Present participle; Past participle - keeping - kept Present - keep - keep - keeps - keep - keep - keep Past - kept - kept - kept - kept - kept - kept Future - will keep - will keep - will keep - will keep - will keep - will keep Present conditional - would keep - would keep - would keep - would keep - would keep - would keep Present Perfect - have kept - have kept - has kept - have kept - have kept - have kept Past Perfect - had kept - had kept - had kept - had kept - had kept - had kept Future Perfect - will have kept - will have kept - will have kept - will have kept - will have kept - will have kept Past conditional - would have kept - would have kept - would have kept - would have kept - would have kept - would have kept Imperative - - - keep - - - - - - - -