Present participle; Past participle - prevailing - prevailed Present - prevail - prevail - prevails - prevail - prevail - prevail Past - prevailed - prevailed - prevailed - prevailed - prevailed - prevailed Future - will prevail - will prevail - will prevail - will prevail - will prevail - will prevail Present conditional - would prevail - would prevail - would prevail - would prevail - would prevail - would prevail Present Perfect - have prevailed - have prevailed - has prevailed - have prevailed - have prevailed - have prevailed Past Perfect - had prevailed - had prevailed - had prevailed - had prevailed - had prevailed - had prevailed Future Perfect - will have prevailed - will have prevailed - will have prevailed - will have prevailed - will have prevailed - will have prevailed Past conditional - would have prevailed - would have prevailed - would have prevailed - would have prevailed - would have prevailed - would have prevailed Imperative - - - prevail - - - - - - - -