Absolute and participial phrases are essential elements of English grammar, adding depth and clarity to writing. While they may appear similar at first glance, they serve different functions within a sentence. A clear understanding of these structures not only enhances reading comprehension but also improves sentence variety and fluency in writing.
Participial phrases (also called participial clauses) are groups of words that begin with a participle (the -ing form of a verb for present participles, or the -ed/ -en form for past participles) and function as adjectives in a sentence.
In simpler terms, a participial phrase adds description to a noun or pronoun. It doesn't have its own new subject; instead, it refers to an existing noun in the main clause (usually the subject).
Because participial phrases act like adjectives, they must be placed next to the noun they describe. Often, they come at the beginning of a sentence, describing the subject. They can also come after the noun they modify or at the end of a sentence, as long as it's clear which noun they're describing.
Examples of Participial Phrases:
In each case, the participial phrase gives more information about a noun. If you removed the participial phrase, the core sentence still stands (just less descriptive).
One of the biggest challenges with participial phrases is avoiding the dreaded dangling participle (also known as a dangling modifier). This error happens when the participial phrase doesn't clearly attach to the right noun, often because the intended noun isn't actually in the sentence or isn't placed immediately after the phrase.
For instance, look at this faulty sentence:
The way this is written, the participial phrase "Driving to school" is describing "the rain" – which doesn't make sense (rain can't drive). The intended meaning was likely that I was driving. To fix it, the subject should be the driver:
Rule of thumb: The noun that the participial phrase describes should immediately follow the comma
If not, your reader might get confused or amused by a dangling modifier. Some unintentionally funny examples:
Now let's talk about absolute phrases (also known as absolute constructions or nominative absolutes). An absolute phrase is a group of words that consists of a noun or pronoun + a modifier, usually a participle or adjective, with no conjunction connecting it to the rest of the sentence.
Absolute phrases do not act as a typical part of speech (not directly as an adjective, adverb, etc. to a single word); instead, they add information to the whole sentence or situation.
In plainer language, an absolute phrase is like a sentence fragment that provides extra context. It often looks like a full sentence with the verb "to be" missing. Because of this, an absolute phrase can often be transformed into a full clause by adding a form of "to be" (was, were). Absolute phrases are always set off by commas (or dashes) because they are parenthetical – they are attached to a sentence but not grammatically integrated into it.
Examples of Absolute Phrases:
In each case, the absolute phrase provides extra information: a condition, a detail, or a background circumstance under which the main action occurs. It often answers questions like when, why, or how something in the main clause happened. For example, "Her coat flapping in the wind, Amy shivered." Why did Amy shiver? Perhaps because her coat was flapping in the cold wind (implying it's windy/chilly).
While a classic absolute phrase is often noun + participle (+ modifiers), there are other configurations possible (which sometimes confuses students). Essentially, any noun + descriptive phrase that doesn't directly tie into the main sentence can function as an absolute. For example:
A helpful way to understand absolute phrases is to see them as zooming in on a detail or setting a scene. One English teacher explains to students that some absolute phrases "zoom in" on part of a noun in the main clause.
For example, "The men, huge bags piled on their backs, walked with labored steps." The absolute phrase zooms in on what the men are carrying (huge bags on their backs), providing a vivid detail. Other absolute phrases give a more general background for the entire sentence.
You can think of an absolute phrase as a mini-sentence that's been attached to the main sentence. It doesn't modify a specific single word in the main clause, it modifies (or adds to) the entire clause.
In fact, one way people remember the term "absolute" is that it has "absolutely" no direct grammatical connection (like conjunction or dependency) to the rest of the sentence. (In reality, the absolute phrase does relate in meaning to the main clause – it's not random; but grammatically it stands apart.)
If at the beginning of a sentence, put a comma after the phrase. If in the middle of a sentence, put a comma before and after. If at the end, put a comma before the phrase. For example:
By now you might notice some overlap between participial and absolute phrases – they both can involve -ing or -ed verbs and add description. But they serve different roles in a sentence.
Here's a handy comparison table to summarize:
Feature | Participial Phrase | Absolute Phrase |
---|---|---|
Contains its own subject? | No. It has no new subject; it refers to an existing noun in the main clause. The phrase often begins directly with a participle (e.g. Running down the street,…). | Yes. It has a noun or pronoun at its start – the thing being described in that phrase. That noun is often not repeated as a noun in the main clause (though it might correspond to something there, like a pronoun referring back). |
Grammatical structure | Participle + objects/modifiers, forming an adjective phrase. It must attach to a noun in the sentence (usually right next to it). It's essentially a descriptive clause without a conjunction. | Noun/pronoun + participle (or adjective/phrase) + modifiers. It often looks like a clause missing "to be." It's grammatically independent – not joined by conjunction, not inserted into main clause grammar. |
Function | Acts as an adjective, describing or clarifying a noun or pronoun in the sentence. Provides extra detail about that noun (what it's doing, what it's like, etc.). | Modifies the whole sentence/clause, or provides a background condition/reason. It does not function as an adjective for a single word nor as a main clause element. Think of it as giving a side-note about the circumstances. |
Punctuation | If at the beginning of a sentence, set it off with a comma after the phrase. If in the middle or end and it's non-essential, use a comma(s) as well. (Essential ones aren't set off by commas.) The participial phrase should be adjacent to the noun it modifies to avoid dangling. | Always separated by a comma or a pair of commas. (or sometimes a dash) because it's a parenthetical element. If it opens the sentence, put a comma after it. If it interrupts or ends the sentence, use a comma before (and after, if in middle). |
Relation to main clause | Directly tied to a noun in main clause (should directly precede or follow that noun). It's part of the same clause in terms of meaning (though set off by punctuation if non-essential). Removing it leaves a complete sentence. | No direct grammatical tie (hence "absolute"). Often expresses cause, time, or condition relative to main clause. The main clause + absolute phrase are logically related, but the absolute is not a required part of the grammar of the main clause. Removing it leaves the main clause intact and doesn't break grammar. |
Simple example | Participial: Hoping for a treat, the dog sat patiently. – "Hoping for a treat" describes the dog (no separate subject in phrase; "dog" is doing the hoping). | Absolute: The dog sat patiently, its eyes focused on the biscuit. – "its eyes focused on the biscuit" has its own noun "eyes." (Implied: its eyes were focused on the biscuit.) It adds context to how the dog sat. |
By checking for a noun at the start of the phrase and seeing what the phrase is doing, you can quickly tell which type you're dealing with. If there's an explicit noun + participle combo, it's likely an absolute phrase; if it starts with a participle describing a noun in the main clause, it's participial. As one educator nicely put it: an absolute phrase is basically like a participial phrase, but with the word it's modifying included at the beginning of the phrase.
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