Present participle; Past participle - fasting - fasted Present - fast - fast - fasts - fast - fast - fast Past - fasted - fasted - fasted - fasted - fasted - fasted Future - will fast - will fast - will fast - will fast - will fast - will fast Present conditional - would fast - would fast - would fast - would fast - would fast - would fast Present Perfect - have fasted - have fasted - has fasted - have fasted - have fasted - have fasted Past Perfect - had fasted - had fasted - had fasted - had fasted - had fasted - had fasted Future Perfect - will have fasted - will have fasted - will have fasted - will have fasted - will have fasted - will have fasted Past conditional - would have fasted - would have fasted - would have fasted - would have fasted - would have fasted - would have fasted Imperative - - - fast - - - - - - - -