DEFINITION ALLOMORPHS : Variations of Morphemes. Allomorphs are different forms of the same morpheme, or basic unit of meaning. These can be different pronunciations or different spellings. An allomorphs is «any of the differents forms of a morpheme» ( Richards, Platt & weber, 1987)
The allomorphs of a morpheme are derived from phonological rules and any morphonemic rules that may apply to that morpheme. Examples of allomorphs: 1. The plural morphemes in English, usually written as s , has at least 3 allomorphons: s as in judges yudgis z as in dogs dogz IZ as in boxes boksiz
2. The past form morpheme ed usually has also three allomorphos : d as in ‘ hunted ’ h> ntd t as in ‘ fished ’ fistt id as in ‘ buzzed ’ buzid 3 . The negative morpheme changes ‘ n’ the prefix in to the consononant of the word it prefixes :
iI as in ‘ illegal ’ I’li:gl im as in ‘ impatient ’ Im’petsnt ir as in ‘irregular’ Iregjele ® in as in ‘ inconsiderate ’ Inken’sideret
TYPES OF ALLOMORPHS 1. ADDITIVE ALLOMORPHS The suffix – ed wich can be pronounced as either / -t/, or /-d/ or /-Id/: ask + - ed / a : sk / + / -t/ liv(e) + ed / llv / + / -d/ Need + - ed / nid:d / + / -Id
REPLACIVE ALLOMORPHS The / I / in Drink is replaced by the / ae / In Drank to signal the simple past .
SUPPLETIVE ALLOMORPHS GO + the suppletive allomorph of - D1 = went Be + the suppletive allomorph of - S3 = is Bad + the suppletive allomorph of - er1 = worse Good + the suppletive allomorph of - est1 = best .
ZERO ALLOMORPH The past tense form of hurt is formed by adding the zero allomorph of -D1 to this word . HURT HURT