Present participle; Past participle - crewing - crewed Present - crew - crew - crews - crew - crew - crew Past - crewed - crewed - crewed - crewed - crewed - crewed Future - will crew - will crew - will crew - will crew - will crew - will crew Present conditional - would crew - would crew - would crew - would crew - would crew - would crew Present Perfect - have crewed - have crewed - has crewed - have crewed - have crewed - have crewed Past Perfect - had crewed - had crewed - had crewed - had crewed - had crewed - had crewed Future Perfect - will have crewed - will have crewed - will have crewed - will have crewed - will have crewed - will have crewed Past conditional - would have crewed - would have crewed - would have crewed - would have crewed - would have crewed - would have crewed Imperative - - - crew - - - - - - - -