Present participle; Past participle - forking - forked Present - fork - fork - forks - fork - fork - fork Past - forked - forked - forked - forked - forked - forked Future - will fork - will fork - will fork - will fork - will fork - will fork Present conditional - would fork - would fork - would fork - would fork - would fork - would fork Present Perfect - have forked - have forked - has forked - have forked - have forked - have forked Past Perfect - had forked - had forked - had forked - had forked - had forked - had forked Future Perfect - will have forked - will have forked - will have forked - will have forked - will have forked - will have forked Past conditional - would have forked - would have forked - would have forked - would have forked - would have forked - would have forked Imperative - - - fork - - - - - - - -