The Tense Comparison Theory in Serbian Grammar analyzes the use and meaning of different verb tenses in the Serbian language. The theory focuses on the comparison between past, present, and future tenses, providing insights into their nuances and usage patterns.

According to the theory, the past tense is used to describe completed actions in the past, while the present tense is employed to express ongoing actions or general truths. Additionally, the future tense is used to indicate actions that are yet to happen.

The theory also highlights the importance of context and aspect in determining the appropriate tense. The perfective aspect, for example, is often used with the past tense to denote completed actions, whereas the imperfective aspect is commonly used with the present tense to convey ongoing actions.

Furthermore, the Tense Comparison Theory emphasizes the distinction between simple and compound tenses, as well as the use of auxiliary verbs to express different tenses.

Overall, the Tense Comparison Theory provides a comprehensive framework for understanding and using verb tenses in Serbian Grammar, allowing learners to effectively communicate in various time contexts.