Possessives: Singular Nouns Mini-Lesson #91 Possessive markers substitute for a preposition such as “of” or “for.” The apostrophe: Use an apostrophe and -s to show the possessive form of a singular noun that does not end in -s. Charlie’s angels (the angels of Charlie) today’s newspaper (the newspaper for today) Use an apostrophe and “-s” to show the possessive form of singular nouns ending in “-s” if the consecutive “-s” sounds do not sound awkward when the word is pronounced. the witness’s testimony the waitress’s tip the boss’s desk If pronouncing the possessive ending as a separate syllable sounds awkward, use just an apostrophe. The Everglades’ mysteries Dr. Woods’ office Jesus’ name