Present participle; Past participle - water-skiing - water-skied Present - water-ski - water-ski - water-skis - water-ski - water-ski - water-ski Past - water-skied - water-skied - water-skied - water-skied - water-skied - water-skied Future - will water-ski - will water-ski - will water-ski - will water-ski - will water-ski - will water-ski Present conditional - would water-ski - would water-ski - would water-ski - would water-ski - would water-ski - would water-ski Present Perfect - have water-skied - have water-skied - has water-skied - have water-skied - have water-skied - have water-skied Past Perfect - had water-skied - had water-skied - had water-skied - had water-skied - had water-skied - had water-skied Future Perfect - will have water-skied - will have water-skied - will have water-skied - will have water-skied - will have water-skied - will have water-skied Past conditional - would have water-skied - would have water-skied - would have water-skied - would have water-skied - would have water-skied - would have water-skied Imperative - - - water-ski - - - - - - - -