Present participle; Past participle - sourcing - sourced Present - source - source - sources - source - source - source Past - sourced - sourced - sourced - sourced - sourced - sourced Future - will source - will source - will source - will source - will source - will source Present conditional - would source - would source - would source - would source - would source - would source Present Perfect - have sourced - have sourced - has sourced - have sourced - have sourced - have sourced Past Perfect - had sourced - had sourced - had sourced - had sourced - had sourced - had sourced Future Perfect - will have sourced - will have sourced - will have sourced - will have sourced - will have sourced - will have sourced Past conditional - would have sourced - would have sourced - would have sourced - would have sourced - would have sourced - would have sourced Imperative - - - source - - - - - - - -