Present participle; Past participle - amputating - amputated Present - amputate - amputate - amputates - amputate - amputate - amputate Past - amputated - amputated - amputated - amputated - amputated - amputated Future - will amputate - will amputate - will amputate - will amputate - will amputate - will amputate Present conditional - would amputate - would amputate - would amputate - would amputate - would amputate - would amputate Present Perfect - have amputated - have amputated - has amputated - have amputated - have amputated - have amputated Past Perfect - had amputated - had amputated - had amputated - had amputated - had amputated - had amputated Future Perfect - will have amputated - will have amputated - will have amputated - will have amputated - will have amputated - will have amputated Past conditional - would have amputated - would have amputated - would have amputated - would have amputated - would have amputated - would have amputated Imperative - - - amputate - - - - - - - -