Nowadays, English is the most important International language used by most people all over the world. As you can see, we can't certainly avoid using English because it can be used both inside and outside the classrooms. English is designed and required to be taught in the curriculum of every school and university in Thailand. So every student has been studying English since they was young. They can also use English in all 4 skills: listening, speaking, reading, writing as well as grammar in all the mass media such as song, movies, newspapers, magazines, novels, internet and talking with foreigners as well.