Present participle; Past participle - duetting - duetted Present - duet - duet - duets - duet - duet - duet Past - duetted - duetted - duetted - duetted - duetted - duetted Future - will duet - will duet - will duet - will duet - will duet - will duet Present conditional - would duet - would duet - would duet - would duet - would duet - would duet Present Perfect - have duetted - have duetted - has duetted - have duetted - have duetted - have duetted Past Perfect - had duetted - had duetted - had duetted - had duetted - had duetted - had duetted Future Perfect - will have duetted - will have duetted - will have duetted - will have duetted - will have duetted - will have duetted Past conditional - would have duetted - would have duetted - would have duetted - would have duetted - would have duetted - would have duetted Imperative - - - duet - - - - - - - -