Present participle; Past participle - leathering - leathered Present - leather - leather - leathers - leather - leather - leather Past - leathered - leathered - leathered - leathered - leathered - leathered Future - will leather - will leather - will leather - will leather - will leather - will leather Present conditional - would leather - would leather - would leather - would leather - would leather - would leather Present Perfect - have leathered - have leathered - has leathered - have leathered - have leathered - have leathered Past Perfect - had leathered - had leathered - had leathered - had leathered - had leathered - had leathered Future Perfect - will have leathered - will have leathered - will have leathered - will have leathered - will have leathered - will have leathered Past conditional - would have leathered - would have leathered - would have leathered - would have leathered - would have leathered - would have leathered Imperative - - - leather - - - - - - - -