English verb conjugation
MAY COIN

Regular verb: coin - coined - coined

Affirmation

Simple form	V-ing form
I may coin you may coin he may coin we may coin you may coin they may coin	I may be coining you may be coining he may be coining we may be coining you may be coining they may be coining
Perfect	V-ing perfect
I may have coined you may have coined he may have coined we may have coined you may have coined they may have coined	I may have been coining you may have been coining he may have been coining we may have been coining you may have been coining they may have been coining

Negation

Simple form	V-ing form
I mayn't coin you mayn't coin he mayn't coin we mayn't coin you mayn't coin they mayn't coin	I mayn't be coining you mayn't be coining he mayn't be coining we mayn't be coining you mayn't be coining they mayn't be coining
Perfect	V-ing perfect
I mayn't have coined you mayn't have coined he mayn't have coined we mayn't have coined you mayn't have coined they mayn't have coined	I mayn't have been coining you mayn't have been coining he mayn't have been coining we mayn't have been coining you mayn't have been coining they mayn't have been coining

Interrogative form

Simple form	V-ing form
may I coin? may you coin? may he coin? may we coin? may you coin? may they coin?	may I be coining? may you be coining? may he be coining? may we be coining? may you be coining? may they be coining?
Perfect	V-ing perfect
may I have coined? may you have coined? may he have coined? may we have coined? may you have coined? may they have coined?	may I have been coining? may you have been coining? may he have been coining? may we have been coining? may you have been coining? may they have been coining?

Interro-negative form

Simple form	V-ing form
mayn't I coin? mayn't you coin? mayn't he coin? mayn't we coin? mayn't you coin? mayn't they coin?	mayn't I be coining? mayn't you be coining? mayn't he be coining? mayn't we be coining? mayn't you be coining? mayn't they be coining?
Perfect	V-ing perfect
mayn't I have coined? mayn't you have coined? mayn't he have coined? mayn't we have coined? mayn't you have coined? mayn't they have coined?	mayn't I have been coining? mayn't you have been coining? mayn't he have been coining? mayn't we have been coining? mayn't you have been coining? mayn't they have been coining?