I may calibrate you may calibrate he may calibrate we may calibrate you may calibrate they may calibrate
V-ing form
I may be calibrating you may be calibrating he may be calibrating we may be calibrating you may be calibrating they may be calibrating
Perfect
I may have calibrated you may have calibrated he may have calibrated we may have calibrated you may have calibrated they may have calibrated
V-ing perfect
I may have been calibrating you may have been calibrating he may have been calibrating we may have been calibrating you may have been calibrating they may have been calibrating
Negation
Simple form
I mayn't calibrate you mayn't calibrate he mayn't calibrate we mayn't calibrate you mayn't calibrate they mayn't calibrate
V-ing form
I mayn't be calibrating you mayn't be calibrating he mayn't be calibrating we mayn't be calibrating you mayn't be calibrating they mayn't be calibrating
Perfect
I mayn't have calibrated you mayn't have calibrated he mayn't have calibrated we mayn't have calibrated you mayn't have calibrated they mayn't have calibrated
V-ing perfect
I mayn't have been calibrating you mayn't have been calibrating he mayn't have been calibrating we mayn't have been calibrating you mayn't have been calibrating they mayn't have been calibrating
Interrogative form
Simple form
may I calibrate? may you calibrate? may he calibrate? may we calibrate? may you calibrate? may they calibrate?
V-ing form
may I be calibrating? may you be calibrating? may he be calibrating? may we be calibrating? may you be calibrating? may they be calibrating?
Perfect
may I have calibrated? may you have calibrated? may he have calibrated? may we have calibrated? may you have calibrated? may they have calibrated?
V-ing perfect
may I have been calibrating? may you have been calibrating? may he have been calibrating? may we have been calibrating? may you have been calibrating? may they have been calibrating?
Interro-negative form
Simple form
mayn't I calibrate? mayn't you calibrate? mayn't he calibrate? mayn't we calibrate? mayn't you calibrate? mayn't they calibrate?
V-ing form
mayn't I be calibrating? mayn't you be calibrating? mayn't he be calibrating? mayn't we be calibrating? mayn't you be calibrating? mayn't they be calibrating?
Perfect
mayn't I have calibrated? mayn't you have calibrated? mayn't he have calibrated? mayn't we have calibrated? mayn't you have calibrated? mayn't they have calibrated?
V-ing perfect
mayn't I have been calibrating? mayn't you have been calibrating? mayn't he have been calibrating? mayn't we have been calibrating? mayn't you have been calibrating? mayn't they have been calibrating?