Reading & WritingStandard English ConventionsHigh frequency

SAT Reading & Writing: Semicolons vs. Colons in Application

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What you need to know

The concept, explained

  • 1

    Both a semicolon and a colon require a COMPLETE, independent clause before them. (You must be able to put a period there instead).

  • 2

    The difference lies in what comes after.

  • 3

    Semicolon (;): The text after it must ALSO be a complete independent clause. It connects two related sentences.

  • 4

    Colon (:): The text after it can be a single word, a list, a fragment, or a full sentence, as long as it elaborates on or answers the first clause.

Common mistakes
  • Using a colon without a complete sentence before it (e.g., "His favorite colors are: red, blue, green" is INCORRECT).
  • Using a semicolon before a fragment (e.g., "The team needs two things; time and money" is INCORRECT).
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SAT-style practice

The chef gave his new apprentices one piece of indispensable advice _____ never compromise on the freshness of ingredients.

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