Present participle; Past participle - undervaluing - undervalued Present - undervalue - undervalue - undervalues - undervalue - undervalue - undervalue Past - undervalued - undervalued - undervalued - undervalued - undervalued - undervalued Future - will undervalue - will undervalue - will undervalue - will undervalue - will undervalue - will undervalue Present conditional - would undervalue - would undervalue - would undervalue - would undervalue - would undervalue - would undervalue Present Perfect - have undervalued - have undervalued - has undervalued - have undervalued - have undervalued - have undervalued Past Perfect - had undervalued - had undervalued - had undervalued - had undervalued - had undervalued - had undervalued Future Perfect - will have undervalued - will have undervalued - will have undervalued - will have undervalued - will have undervalued - will have undervalued Past conditional - would have undervalued - would have undervalued - would have undervalued - would have undervalued - would have undervalued - would have undervalued Imperative - - - undervalue - - - - - - - -