Run-on

A run-on is a sentence error where two or more sentences are joined together without a punctuation. This type of error is sometimes called a fused sentence.

(a) Fused Sentence

Example:

  • A doctor’s job is difficult he has to be in the hospital for 24-hours when he is on call. (X)
    A doctor’s job is difficult. He has to be in the hospital for 24-hours when he is on call. (√)

In order to identify the mistake, you have to look for a complete sentence first. Then only you fit in the punctuation marks. In the example above, “A doctor’s job is difficult” is a complete sentence – it follows the sentence pattern rules.

(b) Comma Splice

Another type of run-on error is called comma splice. In a comma splice, two or more sentences are connected with a comma but without a coordinating conjunction.

Example:

  • John promised to come on time, he actually did. (X)
    John promised to come on time, and he actually did. (√)

In a comma splice, you need to look for the complete sentence, too. You then add the coordinating conjunction after the comma. In the above example, “John promised to come on time” is a complete sentence.

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Posted on July 17, 2009, in Sentences and tagged , , . Bookmark the permalink. Leave a comment.

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