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What Are Plural Nouns? Rules and Examples - Grammarly
Plural Nouns – Rules, List of Examples - GRAMMARIST
Plural Nouns in English – Regular and Irregular
What Is a Plural Noun? | Examples, Rules & Exceptions - Scribbr
Nouns: singular and plural - Grammar - Cambridge Dictionary
Understanding Plural Nouns: How To Form Them - LanguageTool
Grammar Lessons: English Plural Nouns (Definition, Rules, And ...