Final answer:
The plural rules for adding 's', 'es', and 'ies' depend on the ending of the word.
Step-by-step explanation:
The plural rules for adding 's', 'es', and 'ies' depend on the ending of the word. Here are the rules:
- Add 's' to the end of words that do not end in -s, like child → children.
- Add 'es' to the end of words that end in -s, -x, -z, -ch, or -sh, like box → boxes.
- Change 'y' to 'ies' at the end of words that end in a consonant followed by 'y', like baby → babies.