Present participle; Past participle - misfiring - misfired Present - misfire - misfire - misfires - misfire - misfire - misfire Past - misfired - misfired - misfired - misfired - misfired - misfired Future - will misfire - will misfire - will misfire - will misfire - will misfire - will misfire Present conditional - would misfire - would misfire - would misfire - would misfire - would misfire - would misfire Present Perfect - have misfired - have misfired - has misfired - have misfired - have misfired - have misfired Past Perfect - had misfired - had misfired - had misfired - had misfired - had misfired - had misfired Future Perfect - will have misfired - will have misfired - will have misfired - will have misfired - will have misfired - will have misfired Past conditional - would have misfired - would have misfired - would have misfired - would have misfired - would have misfired - would have misfired Imperative - - - misfire - - - - - - - -