Argues that a pattern analogous to that in speech errors also appears in intrasentential code-switching, i.e., the alternating use of two languages in a sentence by bilinguals. Notes that studies of spontaneous conversation of bilinguals indicate that open class items may be code-switched, but closed class items may not. (41 references) (Author/CK)

Analysis of data from the first six months of acquisition of English as a second language by a Japanese five-year-old illustrated the role of modular "chunking" and coupling in the second language acquisition process, apparent in the child's pre-copula and copula referential utterances. (Author/CB)