Present participle; Past participle - modifying - modified Present - modify - modify - modifies - modify - modify - modify Past - modified - modified - modified - modified - modified - modified Future - will modify - will modify - will modify - will modify - will modify - will modify Present conditional - would modify - would modify - would modify - would modify - would modify - would modify Present Perfect - have modified - have modified - has modified - have modified - have modified - have modified Past Perfect - had modified - had modified - had modified - had modified - had modified - had modified Future Perfect - will have modified - will have modified - will have modified - will have modified - will have modified - will have modified Past conditional - would have modified - would have modified - would have modified - would have modified - would have modified - would have modified Imperative - - - modify - - - - - - - -