Present participle; Past participle - mucking - mucked Present - muck - muck - mucks - muck - muck - muck Past - mucked - mucked - mucked - mucked - mucked - mucked Future - will muck - will muck - will muck - will muck - will muck - will muck Present conditional - would muck - would muck - would muck - would muck - would muck - would muck Present Perfect - have mucked - have mucked - has mucked - have mucked - have mucked - have mucked Past Perfect - had mucked - had mucked - had mucked - had mucked - had mucked - had mucked Future Perfect - will have mucked - will have mucked - will have mucked - will have mucked - will have mucked - will have mucked Past conditional - would have mucked - would have mucked - would have mucked - would have mucked - would have mucked - would have mucked Imperative - - - muck - - - - - - - -