Apostrophe Rules–A Quick Guide | Grammarly
2019-12-9 · Rules for the correct use of the apostrophe. In UK and US English, the apostrophe is used: To indicate the possessive. To indicate missing letters. Sometimes to indicate the structure of unusual words. 1. To indicate the possessive. This is Peter's book. This is Charles's book. This book is Peter's. The dog's dinner looks disgusting.
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