Present participle; Past participle - lamenting - lamented Present - lament - lament - laments - lament - lament - lament Past - lamented - lamented - lamented - lamented - lamented - lamented Future - will lament - will lament - will lament - will lament - will lament - will lament Present conditional - would lament - would lament - would lament - would lament - would lament - would lament Present Perfect - have lamented - have lamented - has lamented - have lamented - have lamented - have lamented Past Perfect - had lamented - had lamented - had lamented - had lamented - had lamented - had lamented Future Perfect - will have lamented - will have lamented - will have lamented - will have lamented - will have lamented - will have lamented Past conditional - would have lamented - would have lamented - would have lamented - would have lamented - would have lamented - would have lamented Imperative - - - lament - - - - - - - -