I may cancel you may cancel he may cancel we may cancel you may cancel they may cancel
V-ing form
I may be cancelling you may be cancelling he may be cancelling we may be cancelling you may be cancelling they may be cancelling
Perfect
I may have cancelled you may have cancelled he may have cancelled we may have cancelled you may have cancelled they may have cancelled
V-ing perfect
I may have been cancelling you may have been cancelling he may have been cancelling we may have been cancelling you may have been cancelling they may have been cancelling
Negation
Simple form
I may not cancel you may not cancel he may not cancel we may not cancel you may not cancel they may not cancel
V-ing form
I may not be cancelling you may not be cancelling he may not be cancelling we may not be cancelling you may not be cancelling they may not be cancelling
Perfect
I may not have cancelled you may not have cancelled he may not have cancelled we may not have cancelled you may not have cancelled they may not have cancelled
V-ing perfect
I may not have been cancelling you may not have been cancelling he may not have been cancelling we may not have been cancelling you may not have been cancelling they may not have been cancelling
Interrogative form
Simple form
may I cancel? may you cancel? may he cancel? may we cancel? may you cancel? may they cancel?
V-ing form
may I be cancelling? may you be cancelling? may he be cancelling? may we be cancelling? may you be cancelling? may they be cancelling?
Perfect
may I have cancelled? may you have cancelled? may he have cancelled? may we have cancelled? may you have cancelled? may they have cancelled?
V-ing perfect
may I have been cancelling? may you have been cancelling? may he have been cancelling? may we have been cancelling? may you have been cancelling? may they have been cancelling?
Interro-negative form
Simple form
may I not cancel? may you not cancel? may he not cancel? may we not cancel? may you not cancel? may they not cancel?
V-ing form
may I not be cancelling? may you not be cancelling? may he not be cancelling? may we not be cancelling? may you not be cancelling? may they not be cancelling?
Perfect
may I not have cancelled? may you not have cancelled? may he not have cancelled? may we not have cancelled? may you not have cancelled? may they not have cancelled?
V-ing perfect
may I not have been cancelling? may you not have been cancelling? may he not have been cancelling? may we not have been cancelling? may you not have been cancelling? may they not have been cancelling?