In present, we found that the most Thai people have a lot of the problems to the communication in English. So it made us want to learn more about the research and the theory of the use of English for the communication to information on the implementation of the seminar and to solve the problems of the communication in English better.
From the study of the theory of Bygate and Litle Wood, It found that grammar and vocabulary are also important factor in effective of the communicate.
From the study of the theory of Bygate and Litle Wood, It found that grammar and vocabulary are important factor in the communicate to enhance efficiency.