Table of Contents
Please take the following quiz about the apostrophe rules after “s” to check your understanding of how to spell the apostrophe and “s.”
Introduction
Welcome to the Apostrophe Rules After S Quiz! Understanding how to use apostrophes correctly is essential for clear and effective writing. This quiz will challenge your knowledge of the possessive forms of nouns ending in ‘s,’ ‘z,’ and ‘x.’
Test your skills and see how well you grasp these important grammar rules.
Apostrophe Rules After S Quiz
Instructions
- Read each question carefully and choose the correct possessive form of the noun provided.
- Select your answer by clicking on the appropriate option.
- At the end of the quiz, review your results to see how you did!
- If you’re unsure about the answers, you can refer to the summary of the rules below for a quick review.
The Quiz

Summary of Apostrophe Rules After S
- Singular Proper Nouns Ending in S, Z, or X:
- Depending on the style guide, you can add an apostrophe and an s (e.g., James’s book) or just an apostrophe (e.g., James’ book).
- Plural Proper Nouns:
- For plural names (e.g., the Joneses), add only an apostrophe (e.g., the Joneses’ house).
- Biblical and Classical Names:
- For names like Jesus or Socrates, use only an apostrophe (e.g., Jesus’ love, Socrates’ wisdom).
- General Rule for Nouns:
- For regular nouns not ending in s, add an apostrophe and s (e.g., the dog’s bone).
More on the Possessive Case