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The present paper intends to apply the Tense theory of Harald Weinrich to the study of tense in two Persian novels, Boofe Koor and Soveshoon. The findings show that categorization of texts into discussion and narration by Weinrich, could be applied in Persian fiction. Ayande (Future), Haal (Present) and Naqli (Perfect) construct those parts of a text that more tend to have qualities of discussion and discourse. On the other hand, past tenses like Gozashte Sadde (Simple Past), Gozashte Estemrari (Past Progressive) and Gozashte Dour / Ba'eed (Past Perfect) more tend to construct narrative parts of the texts. In addition, each group has its own past, present and future. In discussion system, Naqli plays the role of stating past, Haal is the zero point and states the present and Ayande states the future. On the other hand, in narration system, Gozashte Dour stating past and both Gozashte Sadde and Gozashte Estemrari are zero points and state the present. Moreover, we can say there is not a specific tense in Persian to state the future in this system. Finally, two tenses of Gozshte Sadde and Gozshte Estemarai play a role of foregrounding in narration system. The parts stated by Gozashte Estemrari usually are located on the background of the scene, while the main points of the narration which is stated by Gozashte Sadde are located on the foreground of the scene.

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According to the theory of intertextuality: a text is not created in isolation and cannot be read or interpreted without making references to the other texts. In reading the story of Paykare Farhad the influence of Boofe Koor is clearly noticeable. In fact, there are some signs presented in Paykare Farhad, which can be utilized to find the sources of intertextuality in the text. This Research by using comparative Methods based on the theory of intertextuality and analyzing the evidence attempts to prove the hypothesis, that the Commonality between Paykare Farhad and Boofe Koor that in some cases has got imitating nature is not accidental. And this reflects the influence of Boofe Koor in creating Paykare Farhad: Similar plot, same narrative style (stream of consciousness), the belief in reincarnation, the use of common symbols such as the blue Lily and… are some of the features that Paykare Farhad shares in common with Boofe Koor. The main achievement of this essay is investigation and analysis of these similarities, in order to demonstrate the intertextuality of these two texts.