Present participle; Past participle - harnessing - harnessed Present - harness - harness - harnesses - harness - harness - harness Past - harnessed - harnessed - harnessed - harnessed - harnessed - harnessed Future - will harness - will harness - will harness - will harness - will harness - will harness Present conditional - would harness - would harness - would harness - would harness - would harness - would harness Present Perfect - have harnessed - have harnessed - has harnessed - have harnessed - have harnessed - have harnessed Past Perfect - had harnessed - had harnessed - had harnessed - had harnessed - had harnessed - had harnessed Future Perfect - will have harnessed - will have harnessed - will have harnessed - will have harnessed - will have harnessed - will have harnessed Past conditional - would have harnessed - would have harnessed - would have harnessed - would have harnessed - would have harnessed - would have harnessed Imperative - - - harness - - - - - - - -