Present participle; Past participle - unscrewing - unscrewed Present - unscrew - unscrew - unscrews - unscrew - unscrew - unscrew Past - unscrewed - unscrewed - unscrewed - unscrewed - unscrewed - unscrewed Future - will unscrew - will unscrew - will unscrew - will unscrew - will unscrew - will unscrew Present conditional - would unscrew - would unscrew - would unscrew - would unscrew - would unscrew - would unscrew Present Perfect - have unscrewed - have unscrewed - has unscrewed - have unscrewed - have unscrewed - have unscrewed Past Perfect - had unscrewed - had unscrewed - had unscrewed - had unscrewed - had unscrewed - had unscrewed Future Perfect - will have unscrewed - will have unscrewed - will have unscrewed - will have unscrewed - will have unscrewed - will have unscrewed Past conditional - would have unscrewed - would have unscrewed - would have unscrewed - would have unscrewed - would have unscrewed - would have unscrewed Imperative - - - unscrew - - - - - - - -