Present participle; Past participle - railing - railed Present - rail - rail - rails - rail - rail - rail Past - railed - railed - railed - railed - railed - railed Future - will rail - will rail - will rail - will rail - will rail - will rail Present conditional - would rail - would rail - would rail - would rail - would rail - would rail Present Perfect - have railed - have railed - has railed - have railed - have railed - have railed Past Perfect - had railed - had railed - had railed - had railed - had railed - had railed Future Perfect - will have railed - will have railed - will have railed - will have railed - will have railed - will have railed Past conditional - would have railed - would have railed - would have railed - would have railed - would have railed - would have railed Imperative - - - rail - - - - - - - -