Present participle; Past participle - overhearing - overheard Present - overhear - overhear - overhears - overhear - overhear - overhear Past - overheard - overheard - overheard - overheard - overheard - overheard Future - will overhear - will overhear - will overhear - will overhear - will overhear - will overhear Present conditional - would overhear - would overhear - would overhear - would overhear - would overhear - would overhear Present Perfect - have overheard - have overheard - has overheard - have overheard - have overheard - have overheard Past Perfect - had overheard - had overheard - had overheard - had overheard - had overheard - had overheard Future Perfect - will have overheard - will have overheard - will have overheard - will have overheard - will have overheard - will have overheard Past conditional - would have overheard - would have overheard - would have overheard - would have overheard - would have overheard - would have overheard Imperative - - - overhear - - - - - - - -