Present participle; Past participle - suborning - suborned Present - suborn - suborn - suborns - suborn - suborn - suborn Past - suborned - suborned - suborned - suborned - suborned - suborned Future - will suborn - will suborn - will suborn - will suborn - will suborn - will suborn Present conditional - would suborn - would suborn - would suborn - would suborn - would suborn - would suborn Present Perfect - have suborned - have suborned - has suborned - have suborned - have suborned - have suborned Past Perfect - had suborned - had suborned - had suborned - had suborned - had suborned - had suborned Future Perfect - will have suborned - will have suborned - will have suborned - will have suborned - will have suborned - will have suborned Past conditional - would have suborned - would have suborned - would have suborned - would have suborned - would have suborned - would have suborned Imperative - - - suborn - - - - - - - -