Prepositional phrases are among the most common constructions in English. Nearly every sentence you write or speak contains at least one. A prepositional phrase consists of a preposition, its object, and any modifiers of that object. These phrases function primarily as adjectives or adverbs, adding essential detail about location, time, manner, direction, and more. This comprehensive guide covers the structure of prepositional phrases, their various functions, common prepositions, and strategies for using them effectively in your writing.
Table of Contents
Structure of a Prepositional Phrase
Every prepositional phrase has two required components and one optional component:
- Preposition — the word that begins the phrase (in, on, at, by, with, etc.)
- Object of the preposition — a noun, pronoun, gerund, or noun clause that follows the preposition
- Modifiers (optional) — adjectives, adverbs, or other words that modify the object
"on the table" — preposition: on; object: table; modifier: the
"with great enthusiasm" — preposition: with; object: enthusiasm; modifier: great
"during the extremely long meeting" — preposition: during; object: meeting; modifiers: the, extremely, long
Common Prepositions
English has approximately 150 prepositions. Here are the most frequently used, organized by category:
| Category | Prepositions |
|---|---|
| Place/Location | in, on, at, above, below, between, among, beside, behind, in front of, near, next to, inside, outside, under, over, beneath, across, through |
| Time | in, on, at, before, after, during, since, until, by, from...to, throughout |
| Direction/Movement | to, from, into, out of, toward, through, across, along, past, up, down, around |
| Manner/Means | by, with, without, like, as |
| Cause/Purpose | for, because of, due to, on account of |
| Other Relationships | of, about, concerning, regarding, despite, except, instead of, according to |
Prepositional Phrases as Adjectives
When a prepositional phrase modifies a noun or pronoun, it functions as an adjective. Adjective prepositional phrases usually follow the noun they modify and answer questions like "which one?" or "what kind?"
"The book on the shelf is mine." (Which book? The one on the shelf.)
"The woman in the red dress waved." (Which woman?)
"A house with a large garden would be ideal." (What kind of house?)
"The students from Japan arrived yesterday." (Which students?)
"She ordered a cup of coffee." (What kind of cup?)
Prepositional Phrases as Adverbs
When a prepositional phrase modifies a verb, adjective, or adverb, it functions as an adverb. Adverb prepositional phrases answer questions like "when?" "where?" "how?" "why?" and "to what extent?"
"She ran through the park." (Where? — modifies "ran")
"The meeting starts at noon." (When? — modifies "starts")
"He spoke with confidence." (How? — modifies "spoke")
"We left because of the rain." (Why? — modifies "left")
"She is talented beyond measure." (To what extent? — modifies "talented")
Relationships Expressed by Prepositions
Location and Position
"The cat is under the table." / "The painting hangs above the fireplace."
"She sat between her parents." / "The store is across the street."
Time
"The meeting is at 3 p.m." / "She was born in 1990."
"We arrived before sunset." / "He worked until midnight."
Direction and Movement
"She walked toward the station." / "The river flows through the valley."
"He jumped into the pool." / "They drove along the coast."
Manner and Means
"She painted with watercolors." / "He traveled by train."
"They solved the problem without any help."
Cause and Purpose
"The game was canceled because of rain."
"She exercises for her health."
Compound Prepositions
Compound prepositions consist of two or more words functioning as a single preposition:
- according to, because of, in addition to, in front of, in spite of, instead of, on behalf of, on top of, out of, due to, prior to, as well as, along with, apart from, as opposed to, by means of, in accordance with, in case of, in comparison with, in regard to, with respect to
"According to the report, sales increased by 15%."
"She succeeded in spite of the challenges."
"In addition to his salary, he receives a bonus."
Multiple Prepositional Phrases
Sentences often contain multiple prepositional phrases, sometimes stacked one after another:
"The cat on the mat in the corner of the room was sleeping."
"She put the flowers in the vase on the table by the window."
While stacking prepositional phrases is grammatically correct, too many in a row can make sentences hard to read. Aim for clarity and consider restructuring if a sentence becomes unwieldy.
Objects of Prepositions
The object of a preposition can be various types of words and phrases:
- Noun: "in the park"
- Pronoun: "with her" (always objective case: me, him, her, us, them)
- Gerund: "by studying hard"
- Noun clause: "about what happened yesterday"
- Noun phrase: "under the old wooden bridge"
Pronoun Case Rule: Always use objective-case pronouns after prepositions: "between you and me" (not "between you and I"), "for him and her" (not "for he and she").
Placement and Clarity
Place prepositional phrases as close as possible to the words they modify. Misplaced prepositional phrases can create unintended meanings:
Misplaced: "She served sandwiches to the guests on paper plates." (Guests on paper plates?)
Clear: "She served sandwiches on paper plates to the guests."
Introductory Prepositional Phrases
When a prepositional phrase begins a sentence, use a comma after it if it's long (generally four or more words) or if needed for clarity:
"After the long and tiring journey, they finally arrived." (comma after long phrase)
"In 2020, the world changed dramatically." (comma for clarity)
"On Monday we start the project." (short phrase, comma optional)
Common Errors
1. Using the Wrong Preposition
Preposition choice in English is often idiomatic and must be memorized:
"interested in" (not "interested on")
"different from" (not "different than" in formal writing)
"arrive at a place" / "arrive in a city/country"
"consist of" (not "consist in")
2. Unnecessary Prepositions
"Where is it at?" → "Where is it?"
"Where are you going to?" → "Where are you going?"
3. Wrong Pronoun Case After Prepositions
Incorrect: "between you and I"
Correct: "between you and me"
Practice Exercises
Identify each prepositional phrase and state whether it functions as an adjective or adverb:
- "The flowers in the garden are blooming."
- "She spoke with great passion."
- "The road to the village is narrow."
- "We arrived before the deadline."
- "The painting above the mantle is priceless."
Answers: 1. "in the garden" — adjective (modifies "flowers"). 2. "with great passion" — adverb (modifies "spoke"). 3. "to the village" — adjective (modifies "road"). 4. "before the deadline" — adverb (modifies "arrived"). 5. "above the mantle" — adjective (modifies "painting").
Key Takeaway: Prepositional phrases are building blocks of English sentences, providing essential information about location, time, manner, and relationships. They function as adjectives (modifying nouns) or adverbs (modifying verbs, adjectives, or adverbs). Place them close to the words they modify, use correct pronoun case after prepositions, and choose prepositions carefully since English preposition usage is highly idiomatic.