Present participle; Past participle - compounding - compounded Present - compound - compound - compounds - compound - compound - compound Past - compounded - compounded - compounded - compounded - compounded - compounded Future - will compound - will compound - will compound - will compound - will compound - will compound Present conditional - would compound - would compound - would compound - would compound - would compound - would compound Present Perfect - have compounded - have compounded - has compounded - have compounded - have compounded - have compounded Past Perfect - had compounded - had compounded - had compounded - had compounded - had compounded - had compounded Future Perfect - will have compounded - will have compounded - will have compounded - will have compounded - will have compounded - will have compounded Past conditional - would have compounded - would have compounded - would have compounded - would have compounded - would have compounded - would have compounded Imperative - - - compound - - - - - - - -