Here's why:
* Prepositional Phrases: These are groups of words that begin with a preposition (words like "on," "in," "to," "with," "by," etc.) and end with a noun or pronoun (the object of the preposition). They function as adjectives or adverbs, modifying other words in the sentence.
* Subjects and Verbs: Subjects are the noun or pronoun that performs the action in a sentence. Verbs are the words that describe the action or state of being.
Example:
* The cat sat on the mat.
* "on the mat" is the prepositional phrase.
* "cat" is the subject and "sat" is the verb.
Key Takeaway: Prepositional phrases modify other words in the sentence but don't have their own subjects and verbs. They are dependent structures that add information about location, time, manner, etc.