1 Background The alternation of two languages inside and outside of sentences –codeswitching (CS hereafter) has been studied mainly from two perspectives, i.e. grammatical/syntactic and pragmatic/discourse (Romaine, 1995). Although these two aspects are related and a knowledge of one helps understand the other (Myers-Scotton, 2002:Chapter 2), because of a limit in space, I will focus on the str...