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Exercise : Run-ons, Comma Splices, and Fused Sentences

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 correctly by using one or the other of these rules.

Join the two independent clauses with one of the coordinating conjunctions (and, but, for, or, nor, so, yet), and use a comma before the connecting word.

_________________________, and _________________________.

1. He enjoys walking through the country. He often goes backpacking on his vacations.

When you do not have a connecting word (or when you use a connecting word other than and, but, for, or nor, so, or yet between the two independent clauses) use a semicolon (;).

__________________________;_____________________________.

2. He often watched TV when there were only reruns. She preferred to read instead.

or

__________________________; however,____________________.

So, run-ons and fused sentences are terms describing two independent clauses that are joined together with no connecting word or punctuation to separate the clauses. The following sentences are both examples that are missing the connecting words and/or the appropriate punctuation.

3. They weren't dangerous criminals they were detectives in disguise.
4. I didn't know which job I wanted I was too confused to decide.
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Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.