Present participle; Past participle - coexisting - coexisted Present - coexist - coexist - coexists - coexist - coexist - coexist Past - coexisted - coexisted - coexisted - coexisted - coexisted - coexisted Future - will coexist - will coexist - will coexist - will coexist - will coexist - will coexist Present conditional - would coexist - would coexist - would coexist - would coexist - would coexist - would coexist Present Perfect - have coexisted - have coexisted - has coexisted - have coexisted - have coexisted - have coexisted Past Perfect - had coexisted - had coexisted - had coexisted - had coexisted - had coexisted - had coexisted Future Perfect - will have coexisted - will have coexisted - will have coexisted - will have coexisted - will have coexisted - will have coexisted Past conditional - would have coexisted - would have coexisted - would have coexisted - would have coexisted - would have coexisted - would have coexisted Imperative - - - coexist - - - - - - - -