New York State Learning Standards and Core Curriculum
NY.3L. 3rd Grade Language Standards
Conventions of Standard English
3L1. Demonstrate command of the conventions of Standard English grammar and usage when writing or speaking. Core Conventions Skills for Grades 3→5:
3L1.5. Form and use regular and irregular plural nouns.
3L1.8. Form and use the simple verb tenses (e.g., I walked; I walk; I will walk).