s apostrophe, genitive s - Englisch-Hilfen
www.englisch-hilfen.de › en › grammarPeter and John's mother is a teacher. If there are multiple nouns that refer to more persons/things – add 's to both nouns. Susan's and Steve's bags are black. 3. Singular names ending in -s. Although it is not considered to be good English, you may add only the apostrophe words ending on unpronounced -s. Charles's dog – Charles' dog