The present study sought to explore adverbs in Persian according to two generative viewpoints, namely the traditional adjunct-based approach and Cinqueʼs specifier-based approach. Accepting the categorization of adverbs into sentential and verbial ones, the study revealed that in Persian adverbs appear in sentence-initial, post-subject, and pre-verb phrase positions. It was also shown that only if the adverbs of manner appeared in the pre-verb position, they were interpreted as manner adverbs. However, when they occupied post-subject position, they were considered subject-oriented adverbs. Moreover, the heavy stress could make Persian adverbs appear in the initial position in sentences. The coordination of Persian adverbs was also evidenced...