A run-on sentence is a common error caused by merging two sentences without suitable punctuation. The most common run-on sentence is the "comma splice" (also known as the "comma fault"), which …

A sentence fragment does not include one or more of the necessary elements to make a full sentence, whereas a run-on sentence has too many elements in one sentence.

Learn what a run-on sentence is, see clear examples, and discover simple ways to fix and avoid run-on sentences in your writing.

What is a run-on sentence? A run-on sentence occurs when at least two independent clauses are pushed together without proper punctuation or conjunctions.

Run-ons, comma splices, and fused sentences are all names given to compound sentences that are not punctuated correctly. The best way to avoid such errors is to punctuate compound sentences …

A run-on sentence occurs when two or more independent clauses (sentences that can stand alone) are joined incorrectly—often without the proper punctuation or conjunction.

Discovering run-on sentences in your writing demands vigilance. Look for sentences that seem too long or complex. If a sentence contains more than one independent clause but lacks proper punctuation …

A run-on sentence is two or more independent clauses incorrectly presented in a single sentence. This can be highly distracting to readers and prevent the writer from successfully communicating key …

Run-ons are a sign that a learner hasn’t fully mastered sentence boundaries—one of the core elements of grammar. By fixing these errors, students improve not just grammar but also fluency, confidence, …

What is a run-on sentence? A run-on sentence occurs when two or more independent clauses are joined incorrectly, often without proper punctuation or conjunctions.