Forming Irregular Plural Nouns by Sound

This lesson teaches how to form irregular plural nouns by checking if they sound correct in sentences. It covers common mistakes, such as adding -s or -es incorrectly, and provides rules and examples for forming irregular plurals. The lesson emphasizes using sound as a guide to determine the correct plural form, highlighting that some nouns do not change spelling, while others change significantly.

What happens to singular nouns that end in -f or -fe when forming the plural?

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Provide an example of a singular noun that changes its spelling to form the plural.

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