Change Y to I Rule Worksheet

Change Y to I Rule

Read the instructions for each section carefully and answer all questions.

The 'Change Y to I' Rule helps us spell words correctly when we add a suffix. When a word ends in a consonant followed by 'y', we usually change the 'y' to 'i' before adding a suffix like -es, -ed, or -er. For example, 'party' becomes 'parties'. If a word ends in a vowel followed by 'y', we just add the suffix without changing the 'y'. For example, 'play' becomes 'plays'.

1. When a word ends in a   followed by 'y', we change the 'y' to 'i' before adding a suffix.

2. If a word ends in a   followed by 'y', we simply add the suffix.

3. The word 'baby' becomes   when we make it plural.

4. The word 'study' becomes   when we add '-ed' to make it past tense.

Match each singular word on the left with its correct plural form on the right.

1. Which word correctly uses the 'Change Y to I' rule when adding '-es'?

2. Which word does NOT follow the 'Change Y to I' rule when adding '-ed'?

1. Explain in your own words when you should change 'y' to 'i' when adding a suffix. Give an example.

Use the words below to complete the sentences, applying the 'Change Y to I' rule where needed.

1. The bird   high in the sky.

2. My mom always   about me when I'm out late.

3. We read many exciting   in class.

4. She felt very   after winning the game.