Present participle; Past participle - spluttering - spluttered Present - splutter - splutter - splutters - splutter - splutter - splutter Past - spluttered - spluttered - spluttered - spluttered - spluttered - spluttered Future - will splutter - will splutter - will splutter - will splutter - will splutter - will splutter Present conditional - would splutter - would splutter - would splutter - would splutter - would splutter - would splutter Present Perfect - have spluttered - have spluttered - has spluttered - have spluttered - have spluttered - have spluttered Past Perfect - had spluttered - had spluttered - had spluttered - had spluttered - had spluttered - had spluttered Future Perfect - will have spluttered - will have spluttered - will have spluttered - will have spluttered - will have spluttered - will have spluttered Past conditional - would have spluttered - would have spluttered - would have spluttered - would have spluttered - would have spluttered - would have spluttered Imperative - - - splutter - - - - - - - -