Are the two kinds of prepositional phrases found in sentences adjective and adverb phrases?

Yes, that's correct! Prepositional phrases can function as either adjective phrases or adverb phrases depending on their role in the sentence.

Here's a breakdown:

* Adjective Phrases: These prepositional phrases modify nouns or pronouns, answering the question "Which one?" or "What kind?"

* Example: "The book on the table is mine." (The prepositional phrase "on the table" modifies the noun "book" and tells us which book.)

* Adverb Phrases: These prepositional phrases modify verbs, adjectives, or other adverbs, answering questions like "When?", "Where?", "How?", or "Why?".

* Example: "She walked to the store." (The prepositional phrase "to the store" modifies the verb "walked" and tells us where she walked.)

Here's a simple way to remember:

* Adjective phrases act like adjectives, describing nouns/pronouns.

* Adverb phrases act like adverbs, describing verbs, adjectives, or other adverbs.