The past decade in the study and teaching of language - foreign Ianguages (FLI. English as a second language (ESLI. and English as a foreign language (EFL) - has seen a shift away from perceiving language as \u27code\u27 (a linear sequence of structural elements) to perceiving language as the performance of communicative acts within social contexts. Up to the early 1970s language teaching was seen as a matter of exposing students to sequentially·graded grammatical structures (for example, the pres~nt continuous verb form, I am walking might l;Ie taught before the past form I walked) and invented language forms divorced from normal contexts (for example, Teacher: Where is the book? Response: The book is on the desk. ) with the intention o...