The current study is concerned with the hypothesis that fairclaugh's (1989) model is enough to cover a discourse linguistically and for achieving this hypothesis, a theoretical view is given Fairclaugh's approach and followed by a practical application of this model by using a qualitative analysis to clarify the hypothesis. The study reaches a result that in spite of fact Fairclaugh's claim that his approach is not enough to tackle a discourse linguistically, the study approved that the model of Fairclaugh (1989) is enough to accomplish this need.