Critiques Pienemann and Johnston (1987), an influential model of the acquisition of English as a second language (ESL) morphology. The article demonstrates that their proposals are incompatible with syntactic analyses of word formation and emphasizes that second language researchers must ensure that models of second language acquisition are…

Discusses the "null prep phenomenon" reported in studies of the second language (L2) development of extraction constructions. Reviews a proposal that null prep grammars represent a generalized procedure in L2 development, that of early reliance on A-bar binding construals when the target grammar requires wh-movement. Offers an…

Lexical semantics and contrastive lexical semantics can serve as a background discipline to describe and, to some extent, to explain errors in interlanguage. Two developments in lexical semantics that are relevant in this area are the description of sense-relationships and componential analysis. Contrastive lexical semantics involves mapping the…