Prepositions play a significant role in Persian grammar, as they help establish relationships between words, phrases, and clauses. In Persian, prepositions function as connectors, linking nouns, pronouns, or phrases to other elements in a sentence.

One key aspect of prepositions in Persian is their position within the sentence. Unlike in some other languages, Persian prepositions are placed after the word they modify, unlike English where they come before. For example, “در کلاس” (dar kelās) means “in the classroom,” with “در” (dar) being the preposition.

In Persian, some prepositions are used in combination with definite articles, creating compound prepositions. For instance, “به‌طور معمول” (be-tor-e momoal) means “usually,” where “به‌طور” (be-tor) is the compound preposition.

Persian prepositions also have different forms and can change depending on the context, such as whether they are used with pronouns or specific verb tenses. It is crucial for learners of Persian grammar to understand these variations to use prepositions correctly in their speech and writing.