Fill-in Plural Forms Answer Key

In this worksheet, students complete a chart by writing the correct plural forms of various irregular nouns. Examples include singular words like “basis,” “datum,” “genus,” and “criterion.” The activity challenges learners to apply knowledge of nonstandard pluralization patterns that often derive from Latin, Greek, or French origins. By filling in the missing plural forms, students strengthen their morphological awareness and spelling accuracy. This task promotes grammatical understanding and helps learners recognize patterns within complex noun forms encountered in academic contexts.

Curriculum Matched Skills

English Language Arts – Grammar: Irregular Noun Plurals

English Language Arts – Word Structure and Morphology

English Language Arts – Vocabulary and Spelling Accuracy

English Language Arts – Academic Language Development

This worksheet is part of our Irregular Plural Nouns collection.