Present participle; Past participle - sinewing - sinewed Present - sinew - sinew - sinews - sinew - sinew - sinew Past - sinewed - sinewed - sinewed - sinewed - sinewed - sinewed Future - will sinew - will sinew - will sinew - will sinew - will sinew - will sinew Present conditional - would sinew - would sinew - would sinew - would sinew - would sinew - would sinew Present Perfect - have sinewed - have sinewed - has sinewed - have sinewed - have sinewed - have sinewed Past Perfect - had sinewed - had sinewed - had sinewed - had sinewed - had sinewed - had sinewed Future Perfect - will have sinewed - will have sinewed - will have sinewed - will have sinewed - will have sinewed - will have sinewed Past conditional - would have sinewed - would have sinewed - would have sinewed - would have sinewed - would have sinewed - would have sinewed Imperative - - - sinew - - - - - - - -