apostrophe usage after s
Apostrophes. Rule 1a. Use the apostrophe to show possession. To show possession with a singular noun, add an apostrophe plus the letter s. Examples: a woman's hat the boss's wife Mrs. Chang's house. Rule 1b.Many common nouns end in the letter s (lens, cactus, bus, etc.).ule 2a. Regular nouns are nouns that form their plurals by adding either the letter s or-es (guy, guys; letter, letters; actress, actresses; etc.). To show plural possession, simply put an apostrophe after the s.