Prepositions & Prepositional Phrases: Fifth Grade English Student Guide

Prepositions establish relationships of space, time, and direction between words, weaving sentences together into rich tapestries of context and location.

Understanding Prepositions and Their Objects

A preposition is a word that shows the relationship between a noun or pronoun (called the object of the preposition) and another word in the sentence. Common prepositions include in, on, at, by, for, with, about, against, between, through, over, under, and without.

+--------------------------------------------------------------+
|              ANATOMY OF A PREPOSITIONAL PHRASE               |
|                                                              |
|   [ PREPOSITION ] + [ MODIFIERS ] + [ OBJECT OF PREP ]       |
|                                                              |
|        Through           the dense          forest           |
|        (Prep)           (Modifiers)      (Noun Object)       |
+--------------------------------------------------------------+

The Object of the Preposition

The object of the preposition is always a noun, a pronoun, or a noun phrase. When a personal pronoun serves as the object of a preposition, it must always be in the objective case: me, him, her, us, or them. You must write "between you and me," never "between you and I."

Functions of Prepositional Phrases: Adjectival Versus Adverbial

Prepositional phrases do not exist in isolation; they function as either adjectives modifying nouns or as adverbs modifying verbs, adjectives, or adverbs.

+--------------------------------------------------------------+
|             ADJECTIVE PHRASE VS. ADVERB PHRASE               |
+--------------------------------------------------------------+
| ADJECTIVE PHRASE (Modifies Noun / Pronoun):                  |
| Answers: Which one? What kind?                               |
| "The cabin [by the waterfall] needs repair."                 |
| (Tells WHICH cabin -> modifying the noun "cabin")            |
+--------------------------------------------------------------+
| ADVERB PHRASE (Modifies Verb / Adjective / Adverb):          |
| Answers: When? Where? How? Why?                              |
| "The eagle nested [on the sheer cliff]."                     |
| (Tells WHERE it nested -> modifying the verb "nested")       |
+--------------------------------------------------------------+

Adjective Prepositional Phrases

An adjective prepositional phrase almost always follows immediately after the noun it modifies. In the sentence, "The box of old photographs fell," the phrase "of old photographs" tells which box, functioning as an adjective modifying "box."

Adverb Prepositional Phrases

An adverb prepositional phrase explains the circumstances of an action: when, where, why, or how it occurred. In the sentence, "During the blizzard, the herd gathered in the valley," the phrase "During the blizzard" tells when, and "in the valley" tells where, both modifying the verb "gathered."

Beware the Misplaced Prepositional Phrase

Because prepositional phrases modify specific words, placing them in the wrong position can produce hilarious or nonsensical meanings.

+--------------------------------------------------------------+
|                  MISPLACED PHRASE CORRECTION                 |
+--------------------------------------------------------------+
| MISPLACED: Maya saw a raccoon on her way to school [with a   |
|            striped tail].                                    |
| (Did the school or Maya have a striped tail?)                |
+--------------------------------------------------------------+
| REVISED: On her way to school, Maya saw a raccoon [with a    |
|          striped tail].                                      |
| (The phrase directly modifies the noun "raccoon").           |
+--------------------------------------------------------------+

Exercises and Solutions

Exercise 1: Identifying and Classifying Prepositional Phrases. In each of the following sentences, identify the prepositional phrase, name the preposition and its object, and state whether the phrase functions as an adjective or an adverb: Sentence A: "The astronomer peered through the brass eyepiece." Sentence B: "The map on the parchment wall showed hidden tunnels."

Solution 1: In Sentence A, the phrase is "through the brass eyepiece." The preposition is "through" and its object is "eyepiece." The phrase functions as an adverb phrase answering where the astronomer peered (modifying the verb "peered"). In Sentence B, the phrase is "on the parchment wall." The preposition is "on" and its object is "wall." The phrase functions as an adjective phrase answering which map (modifying the noun "map").

Exercise 2: Fixing Misplaced Phrases. Rewrite the following sentence so that the misplaced prepositional phrase modifies the correct noun: "The archaeologist examined the pottery shard from the excavation pit with blue geometric patterns."

Solution 2: In the original sentence, the phrase "with blue geometric patterns" mistakenly appears to modify "pit." A clear revision places the phrase next to the shard: "The archaeologist examined the pottery shard with blue geometric patterns from the excavation pit."