Present participle; Past participle - harping - harped Present - harp - harp - harps - harp - harp - harp Past - harped - harped - harped - harped - harped - harped Future - will harp - will harp - will harp - will harp - will harp - will harp Present conditional - would harp - would harp - would harp - would harp - would harp - would harp Present Perfect - have harped - have harped - has harped - have harped - have harped - have harped Past Perfect - had harped - had harped - had harped - had harped - had harped - had harped Future Perfect - will have harped - will have harped - will have harped - will have harped - will have harped - will have harped Past conditional - would have harped - would have harped - would have harped - would have harped - would have harped - would have harped Imperative - - - harp - - - - - - - -