In second language (L2) research, the lexical unit is often defined as a base word plus inflectional and derivational forms through Level 6 of Bauer and Nation's framework (WF6). WF6 use has been justified by the assumption that once a form is known, recognition of other WF6 members requires little extra effort. A more lenient view holds that an…

This study examines first language (L1) English transfer in the acquisition of plural noun semantics in second language (L2) Arabic. Drawing on previous research on the L2 acquisition of plural noun interpretation, the study presents and discusses new production data of specific and generic definite plurals by English-speaking learners of Arabic…

The aim of this article is to show that the use of Spanish grammatical aspect is biased by inherent aspect depending on the learner's first language (L1). It considers both the Lexical Aspect Hypothesis (LAH; Andersen, 1986, and his followers) and the L1 Transfer Hypothesis (Izquierdo & Collins, 2008; McManus, 2015), and it compares the use of…

This study compares Arabic L1, L2, and heritage speakers' (HS) knowledge of plural formation, which involves concatenative and nonconcatenative modes of derivation. Ninety participants (divided equally among L1, L2, and heritage speakers) completed two oral tasks: a picture naming task (to measure proficiency) and a plural formation task. The…

This study examines the simultaneous use of English and Chinese by speakers of Chinese as a heritage language (CHL). It focuses on spontaneous, dynamic, and high-density mixing of the two languages within the smallest building block of a speaking turn: the turn constructional unit (TCU). Drawing upon data from different age and proficiency groups,…