he couldn't have been calibrating we couldn't have been calibrating you couldn't have been calibrating they couldn't have been calibrating
Forme interrogative
Forme simple
could I calibrate? could you calibrate? could he calibrate? could we calibrate? could you calibrate? could they calibrate?
Forme en V-ing
could I be calibrating? could you be calibrating? could he be calibrating? could we be calibrating? could you be calibrating? could they be calibrating?
Perfect
could I have calibrated? could you have calibrated? could he have calibrated? could we have calibrated? could you have calibrated? could they have calibrated?
Perfect en V-ing
could I have been calibrating? could you have been calibrating? could he have been calibrating? could we have been calibrating? could you have been calibrating? could they have been calibrating?
Forme interro-négative
Forme simple
couldn't I calibrate? couldn't you calibrate? couldn't he calibrate? couldn't we calibrate? couldn't you calibrate? couldn't they calibrate?
Forme en V-ing
couldn't I be calibrating? couldn't you be calibrating? couldn't he be calibrating? couldn't we be calibrating? couldn't you be calibrating? couldn't they be calibrating?
Perfect
couldn't I have calibrated? couldn't you have calibrated? couldn't he have calibrated? couldn't we have calibrated? couldn't you have calibrated? couldn't they have calibrated?
Perfect en V-ing
couldn't I have been calibrating? couldn't you have been calibrating? couldn't he have been calibrating? couldn't we have been calibrating? couldn't you have been calibrating? couldn't they have been calibrating?