English verb conjugation
MAY CANCEL

Regular verb: cancel - cancelled - cancelled

Affirmation

Simple form	V-ing form
I may cancel you may cancel he may cancel we may cancel you may cancel they may cancel	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	V-ing 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	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	V-ing form
I mayn't cancel you mayn't cancel he mayn't cancel we mayn't cancel you mayn't cancel they mayn't cancel	I mayn't be cancelling you mayn't be cancelling he mayn't be cancelling we mayn't be cancelling you mayn't be cancelling they mayn't be cancelling
Perfect	V-ing perfect
I mayn't have cancelled you mayn't have cancelled he mayn't have cancelled we mayn't have cancelled you mayn't have cancelled they mayn't have cancelled	I mayn't have been cancelling you mayn't have been cancelling he mayn't have been cancelling we mayn't have been cancelling you mayn't have been cancelling they mayn't have been cancelling

Interrogative form

Simple form	V-ing form
may I cancel? may you cancel? may he cancel? may we cancel? may you cancel? may they cancel?	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	V-ing 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?	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	V-ing form
mayn't I cancel? mayn't you cancel? mayn't he cancel? mayn't we cancel? mayn't you cancel? mayn't they cancel?	mayn't I be cancelling? mayn't you be cancelling? mayn't he be cancelling? mayn't we be cancelling? mayn't you be cancelling? mayn't they be cancelling?
Perfect	V-ing perfect
mayn't I have cancelled? mayn't you have cancelled? mayn't he have cancelled? mayn't we have cancelled? mayn't you have cancelled? mayn't they have cancelled?	mayn't I have been cancelling? mayn't you have been cancelling? mayn't he have been cancelling? mayn't we have been cancelling? mayn't you have been cancelling? mayn't they have been cancelling?