Present participle; Past participle - foundering - foundered Present - founder - founder - founders - founder - founder - founder Past - foundered - foundered - foundered - foundered - foundered - foundered Future - will founder - will founder - will founder - will founder - will founder - will founder Present conditional - would founder - would founder - would founder - would founder - would founder - would founder Present Perfect - have foundered - have foundered - has foundered - have foundered - have foundered - have foundered Past Perfect - had foundered - had foundered - had foundered - had foundered - had foundered - had foundered Future Perfect - will have foundered - will have foundered - will have foundered - will have foundered - will have foundered - will have foundered Past conditional - would have foundered - would have foundered - would have foundered - would have foundered - would have foundered - would have foundered Imperative - - - founder - - - - - - - -