The essence of CLT is a shift of attention from the language system as end in itself to the successful use of that system in context; that is to say from an emphasis on form to an emphasis on communication. Language-learning success is to be assessed neither in terms of accurate grammar and pronunciation for their own sake, nor in terms of explicit knowledge of the rules, but by the ability to do things with the language, appropriately, fluently, and effectively.Consequently communicative pedagogy shifted its attention from the teaching and practice of grammar and pronunciation rules, and the learning of vocabulary lists, to communicative activities