Present participle; Past participle - shirking - shirked Present - shirk - shirk - shirks - shirk - shirk - shirk Past - shirked - shirked - shirked - shirked - shirked - shirked Future - will shirk - will shirk - will shirk - will shirk - will shirk - will shirk Present conditional - would shirk - would shirk - would shirk - would shirk - would shirk - would shirk Present Perfect - have shirked - have shirked - has shirked - have shirked - have shirked - have shirked Past Perfect - had shirked - had shirked - had shirked - had shirked - had shirked - had shirked Future Perfect - will have shirked - will have shirked - will have shirked - will have shirked - will have shirked - will have shirked Past conditional - would have shirked - would have shirked - would have shirked - would have shirked - would have shirked - would have shirked Imperative - - - shirk - - - - - - - -