Fused Sentences (Also Called Run On Sentences)

Sentences that contain two complete ideas, joined only with a comma or joined with no punctuation at all, are punctuated incorrectly in standard American English.

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Fused Sentences (Also Called Run-on Sentences) Supplemental Worksheet 1, Fused Sentences Exercises

The first worksheet provides an explanation of fused sentences, along with directions on correcting them. The supplemental worksheets provide exercises, with ample space for students to write out the answers in complete sentences. If you would like the suggested answers and teaching tips, please email me.

A fused sentence occurs when two independent clauses are joined (fused) without any punctuation.

Some handbooks and teachers use the term “run-on sentence” to refer both to fused sentences and comma splices. Some students think that a run-on sentence is a particularly long sentence, one that “runs on” for a while. It’s not.

A comma splice (http://www.grammar-worksheets.com/comma.splice.htm), occurs when two independent clauses are joined only with a comma. I prefer to avoid the term run-on sentence altogether and use only the terms comma splice and fused sentence. They are more specific and more descriptive.

Example of a fused sentence: My father designs and installs wind turbines he travels all over the United States as an energy consultant.

Notice that we have two ideas in two independent clauses:

Fixing a Fused Sentence

For a more detailed explanation and exercises in correcting fused sentences, download the free worksheet. The worksheet is in PDF format.

The front page tells the student what a fused sentence is and how to correct it. The second page consists of sentences that the student must correct. There is space provided below each sentence, so that the student actually has to write out the sentence, rather than merely identifying an error.

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