A prepositional phrase is a grammatical construct that consists of a preposition, its object, and any modifiers that may be associated with it. Prepositional phrases are used to indicate relationships between nouns, pronouns, and other elements in a sentence. The preposition shows the spatial, temporal, or logical relationship between the object of the preposition and the rest of the sentence. Prepositional phrases often provide additional information about location, direction, time, manner, purpose, and more.

Here are examples of prepositional phrases in different contexts:

1. Location:

• The cat is on the roof. ("on the roof" indicates the location of the cat)
• The book is under the table. ("under the table" specifies where the book is located)

2. Direction:

• She walked across the bridge. ("across the bridge" indicates the direction of her walk)
• The bird flew into the sky. ("into the sky" shows the direction of the bird's flight)

3. Time:

• They will meet us after lunch. ("after lunch" specifies when they will meet)
• The concert starts at 7 PM. ("at 7 PM" indicates the time the concert begins)

4. Manner:

• She completed the assignment with great enthusiasm. ("with great enthusiasm" describes how she completed the assignment)
• He solved the puzzle using his analytical skills. ("using his analytical skills" explains how he solved the puzzle)

5. Purpose:

• He went to the store for some groceries. ("for some groceries" indicates the purpose of his visit)
• She bought a new dress for the party. ("for the party" specifies the reason for buying the dress)

6. Possession:

• The key to success is hard work. ("to success" indicates what the key belongs to)
• She borrowed a pen from her friend. ("from her friend" shows the source of the borrowed pen)