Present participle; Past participle - scuffing - scuffed Present - scuff - scuff - scuffs - scuff - scuff - scuff Past - scuffed - scuffed - scuffed - scuffed - scuffed - scuffed Future - will scuff - will scuff - will scuff - will scuff - will scuff - will scuff Present conditional - would scuff - would scuff - would scuff - would scuff - would scuff - would scuff Present Perfect - have scuffed - have scuffed - has scuffed - have scuffed - have scuffed - have scuffed Past Perfect - had scuffed - had scuffed - had scuffed - had scuffed - had scuffed - had scuffed Future Perfect - will have scuffed - will have scuffed - will have scuffed - will have scuffed - will have scuffed - will have scuffed Past conditional - would have scuffed - would have scuffed - would have scuffed - would have scuffed - would have scuffed - would have scuffed Imperative - - - scuff - - - - - - - -