English verb conjugation
MAY PROMISE

Regular verb: promise - promised - promised

Affirmation

Simple form	V-ing form
I may promise you may promise he may promise we may promise you may promise they may promise	I may be promising you may be promising he 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 he 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 he 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 may not promise you may not promise he may not promise we may not promise you may not promise they may not promise	I may not be promising you may not be promising he may not be promising we may not be promising you may not be promising they may not be promising
Perfect	V-ing perfect
I may not have promised you may not have promised he may not have promised we may not have promised you may not have promised they may not have promised	I may not have been promising you may not have been promising he may not have been promising we may not have been promising you may not have been promising they may not have been promising

Interrogative form

Simple form	V-ing form
may I promise? may you promise? may he promise? may we promise? may you promise? may they promise?	may I be promising? may you be promising? may he 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 he 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 he 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
may I not promise? may you not promise? may he not promise? may we not promise? may you not promise? may they not promise?	may I not be promising? may you not be promising? may he not be promising? may we not be promising? may you not be promising? may they not be promising?
Perfect	V-ing perfect
may I not have promised? may you not have promised? may he not have promised? may we not have promised? may you not have promised? may they not have promised?	may I not have been promising? may you not have been promising? may he not have been promising? may we not have been promising? may you not have been promising? may they not have been promising?