1. Adverbial Prepositional Phrases:

   • Adverbial prepositional phrases modify verbs, adjectives, or adverbs, providing information about time, place, manner, cause, condition, or purpose.
   • Examples:
     • "He ran in the park." (modifies the verb "ran" to indicate where he ran)
     • "She spoke with confidence." (modifies the verb "spoke" to indicate how she spoke)
     • "They drove through the tunnel." (modifies the verb "drove" to indicate the route)

2. Adjectival Prepositional Phrases:

   • Adjectival prepositional phrases modify nouns, pronouns, or noun phrases, providing additional information or describing the noun.
   • Examples:
     • "The book on the table is mine." (modifies the noun "book" to indicate its location)
     • "The girl with the blue dress is my sister." (modifies the noun phrase "girl" to describe her appearance)
     • "The house across the street is for sale." (modifies the noun "house" to indicate its position)

It's important to note that prepositional phrases can sometimes be omitted without changing the basic meaning of a sentence. However, including them adds detail, specificity, and clarity to the sentence. Understanding the adverbial and adjectival functions of prepositional phrases will help you use them effectively in your writing and communication to provide additional information and enhance the meaning of your sentences.