English verb conjugation
MAY DECEASE

Regular verb: decease - deceased - deceased

Affirmation

Simple form	V-ing form
I may decease you may decease he may decease we may decease you may decease they may decease	I may be deceasing you may be deceasing he may be deceasing we may be deceasing you may be deceasing they may be deceasing
Perfect	V-ing perfect
I may have deceased you may have deceased he may have deceased we may have deceased you may have deceased they may have deceased	I may have been deceasing you may have been deceasing he may have been deceasing we may have been deceasing you may have been deceasing they may have been deceasing

Negation

Simple form	V-ing form
I mayn't decease you mayn't decease he mayn't decease we mayn't decease you mayn't decease they mayn't decease	I mayn't be deceasing you mayn't be deceasing he mayn't be deceasing we mayn't be deceasing you mayn't be deceasing they mayn't be deceasing
Perfect	V-ing perfect
I mayn't have deceased you mayn't have deceased he mayn't have deceased we mayn't have deceased you mayn't have deceased they mayn't have deceased	I mayn't have been deceasing you mayn't have been deceasing he mayn't have been deceasing we mayn't have been deceasing you mayn't have been deceasing they mayn't have been deceasing

Interrogative form

Simple form	V-ing form
may I decease? may you decease? may he decease? may we decease? may you decease? may they decease?	may I be deceasing? may you be deceasing? may he be deceasing? may we be deceasing? may you be deceasing? may they be deceasing?
Perfect	V-ing perfect
may I have deceased? may you have deceased? may he have deceased? may we have deceased? may you have deceased? may they have deceased?	may I have been deceasing? may you have been deceasing? may he have been deceasing? may we have been deceasing? may you have been deceasing? may they have been deceasing?

Interro-negative form

Simple form	V-ing form
mayn't I decease? mayn't you decease? mayn't he decease? mayn't we decease? mayn't you decease? mayn't they decease?	mayn't I be deceasing? mayn't you be deceasing? mayn't he be deceasing? mayn't we be deceasing? mayn't you be deceasing? mayn't they be deceasing?
Perfect	V-ing perfect
mayn't I have deceased? mayn't you have deceased? mayn't he have deceased? mayn't we have deceased? mayn't you have deceased? mayn't they have deceased?	mayn't I have been deceasing? mayn't you have been deceasing? mayn't he have been deceasing? mayn't we have been deceasing? mayn't you have been deceasing? mayn't they have been deceasing?