Present participle; Past participle - ducking - ducked Present - duck - duck - ducks - duck - duck - duck Past - ducked - ducked - ducked - ducked - ducked - ducked Future - will duck - will duck - will duck - will duck - will duck - will duck Present conditional - would duck - would duck - would duck - would duck - would duck - would duck Present Perfect - have ducked - have ducked - has ducked - have ducked - have ducked - have ducked Past Perfect - had ducked - had ducked - had ducked - had ducked - had ducked - had ducked Future Perfect - will have ducked - will have ducked - will have ducked - will have ducked - will have ducked - will have ducked Past conditional - would have ducked - would have ducked - would have ducked - would have ducked - would have ducked - would have ducked Imperative - - - duck - - - - - - - -