English verb conjugation
CAN CALIBRATE

Regular verb: calibrate - calibrated - calibrated

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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