Present participle; Past participle - understating - understated Present - understate - understate - understates - understate - understate - understate Past - understated - understated - understated - understated - understated - understated Future - will understate - will understate - will understate - will understate - will understate - will understate Present conditional - would understate - would understate - would understate - would understate - would understate - would understate Present Perfect - have understated - have understated - has understated - have understated - have understated - have understated Past Perfect - had understated - had understated - had understated - had understated - had understated - had understated Future Perfect - will have understated - will have understated - will have understated - will have understated - will have understated - will have understated Past conditional - would have understated - would have understated - would have understated - would have understated - would have understated - would have understated Imperative - - - understate - - - - - - - -