Present participle; Past participle - scarfing - scarfed Present - scarf - scarf - scarfs - scarf - scarf - scarf Past - scarfed - scarfed - scarfed - scarfed - scarfed - scarfed Future - will scarf - will scarf - will scarf - will scarf - will scarf - will scarf Present conditional - would scarf - would scarf - would scarf - would scarf - would scarf - would scarf Present Perfect - have scarfed - have scarfed - has scarfed - have scarfed - have scarfed - have scarfed Past Perfect - had scarfed - had scarfed - had scarfed - had scarfed - had scarfed - had scarfed Future Perfect - will have scarfed - will have scarfed - will have scarfed - will have scarfed - will have scarfed - will have scarfed Past conditional - would have scarfed - would have scarfed - would have scarfed - would have scarfed - would have scarfed - would have scarfed Imperative - - - scarf - - - - - - - -