Focuses on a single rule of grammar to produce evidence of a memory system for language acquisition and processing that is modular; independent of real-world meaning; unaffected by frequency and similarity; sensitive to formal distinctions; more sophisticated than the explicitly-taught rules it subsumes; developed independently of ambient input;…

The importance of training second language learners in the patterns of occurrence of certain phonemes is discussed, focusing on the use of spelling as a primary predictor of pronunciation. Four different pronunciations of "ng" in English (as in "engaging, singer, changing, dangle") are used to illustrate this principle. A review of pronunciation…