1. Here is another chance for you to try out your new rule for spelling plural nouns. Add either −s or -es to each singular noun. Be sure to show any changes:
= Plural Noun
family + i
2. You've seen that <y> changes to <i> when you add the suffix -es to singular nouns that end in a <y> with a consonant right in front of it. A <y> with a consonant in front of it changes to <i> also when you add the suffixes -ed or -er or -est.
3. Watch for all kinds of changes when you combine the following words and suffixes to make new words: