Incorrect: two childrens' hats The plural is children, not childrens. Historical development[ edit ] The apostrophe was first used by Pietro Bembo in his edition of De Aetna Lisa's room is always clean while Ross's room is always messy. Use contractions with apostrophes more in informal writing contexts which simulate spoken language, such as letters to friends and postcards, or when writing dialogs.
For example, it is not common to write 'bus for omnibus'phone telephone'net Internet. Note: If the singular owner already ends with s, you can either add 's or only an apostrophe. Williams's dog ate Chris's writing assignment. The plural use was greatly reduced, but a need was felt to mark possessive plural.
Rule 5. Otherwise could look like Os and Is. At WhiteSmoke, we prefer the first option but if you chose otherwise, you must be consistent with the option you choose Mr.
The homes belong to both of them. Amy's ballet class, Lisa's car, Robert's car, Ross's room, Ross's sports teams Yes, even if the name ends in "s," it's still correct to add another "'s" to create the possessive form.
For instance, a picture of her and Cesar's house could refer to a photo of "her" in front of the house that Cesar owns or a photo of the house that she and Cesar co-own. Add 's to singular nouns to show they are the "owners.