Present participle; Past participle - stockpiling - stockpiled Present - stockpile - stockpile - stockpiles - stockpile - stockpile - stockpile Past - stockpiled - stockpiled - stockpiled - stockpiled - stockpiled - stockpiled Future - will stockpile - will stockpile - will stockpile - will stockpile - will stockpile - will stockpile Present conditional - would stockpile - would stockpile - would stockpile - would stockpile - would stockpile - would stockpile Present Perfect - have stockpiled - have stockpiled - has stockpiled - have stockpiled - have stockpiled - have stockpiled Past Perfect - had stockpiled - had stockpiled - had stockpiled - had stockpiled - had stockpiled - had stockpiled Future Perfect - will have stockpiled - will have stockpiled - will have stockpiled - will have stockpiled - will have stockpiled - will have stockpiled Past conditional - would have stockpiled - would have stockpiled - would have stockpiled - would have stockpiled - would have stockpiled - would have stockpiled Imperative - - - stockpile - - - - - - - -