English is an international language,which is used by most people all over the world,taught and learn in many countries either as second language or foreign language. Language is not just a symbol . they also often conform to rough a grammar , or system of rules, used to manipulate the symbols. While a set of symbols may be used for expression or communication,it is primitive and relatively unexpressive,because there are on clear or regular relationships between the symbols. Because a language also often has a grammar,it can manipulate its symbols to express clear and regular relationships between them.