网页2024年8月22日 · When a morpheme is represented by a segment, that segment is a morph. If a morpheme can be represented by more than one morph, the morphs are allomorphs of the same morpheme: the prefixes in-(insane), il-(illegible), im-(impossible), ir-(irregular) are allomorphs of the same negative morpheme." —Sidney Greenbaum, The Oxford English Grammar ...