Present participle; Past participle - slowing - slowed Present - slow - slow - slows - slow - slow - slow Past - slowed - slowed - slowed - slowed - slowed - slowed Future - will slow - will slow - will slow - will slow - will slow - will slow Present conditional - would slow - would slow - would slow - would slow - would slow - would slow Present Perfect - have slowed - have slowed - has slowed - have slowed - have slowed - have slowed Past Perfect - had slowed - had slowed - had slowed - had slowed - had slowed - had slowed Future Perfect - will have slowed - will have slowed - will have slowed - will have slowed - will have slowed - will have slowed Past conditional - would have slowed - would have slowed - would have slowed - would have slowed - would have slowed - would have slowed Imperative - - - slow - - - - - - - -