Present participle; Past participle - shuttering - shuttered Present - shutter - shutter - shutters - shutter - shutter - shutter Past - shuttered - shuttered - shuttered - shuttered - shuttered - shuttered Future - will shutter - will shutter - will shutter - will shutter - will shutter - will shutter Present conditional - would shutter - would shutter - would shutter - would shutter - would shutter - would shutter Present Perfect - have shuttered - have shuttered - has shuttered - have shuttered - have shuttered - have shuttered Past Perfect - had shuttered - had shuttered - had shuttered - had shuttered - had shuttered - had shuttered Future Perfect - will have shuttered - will have shuttered - will have shuttered - will have shuttered - will have shuttered - will have shuttered Past conditional - would have shuttered - would have shuttered - would have shuttered - would have shuttered - would have shuttered - would have shuttered Imperative - - - shutter - - - - - - - -