Sentence Fragments

Once you know what a complete sentence needs, spotting an incomplete one becomes much easier. Fragments are one of the most common errors the editing questions ask you to fix, and they hide inside writing that otherwise looks polished.

A sentence fragment is a group of words that is punctuated like a sentence — capital letter, period — but is missing a subject, a verb, or a complete thought. Because it cannot stand on its own, a fragment leaves the reader waiting for the rest of the idea.

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How to Spot a Fragment

Read the group of words by itself and ask whether it expresses a finished thought. If your ear waits for more, you likely have a fragment. Some fragments are missing a verb: The students in the front row. Who did what? Nothing happens, so it is incomplete. Others are missing a subject: Ran across the field at recess. Who ran? We are not told. The trickiest fragments have both a subject and a verb but begin with a word like “because,” “which,” or “after”: After the movie ended. That word turns a complete thought into a dependent clause left dangling. Whenever a sentence opens with such a word, check that a main idea follows it. Training your ear to notice that unfinished feeling is the whole skill.

Four Ways to Fix a Fragment

Most fragments have a simple repair. You can add the missing piece, or you can attach the fragment to a nearby sentence. Wrong: Because the bus was late. We missed the first class. The first “sentence” is a fragment. Corrected by joining: Because the bus was late, we missed the first class. Wrong: The runners at the starting line. Corrected by adding a verb: The runners at the starting line stretched and waited. Wrong: Walked to the store for milk. Corrected by adding a subject: My brother walked to the store for milk. When you see two short pieces near each other, ask whether one is really the finish of the other — often the cleanest fix is simply combining them.

Watch: A Short Video Lesson

Khan Academy gives a clear overview to go with this lesson:

A Routine for Fixing Fragments

1. Read the word group alone and ask if the thought is finished.
2. Check for a subject and a verb.
3. Watch for openers like “because,” “which,” or “after.”
4. Fix it by adding the missing part or joining it to a full sentence.

Practice

1. What is a sentence fragment?
2. Is “The dog in the yard” a fragment? Why?
3. Is “While we waited” a fragment? Why?
4. Name one way to fix a fragment.
5. Fix this: “Ran to catch the train.”
6. Fix this: “Although it was raining.”

Answers

1. A word group punctuated like a sentence but missing a subject, verb, or complete thought.
2. Yes — it has no verb, so nothing happens.
3. Yes — “while” leaves the thought unfinished.
4. Add the missing part, or join it to a nearby sentence.
5. Add a subject: “She ran to catch the train.”
6. Add a main clause: “Although it was raining, we kept walking.”

Where This Fits in Your RLA Prep

Fragments build directly on complete sentences and clauses, and their opposite problem appears in run-ons and comma splices. See every topic on the Language Arts Prep Hub.

Recommended Prep Books

Keep building momentum with a full study guide and practice tests:

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