I may decease you may decease she may decease we may decease you may decease they may decease
Forme en V-ing
I may be deceasing you may be deceasing she may be deceasing we may be deceasing you may be deceasing they may be deceasing
Perfect
I may have deceased you may have deceased she may have deceased we may have deceased you may have deceased they may have deceased
Perfect en V-ing
I may have been deceasing you may have been deceasing she may have been deceasing we may have been deceasing you may have been deceasing they may have been deceasing
Négation
Forme simple
I mayn't decease you mayn't decease she mayn't decease we mayn't decease you mayn't decease they mayn't decease
Forme en V-ing
I mayn't be deceasing you mayn't be deceasing she mayn't be deceasing we mayn't be deceasing you mayn't be deceasing they mayn't be deceasing
Perfect
I mayn't have deceased you mayn't have deceased she mayn't have deceased we mayn't have deceased you mayn't have deceased they mayn't have deceased
Perfect en V-ing
I mayn't have been deceasing you mayn't have been deceasing she mayn't have been deceasing we mayn't have been deceasing you mayn't have been deceasing they mayn't have been deceasing
Forme interrogative
Forme simple
may I decease? may you decease? may she decease? may we decease? may you decease? may they decease?
Forme en V-ing
may I be deceasing? may you be deceasing? may she be deceasing? may we be deceasing? may you be deceasing? may they be deceasing?
Perfect
may I have deceased? may you have deceased? may she have deceased? may we have deceased? may you have deceased? may they have deceased?
Perfect en V-ing
may I have been deceasing? may you have been deceasing? may she have been deceasing? may we have been deceasing? may you have been deceasing? may they have been deceasing?
Forme interro-négative
Forme simple
mayn't I decease? mayn't you decease? mayn't she decease? mayn't we decease? mayn't you decease? mayn't they decease?
Forme en V-ing
mayn't I be deceasing? mayn't you be deceasing? mayn't she be deceasing? mayn't we be deceasing? mayn't you be deceasing? mayn't they be deceasing?
Perfect
mayn't I have deceased? mayn't you have deceased? mayn't she have deceased? mayn't we have deceased? mayn't you have deceased? mayn't they have deceased?
Perfect en V-ing
mayn't I have been deceasing? mayn't you have been deceasing? mayn't she have been deceasing? mayn't we have been deceasing? mayn't you have been deceasing? mayn't they have been deceasing?