Present participle; Past participle - hiccoughing - hiccoughed Present - hiccough - hiccough - hiccoughs - hiccough - hiccough - hiccough Past - hiccoughed - hiccoughed - hiccoughed - hiccoughed - hiccoughed - hiccoughed Future - will hiccough - will hiccough - will hiccough - will hiccough - will hiccough - will hiccough Present conditional - would hiccough - would hiccough - would hiccough - would hiccough - would hiccough - would hiccough Present Perfect - have hiccoughed - have hiccoughed - has hiccoughed - have hiccoughed - have hiccoughed - have hiccoughed Past Perfect - had hiccoughed - had hiccoughed - had hiccoughed - had hiccoughed - had hiccoughed - had hiccoughed Future Perfect - will have hiccoughed - will have hiccoughed - will have hiccoughed - will have hiccoughed - will have hiccoughed - will have hiccoughed Past conditional - would have hiccoughed - would have hiccoughed - would have hiccoughed - would have hiccoughed - would have hiccoughed - would have hiccoughed Imperative - - - hiccough - - - - - - - -