Present participle; Past participle - mass-producing - mass-produced Present - mass-produce - mass-produce - mass-produces - mass-produce - mass-produce - mass-produce Past - mass-produced - mass-produced - mass-produced - mass-produced - mass-produced - mass-produced Future - will mass-produce - will mass-produce - will mass-produce - will mass-produce - will mass-produce - will mass-produce Present conditional - would mass-produce - would mass-produce - would mass-produce - would mass-produce - would mass-produce - would mass-produce Present Perfect - have mass-produced - have mass-produced - has mass-produced - have mass-produced - have mass-produced - have mass-produced Past Perfect - had mass-produced - had mass-produced - had mass-produced - had mass-produced - had mass-produced - had mass-produced Future Perfect - will have mass-produced - will have mass-produced - will have mass-produced - will have mass-produced - will have mass-produced - will have mass-produced Past conditional - would have mass-produced - would have mass-produced - would have mass-produced - would have mass-produced - would have mass-produced - would have mass-produced Imperative - - - mass-produce - - - - - - - -