Present participle; Past participle - dirtying - dirtied Present - dirty - dirty - dirties - dirty - dirty - dirty Past - dirtied - dirtied - dirtied - dirtied - dirtied - dirtied Future - will dirty - will dirty - will dirty - will dirty - will dirty - will dirty Present conditional - would dirty - would dirty - would dirty - would dirty - would dirty - would dirty Present Perfect - have dirtied - have dirtied - has dirtied - have dirtied - have dirtied - have dirtied Past Perfect - had dirtied - had dirtied - had dirtied - had dirtied - had dirtied - had dirtied Future Perfect - will have dirtied - will have dirtied - will have dirtied - will have dirtied - will have dirtied - will have dirtied Past conditional - would have dirtied - would have dirtied - would have dirtied - would have dirtied - would have dirtied - would have dirtied Imperative - - - dirty - - - - - - - -