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Stauble, Ann-Marie; Larsen-Freeman, Diane – 1978
This study presents a formal device which can be used to display interlanguage variability while revealing its overall systematicity. Two types of variability are recognized: (1) production of a number of variant structures for a single target language structure at one point in time; and (2) variation over time that is attributable to the…
Descriptors: English (Second Language), Grammar, Interlanguage, Language Processing
