English verb conjugation
MAY PREVAIL

Regular verb: prevail - prevailed - prevailed

Affirmation

Simple form	V-ing form
I may prevail you may prevail she may prevail we may prevail you may prevail they may prevail	I may be prevailing you may be prevailing she may be prevailing we may be prevailing you may be prevailing they may be prevailing
Perfect	V-ing perfect
I may have prevailed you may have prevailed she may have prevailed we may have prevailed you may have prevailed they may have prevailed	I may have been prevailing you may have been prevailing she may have been prevailing we may have been prevailing you may have been prevailing they may have been prevailing

Negation

Simple form	V-ing form
I mayn't prevail you mayn't prevail she mayn't prevail we mayn't prevail you mayn't prevail they mayn't prevail	I mayn't be prevailing you mayn't be prevailing she mayn't be prevailing we mayn't be prevailing you mayn't be prevailing they mayn't be prevailing
Perfect	V-ing perfect
I mayn't have prevailed you mayn't have prevailed she mayn't have prevailed we mayn't have prevailed you mayn't have prevailed they mayn't have prevailed	I mayn't have been prevailing you mayn't have been prevailing she mayn't have been prevailing we mayn't have been prevailing you mayn't have been prevailing they mayn't have been prevailing

Interrogative form

Simple form	V-ing form
may I prevail? may you prevail? may she prevail? may we prevail? may you prevail? may they prevail?	may I be prevailing? may you be prevailing? may she be prevailing? may we be prevailing? may you be prevailing? may they be prevailing?
Perfect	V-ing perfect
may I have prevailed? may you have prevailed? may she have prevailed? may we have prevailed? may you have prevailed? may they have prevailed?	may I have been prevailing? may you have been prevailing? may she have been prevailing? may we have been prevailing? may you have been prevailing? may they have been prevailing?

Interro-negative form

Simple form	V-ing form
mayn't I prevail? mayn't you prevail? mayn't she prevail? mayn't we prevail? mayn't you prevail? mayn't they prevail?	mayn't I be prevailing? mayn't you be prevailing? mayn't she be prevailing? mayn't we be prevailing? mayn't you be prevailing? mayn't they be prevailing?
Perfect	V-ing perfect
mayn't I have prevailed? mayn't you have prevailed? mayn't she have prevailed? mayn't we have prevailed? mayn't you have prevailed? mayn't they have prevailed?	mayn't I have been prevailing? mayn't you have been prevailing? mayn't she have been prevailing? mayn't we have been prevailing? mayn't you have been prevailing? mayn't they have been prevailing?