Exercise 119. Development

1. You have John's ball.

2. The child's hat was lost.

3. That is my cousin.

4. Your mother is coming.

5. That boy's boat is a canoe.

6. The boys' boat is a canoe.

What part of speech is the word John's? How is it used in the sentence? For what purpose is it added to the noun ball? Like what part of speech is it used?

Answer similar questions about the words child's, my, your, boy's, and boys9. What peculiarity in the form of the nouns do you notice? Why do the last two nouns differ in form?