Arkansas Curriculum Frameworks
AR.L.2. Grade 2 Language Standards
Conventions of Standard English
L.2.1. Demonstrate command of the conventions of standard English grammar and usage as appropriate for Grade 2 when writing or speaking.
L.2.1.B. Form and use frequently occurring irregular plural nouns (e.g., feet, children, teeth, mice, fish) and collective nouns (e.g., group).