Present participle; Past participle - ravel(l)ing - ravel(l)ed Present - ravel - ravel - ravels - ravel - ravel - ravel Past - ravel(l)ed - ravel(l)ed - ravel(l)ed - ravel(l)ed - ravel(l)ed - ravel(l)ed Future - will ravel - will ravel - will ravel - will ravel - will ravel - will ravel Present conditional - would ravel - would ravel - would ravel - would ravel - would ravel - would ravel Present Perfect - have ravel(l)ed - have ravel(l)ed - has ravel(l)ed - have ravel(l)ed - have ravel(l)ed - have ravel(l)ed Past Perfect - had ravel(l)ed - had ravel(l)ed - had ravel(l)ed - had ravel(l)ed - had ravel(l)ed - had ravel(l)ed Future Perfect - will have ravel(l)ed - will have ravel(l)ed - will have ravel(l)ed - will have ravel(l)ed - will have ravel(l)ed - will have ravel(l)ed Past conditional - would have ravel(l)ed - would have ravel(l)ed - would have ravel(l)ed - would have ravel(l)ed - would have ravel(l)ed - would have ravel(l)ed Imperative - - - ravel - - - - - - - -