Present participle; Past participle - selling - sold Present - sell - sell - sells - sell - sell - sell Past - sold - sold - sold - sold - sold - sold Future - will sell - will sell - will sell - will sell - will sell - will sell Present conditional - would sell - would sell - would sell - would sell - would sell - would sell Present Perfect - have sold - have sold - has sold - have sold - have sold - have sold Past Perfect - had sold - had sold - had sold - had sold - had sold - had sold Future Perfect - will have sold - will have sold - will have sold - will have sold - will have sold - will have sold Past conditional - would have sold - would have sold - would have sold - would have sold - would have sold - would have sold Imperative - - - sell - - - - - - - -