Present participle; Past participle - persisting - persisted Present - persist - persist - persists - persist - persist - persist Past - persisted - persisted - persisted - persisted - persisted - persisted Future - will persist - will persist - will persist - will persist - will persist - will persist Present conditional - would persist - would persist - would persist - would persist - would persist - would persist Present Perfect - have persisted - have persisted - has persisted - have persisted - have persisted - have persisted Past Perfect - had persisted - had persisted - had persisted - had persisted - had persisted - had persisted Future Perfect - will have persisted - will have persisted - will have persisted - will have persisted - will have persisted - will have persisted Past conditional - would have persisted - would have persisted - would have persisted - would have persisted - would have persisted - would have persisted Imperative - - - persist - - - - - - - -