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Apostrophes Form a Narrow Class of Plurals

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  Ed Good  —  Grammar Tips
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Use "apostrophe ‑s" to form plurals only when absolutely necessary. Use just an ‑s (or ‑es) to form the plurals of dates, acronyms, and families:

She longed for the 1960s. The investors contributed to their IRAs. The Elmores came for dinner.

But:

Be sure to dot your i's and cross your t's. Here are the do's and don'ts.

 

Previous: Apostrophes Form Contractions

Next: Chapter 12 - Quotation Marks

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