1 Introduction 1In the present day world of increasing integration and globalization, English is naturally recognized as having an extremely important role Starting from a collection of dialects spoken in the southern counties of England, after nearly four centuries the English language has expanded far beyond its nation, and has now become a lingua franca in * Tel 84 946296999, Email vanhv@vnu edu vn; vanhv sdh@gmail com two distinct but related senses “international language” and “global langu[.]