Many researchers have assumed that adult bilinguals have separate systems for their two languages. Such an assumption raises interesting questions about how the two languages are acquired in the case of a child learning two languages simultaneously. This study attempts to determine whether the two languages are acquired separately right from the…

This paper investigates the development of negative Wh-questions in a four year old subject acquiring English as her L1. Spontaneous and elicited speech samples were collected over a period of 6 months. During the course of the study, the subject began to invert subject and auxiliary, and by the end of the study she was inverting correctly in 38%…