Present participle; Past participle - scowling - scowled Present - scowl - scowl - scowls - scowl - scowl - scowl Past - scowled - scowled - scowled - scowled - scowled - scowled Future - will scowl - will scowl - will scowl - will scowl - will scowl - will scowl Present conditional - would scowl - would scowl - would scowl - would scowl - would scowl - would scowl Present Perfect - have scowled - have scowled - has scowled - have scowled - have scowled - have scowled Past Perfect - had scowled - had scowled - had scowled - had scowled - had scowled - had scowled Future Perfect - will have scowled - will have scowled - will have scowled - will have scowled - will have scowled - will have scowled Past conditional - would have scowled - would have scowled - would have scowled - would have scowled - would have scowled - would have scowled Imperative - - - scowl - - - - - - - -