English verb conjugation
MAY PROMISE

Regular verb: promise - promised - promised

Affirmation

Simple form	V-ing form
I may promise you may promise she may promise we may promise you may promise they may promise	I may be promising you may be promising she may be promising we may be promising you may be promising they may be promising
Perfect	V-ing perfect
I may have promised you may have promised she may have promised we may have promised you may have promised they may have promised	I may have been promising you may have been promising she may have been promising we may have been promising you may have been promising they may have been promising

Negation

Simple form	V-ing form
I mayn't promise you mayn't promise she mayn't promise we mayn't promise you mayn't promise they mayn't promise	I mayn't be promising you mayn't be promising she mayn't be promising we mayn't be promising you mayn't be promising they mayn't be promising
Perfect	V-ing perfect
I mayn't have promised you mayn't have promised she mayn't have promised we mayn't have promised you mayn't have promised they mayn't have promised	I mayn't have been promising you mayn't have been promising she mayn't have been promising we mayn't have been promising you mayn't have been promising they mayn't have been promising

Interrogative form

Simple form	V-ing form
may I promise? may you promise? may she promise? may we promise? may you promise? may they promise?	may I be promising? may you be promising? may she be promising? may we be promising? may you be promising? may they be promising?
Perfect	V-ing perfect
may I have promised? may you have promised? may she have promised? may we have promised? may you have promised? may they have promised?	may I have been promising? may you have been promising? may she have been promising? may we have been promising? may you have been promising? may they have been promising?

Interro-negative form

Simple form	V-ing form
mayn't I promise? mayn't you promise? mayn't she promise? mayn't we promise? mayn't you promise? mayn't they promise?	mayn't I be promising? mayn't you be promising? mayn't she be promising? mayn't we be promising? mayn't you be promising? mayn't they be promising?
Perfect	V-ing perfect
mayn't I have promised? mayn't you have promised? mayn't she have promised? mayn't we have promised? mayn't you have promised? mayn't they have promised?	mayn't I have been promising? mayn't you have been promising? mayn't she have been promising? mayn't we have been promising? mayn't you have been promising? mayn't they have been promising?