Khan Academy
Khan Academy: Irregular Plural Nouns: F to Ves
Identify and use plural nouns whose endings switch from 'f' to 'ves.'
Khan Academy
Khan Academy: Irregular Plural Nouns: Foreign Plurals
Identify nouns borrowed from other languages and their plural forms!
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Your Dictionary: 5th Grade Grammar
This article focuses on the grammar learned in the 5th grade including writing narrative paragraphs, homonyms, synonyms, and irregular plurals.