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:
3L1.2. Explain the function of nouns, pronouns, verbs, adjectives, and adverbs in general as well as in particular sentences.
3L1.5. Form and use regular and irregular plural nouns.
3L2. Demonstrate command of the conventions of Standard English capitalization, punctuation, and spelling when writing. Core Punctuation and Spelling Skills for Grades 3→5:
3L2.8. Form and use possessives.