Present participle; Past participle - shirring - shirred Present - shirr - shirr - shirrs - shirr - shirr - shirr Past - shirred - shirred - shirred - shirred - shirred - shirred Future - will shirr - will shirr - will shirr - will shirr - will shirr - will shirr Present conditional - would shirr - would shirr - would shirr - would shirr - would shirr - would shirr Present Perfect - have shirred - have shirred - has shirred - have shirred - have shirred - have shirred Past Perfect - had shirred - had shirred - had shirred - had shirred - had shirred - had shirred Future Perfect - will have shirred - will have shirred - will have shirred - will have shirred - will have shirred - will have shirred Past conditional - would have shirred - would have shirred - would have shirred - would have shirred - would have shirred - would have shirred Imperative - - - shirr - - - - - - - -